720 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			720 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
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| /*
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|  *  cht-bsw-rt5645.c - ASoc Machine driver for Intel Cherryview-based platforms
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|  *                     Cherrytrail and Braswell, with RT5645 codec.
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|  *
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|  *  Copyright (C) 2015 Intel Corp
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|  *  Author: Fang, Yang A <yang.a.fang@intel.com>
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|  *	        N,Harshapriya <harshapriya.n@intel.com>
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|  *  This file is modified from cht_bsw_rt5672.c
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|  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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|  *
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|  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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|  */
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| 
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| #include <linux/module.h>
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| #include <linux/platform_device.h>
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| #include <linux/acpi.h>
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| #include <linux/clk.h>
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| #include <linux/dmi.h>
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| #include <linux/slab.h>
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| #include <sound/pcm.h>
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| #include <sound/pcm_params.h>
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| #include <sound/soc.h>
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| #include <sound/jack.h>
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| #include <sound/soc-acpi.h>
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| #include "../../codecs/rt5645.h"
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| #include "../atom/sst-atom-controls.h"
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| #include "../common/soc-intel-quirks.h"
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| 
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| #define CHT_PLAT_CLK_3_HZ	19200000
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| #define CHT_CODEC_DAI1	"rt5645-aif1"
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| #define CHT_CODEC_DAI2	"rt5645-aif2"
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| 
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| struct cht_acpi_card {
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| 	char *codec_id;
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| 	int codec_type;
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| 	struct snd_soc_card *soc_card;
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| };
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| 
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| struct cht_mc_private {
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| 	struct snd_soc_jack jack;
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| 	struct cht_acpi_card *acpi_card;
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| 	char codec_name[SND_ACPI_I2C_ID_LEN];
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| 	struct clk *mclk;
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| };
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| 
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| #define CHT_RT5645_MAP(quirk)	((quirk) & GENMASK(7, 0))
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| #define CHT_RT5645_SSP2_AIF2     BIT(16) /* default is using AIF1  */
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| #define CHT_RT5645_SSP0_AIF1     BIT(17)
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| #define CHT_RT5645_SSP0_AIF2     BIT(18)
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| #define CHT_RT5645_PMC_PLT_CLK_0 BIT(19)
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| 
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| static unsigned long cht_rt5645_quirk = 0;
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| 
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| static void log_quirks(struct device *dev)
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| {
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| 	if (cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2)
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| 		dev_info(dev, "quirk SSP2_AIF2 enabled");
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| 	if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1)
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| 		dev_info(dev, "quirk SSP0_AIF1 enabled");
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| 	if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)
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| 		dev_info(dev, "quirk SSP0_AIF2 enabled");
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| 	if (cht_rt5645_quirk & CHT_RT5645_PMC_PLT_CLK_0)
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| 		dev_info(dev, "quirk PMC_PLT_CLK_0 enabled");
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| }
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| 
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| static int platform_clock_control(struct snd_soc_dapm_widget *w,
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| 		struct snd_kcontrol *k, int  event)
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| {
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| 	struct snd_soc_dapm_context *dapm = w->dapm;
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| 	struct snd_soc_card *card = dapm->card;
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| 	struct snd_soc_dai *codec_dai;
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| 	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
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| 	int ret;
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| 
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| 	codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI1);
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| 	if (!codec_dai)
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| 		codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI2);
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| 
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| 	if (!codec_dai) {
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| 		dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
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| 		return -EIO;
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| 	}
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| 
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| 	if (SND_SOC_DAPM_EVENT_ON(event)) {
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| 		ret = clk_prepare_enable(ctx->mclk);
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| 		if (ret < 0) {
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| 			dev_err(card->dev,
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| 				"could not configure MCLK state");
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| 			return ret;
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| 		}
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| 	} else {
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| 		/* Set codec sysclk source to its internal clock because codec PLL will
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| 		 * be off when idle and MCLK will also be off when codec is
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| 		 * runtime suspended. Codec needs clock for jack detection and button
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| 		 * press. MCLK is turned off with clock framework or ACPI.
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| 		 */
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| 		ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_RCCLK,
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| 					48000 * 512, SND_SOC_CLOCK_IN);
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| 		if (ret < 0) {
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| 			dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
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| 			return ret;
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| 		}
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| 
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| 		clk_disable_unprepare(ctx->mclk);
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
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| 	SND_SOC_DAPM_HP("Headphone", NULL),
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| 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
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| 	SND_SOC_DAPM_MIC("Int Mic", NULL),
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| 	SND_SOC_DAPM_MIC("Int Analog Mic", NULL),
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| 	SND_SOC_DAPM_SPK("Ext Spk", NULL),
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| 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
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| 			platform_clock_control, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
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| };
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| 
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| static const struct snd_soc_dapm_route cht_rt5645_audio_map[] = {
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| 	{"IN1P", NULL, "Headset Mic"},
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| 	{"IN1N", NULL, "Headset Mic"},
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| 	{"DMIC L1", NULL, "Int Mic"},
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| 	{"DMIC R1", NULL, "Int Mic"},
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| 	{"IN2P", NULL, "Int Analog Mic"},
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| 	{"IN2N", NULL, "Int Analog Mic"},
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| 	{"Headphone", NULL, "HPOL"},
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| 	{"Headphone", NULL, "HPOR"},
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| 	{"Ext Spk", NULL, "SPOL"},
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| 	{"Ext Spk", NULL, "SPOR"},
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| 	{"Headphone", NULL, "Platform Clock"},
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| 	{"Headset Mic", NULL, "Platform Clock"},
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| 	{"Int Mic", NULL, "Platform Clock"},
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| 	{"Int Analog Mic", NULL, "Platform Clock"},
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| 	{"Int Analog Mic", NULL, "micbias1"},
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| 	{"Int Analog Mic", NULL, "micbias2"},
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| 	{"Ext Spk", NULL, "Platform Clock"},
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| };
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| 
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| static const struct snd_soc_dapm_route cht_rt5650_audio_map[] = {
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| 	{"IN1P", NULL, "Headset Mic"},
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| 	{"IN1N", NULL, "Headset Mic"},
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| 	{"DMIC L2", NULL, "Int Mic"},
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| 	{"DMIC R2", NULL, "Int Mic"},
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| 	{"Headphone", NULL, "HPOL"},
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| 	{"Headphone", NULL, "HPOR"},
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| 	{"Ext Spk", NULL, "SPOL"},
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| 	{"Ext Spk", NULL, "SPOR"},
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| 	{"Headphone", NULL, "Platform Clock"},
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| 	{"Headset Mic", NULL, "Platform Clock"},
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| 	{"Int Mic", NULL, "Platform Clock"},
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| 	{"Ext Spk", NULL, "Platform Clock"},
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| };
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| 
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| static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif1_map[] = {
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| 	{"AIF1 Playback", NULL, "ssp2 Tx"},
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| 	{"ssp2 Tx", NULL, "codec_out0"},
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| 	{"ssp2 Tx", NULL, "codec_out1"},
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| 	{"codec_in0", NULL, "ssp2 Rx" },
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| 	{"codec_in1", NULL, "ssp2 Rx" },
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| 	{"ssp2 Rx", NULL, "AIF1 Capture"},
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| };
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| 
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| static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif2_map[] = {
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| 	{"AIF2 Playback", NULL, "ssp2 Tx"},
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| 	{"ssp2 Tx", NULL, "codec_out0"},
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| 	{"ssp2 Tx", NULL, "codec_out1"},
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| 	{"codec_in0", NULL, "ssp2 Rx" },
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| 	{"codec_in1", NULL, "ssp2 Rx" },
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| 	{"ssp2 Rx", NULL, "AIF2 Capture"},
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| };
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| 
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| static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif1_map[] = {
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| 	{"AIF1 Playback", NULL, "ssp0 Tx"},
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| 	{"ssp0 Tx", NULL, "modem_out"},
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| 	{"modem_in", NULL, "ssp0 Rx" },
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| 	{"ssp0 Rx", NULL, "AIF1 Capture"},
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| };
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| 
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| static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif2_map[] = {
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| 	{"AIF2 Playback", NULL, "ssp0 Tx"},
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| 	{"ssp0 Tx", NULL, "modem_out"},
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| 	{"modem_in", NULL, "ssp0 Rx" },
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| 	{"ssp0 Rx", NULL, "AIF2 Capture"},
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| };
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| 
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| static const struct snd_kcontrol_new cht_mc_controls[] = {
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| 	SOC_DAPM_PIN_SWITCH("Headphone"),
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| 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
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| 	SOC_DAPM_PIN_SWITCH("Int Mic"),
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| 	SOC_DAPM_PIN_SWITCH("Int Analog Mic"),
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| 	SOC_DAPM_PIN_SWITCH("Ext Spk"),
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| };
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| 
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| static struct snd_soc_jack_pin cht_bsw_jack_pins[] = {
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| 	{
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| 		.pin	= "Headphone",
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| 		.mask	= SND_JACK_HEADPHONE,
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| 	},
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| 	{
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| 		.pin	= "Headset Mic",
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| 		.mask	= SND_JACK_MICROPHONE,
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| 	},
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| };
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| 
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| static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
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| 			     struct snd_pcm_hw_params *params)
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| {
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| 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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| 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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| 	int ret;
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| 
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| 	/* set codec PLL source to the 19.2MHz platform clock (MCLK) */
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| 	ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK,
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| 				  CHT_PLAT_CLK_3_HZ, params_rate(params) * 512);
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| 	if (ret < 0) {
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| 		dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
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| 		return ret;
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| 	}
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| 
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| 	ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,
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| 				params_rate(params) * 512, SND_SOC_CLOCK_IN);
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| 	if (ret < 0) {
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| 		dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
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| 		return ret;
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| static int cht_rt5645_quirk_cb(const struct dmi_system_id *id)
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| {
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| 	cht_rt5645_quirk = (unsigned long)id->driver_data;
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| 	return 1;
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| }
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| 
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| static const struct dmi_system_id cht_rt5645_quirk_table[] = {
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| 	{
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| 		/* Strago family Chromebooks */
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| 		.callback = cht_rt5645_quirk_cb,
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| 		.matches = {
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| 			DMI_MATCH(DMI_PRODUCT_FAMILY, "Intel_Strago"),
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| 		},
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| 		.driver_data = (void *)CHT_RT5645_PMC_PLT_CLK_0,
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| 	},
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| 	{
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| 	},
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| };
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| 
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| static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
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| {
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| 	struct snd_soc_card *card = runtime->card;
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| 	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
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| 	struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
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| 	int jack_type;
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| 	int ret;
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| 
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| 	if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) ||
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| 	    (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
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| 		/* Select clk_i2s2_asrc as ASRC clock source */
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| 		rt5645_sel_asrc_clk_src(component,
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| 					RT5645_DA_STEREO_FILTER |
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| 					RT5645_DA_MONO_L_FILTER |
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| 					RT5645_DA_MONO_R_FILTER |
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| 					RT5645_AD_STEREO_FILTER,
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| 					RT5645_CLK_SEL_I2S2_ASRC);
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| 	} else {
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| 		/* Select clk_i2s1_asrc as ASRC clock source */
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| 		rt5645_sel_asrc_clk_src(component,
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| 					RT5645_DA_STEREO_FILTER |
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| 					RT5645_DA_MONO_L_FILTER |
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| 					RT5645_DA_MONO_R_FILTER |
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| 					RT5645_AD_STEREO_FILTER,
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| 					RT5645_CLK_SEL_I2S1_ASRC);
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| 	}
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| 
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| 	if (cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) {
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| 		ret = snd_soc_dapm_add_routes(&card->dapm,
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| 					cht_rt5645_ssp2_aif2_map,
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| 					ARRAY_SIZE(cht_rt5645_ssp2_aif2_map));
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| 	} else if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) {
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| 		ret = snd_soc_dapm_add_routes(&card->dapm,
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| 					cht_rt5645_ssp0_aif1_map,
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| 					ARRAY_SIZE(cht_rt5645_ssp0_aif1_map));
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| 	} else if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2) {
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| 		ret = snd_soc_dapm_add_routes(&card->dapm,
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| 					cht_rt5645_ssp0_aif2_map,
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| 					ARRAY_SIZE(cht_rt5645_ssp0_aif2_map));
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| 	} else {
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| 		ret = snd_soc_dapm_add_routes(&card->dapm,
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| 					cht_rt5645_ssp2_aif1_map,
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| 					ARRAY_SIZE(cht_rt5645_ssp2_aif1_map));
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| 	}
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| 	if (ret)
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| 		return ret;
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| 
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| 	if (ctx->acpi_card->codec_type == CODEC_TYPE_RT5650)
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| 		jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
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| 					SND_JACK_BTN_0 | SND_JACK_BTN_1 |
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| 					SND_JACK_BTN_2 | SND_JACK_BTN_3;
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| 	else
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| 		jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
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| 
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| 	ret = snd_soc_card_jack_new_pins(runtime->card, "Headset", jack_type,
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| 					 &ctx->jack, cht_bsw_jack_pins,
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| 					 ARRAY_SIZE(cht_bsw_jack_pins));
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| 	if (ret) {
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| 		dev_err(runtime->dev, "Headset jack creation failed %d\n", ret);
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| 		return ret;
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| 	}
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| 
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| 	rt5645_set_jack_detect(component, &ctx->jack, &ctx->jack, &ctx->jack);
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| 
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| 
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| 	/*
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| 	 * The firmware might enable the clock at
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| 	 * boot (this information may or may not
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| 	 * be reflected in the enable clock register).
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| 	 * To change the rate we must disable the clock
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| 	 * first to cover these cases. Due to common
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| 	 * clock framework restrictions that do not allow
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| 	 * to disable a clock that has not been enabled,
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| 	 * we need to enable the clock first.
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| 	 */
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| 	ret = clk_prepare_enable(ctx->mclk);
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| 	if (!ret)
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| 		clk_disable_unprepare(ctx->mclk);
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| 
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| 	ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);
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| 
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| 	if (ret)
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| 		dev_err(runtime->dev, "unable to set MCLK rate\n");
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| 
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| 	return ret;
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| }
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| 
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| static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
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| 			    struct snd_pcm_hw_params *params)
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| {
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| 	int ret;
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| 	struct snd_interval *rate = hw_param_interval(params,
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| 			SNDRV_PCM_HW_PARAM_RATE);
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| 	struct snd_interval *channels = hw_param_interval(params,
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| 						SNDRV_PCM_HW_PARAM_CHANNELS);
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| 
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| 	/* The DSP will convert the FE rate to 48k, stereo, 24bits */
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| 	rate->min = rate->max = 48000;
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| 	channels->min = channels->max = 2;
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| 
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| 	if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) ||
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| 		(cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
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| 
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| 		/* set SSP0 to 16-bit */
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| 		params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
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| 
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| 		/*
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| 		 * Default mode for SSP configuration is TDM 4 slot, override config
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| 		 * with explicit setting to I2S 2ch 16-bit. The word length is set with
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| 		 * dai_set_tdm_slot() since there is no other API exposed
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| 		 */
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| 		ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
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| 					SND_SOC_DAIFMT_I2S     |
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| 					SND_SOC_DAIFMT_NB_NF   |
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| 					SND_SOC_DAIFMT_BP_FP
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| 			);
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| 		if (ret < 0) {
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| 			dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
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| 			return ret;
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| 		}
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| 
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| 		ret = snd_soc_dai_set_fmt(asoc_rtd_to_codec(rtd, 0),
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| 					SND_SOC_DAIFMT_I2S     |
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| 					SND_SOC_DAIFMT_NB_NF   |
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| 					SND_SOC_DAIFMT_BC_FC
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| 			);
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| 		if (ret < 0) {
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| 			dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
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| 			return ret;
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| 		}
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| 
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| 		ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, 16);
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| 		if (ret < 0) {
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| 			dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
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| 			return ret;
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| 		}
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| 
 | |
| 	} else {
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| 
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| 		/* set SSP2 to 24-bit */
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| 		params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
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| 
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| 		/*
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| 		 * Default mode for SSP configuration is TDM 4 slot
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| 		 */
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| 		ret = snd_soc_dai_set_fmt(asoc_rtd_to_codec(rtd, 0),
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| 					SND_SOC_DAIFMT_DSP_B |
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| 					SND_SOC_DAIFMT_IB_NF |
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| 					SND_SOC_DAIFMT_BC_FC);
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| 		if (ret < 0) {
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| 			dev_err(rtd->dev, "can't set format to TDM %d\n", ret);
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| 			return ret;
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| 		}
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| 
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| 		/* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
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| 		ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_codec(rtd, 0), 0xF, 0xF, 4, 24);
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| 		if (ret < 0) {
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| 			dev_err(rtd->dev, "can't set codec TDM slot %d\n", ret);
 | |
| 			return ret;
 | |
| 		}
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int cht_aif1_startup(struct snd_pcm_substream *substream)
 | |
| {
 | |
| 	return snd_pcm_hw_constraint_single(substream->runtime,
 | |
| 			SNDRV_PCM_HW_PARAM_RATE, 48000);
 | |
| }
 | |
| 
 | |
| static const struct snd_soc_ops cht_aif1_ops = {
 | |
| 	.startup = cht_aif1_startup,
 | |
| };
 | |
| 
 | |
| static const struct snd_soc_ops cht_be_ssp2_ops = {
 | |
| 	.hw_params = cht_aif1_hw_params,
 | |
| };
 | |
| 
 | |
| SND_SOC_DAILINK_DEF(dummy,
 | |
| 	DAILINK_COMP_ARRAY(COMP_DUMMY()));
 | |
| 
 | |
| SND_SOC_DAILINK_DEF(media,
 | |
| 	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
 | |
| 
 | |
| SND_SOC_DAILINK_DEF(deepbuffer,
 | |
| 	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
 | |
| 
 | |
| SND_SOC_DAILINK_DEF(ssp2_port,
 | |
| 	DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
 | |
| SND_SOC_DAILINK_DEF(ssp2_codec,
 | |
| 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5645:00", "rt5645-aif1")));
 | |
| 
 | |
| SND_SOC_DAILINK_DEF(platform,
 | |
| 	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
 | |
| 
 | |
| static struct snd_soc_dai_link cht_dailink[] = {
 | |
| 	[MERR_DPCM_AUDIO] = {
 | |
| 		.name = "Audio Port",
 | |
| 		.stream_name = "Audio",
 | |
| 		.nonatomic = true,
 | |
| 		.dynamic = 1,
 | |
| 		.dpcm_playback = 1,
 | |
| 		.dpcm_capture = 1,
 | |
| 		.ops = &cht_aif1_ops,
 | |
| 		SND_SOC_DAILINK_REG(media, dummy, platform),
 | |
| 	},
 | |
| 	[MERR_DPCM_DEEP_BUFFER] = {
 | |
| 		.name = "Deep-Buffer Audio Port",
 | |
| 		.stream_name = "Deep-Buffer Audio",
 | |
| 		.nonatomic = true,
 | |
| 		.dynamic = 1,
 | |
| 		.dpcm_playback = 1,
 | |
| 		.ops = &cht_aif1_ops,
 | |
| 		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
 | |
| 	},
 | |
| 	/* CODEC<->CODEC link */
 | |
| 	/* back ends */
 | |
| 	{
 | |
| 		.name = "SSP2-Codec",
 | |
| 		.id = 0,
 | |
| 		.no_pcm = 1,
 | |
| 		.init = cht_codec_init,
 | |
| 		.be_hw_params_fixup = cht_codec_fixup,
 | |
| 		.dpcm_playback = 1,
 | |
| 		.dpcm_capture = 1,
 | |
| 		.ops = &cht_be_ssp2_ops,
 | |
| 		SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
 | |
| 	},
 | |
| };
 | |
| 
 | |
| /* use space before codec name to simplify card ID, and simplify driver name */
 | |
| #define SOF_CARD_RT5645_NAME "bytcht rt5645" /* card name 'sof-bytcht rt5645' */
 | |
| #define SOF_CARD_RT5650_NAME "bytcht rt5650" /* card name 'sof-bytcht rt5650' */
 | |
| #define SOF_DRIVER_NAME "SOF"
 | |
| 
 | |
| #define CARD_RT5645_NAME "chtrt5645"
 | |
| #define CARD_RT5650_NAME "chtrt5650"
 | |
| #define DRIVER_NAME NULL /* card name will be used for driver name */
 | |
| 
 | |
| /* SoC card */
 | |
| static struct snd_soc_card snd_soc_card_chtrt5645 = {
 | |
| 	.owner = THIS_MODULE,
 | |
| 	.dai_link = cht_dailink,
 | |
| 	.num_links = ARRAY_SIZE(cht_dailink),
 | |
| 	.dapm_widgets = cht_dapm_widgets,
 | |
| 	.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
 | |
| 	.dapm_routes = cht_rt5645_audio_map,
 | |
| 	.num_dapm_routes = ARRAY_SIZE(cht_rt5645_audio_map),
 | |
| 	.controls = cht_mc_controls,
 | |
| 	.num_controls = ARRAY_SIZE(cht_mc_controls),
 | |
| };
 | |
| 
 | |
| static struct snd_soc_card snd_soc_card_chtrt5650 = {
 | |
| 	.owner = THIS_MODULE,
 | |
| 	.dai_link = cht_dailink,
 | |
| 	.num_links = ARRAY_SIZE(cht_dailink),
 | |
| 	.dapm_widgets = cht_dapm_widgets,
 | |
| 	.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
 | |
| 	.dapm_routes = cht_rt5650_audio_map,
 | |
| 	.num_dapm_routes = ARRAY_SIZE(cht_rt5650_audio_map),
 | |
| 	.controls = cht_mc_controls,
 | |
| 	.num_controls = ARRAY_SIZE(cht_mc_controls),
 | |
| };
 | |
| 
 | |
| static struct cht_acpi_card snd_soc_cards[] = {
 | |
| 	{"10EC5640", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
 | |
| 	{"10EC5645", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
 | |
| 	{"10EC5648", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
 | |
| 	{"10EC3270", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
 | |
| 	{"10EC5650", CODEC_TYPE_RT5650, &snd_soc_card_chtrt5650},
 | |
| };
 | |
| 
 | |
| static char cht_rt5645_codec_name[SND_ACPI_I2C_ID_LEN];
 | |
| 
 | |
| struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
 | |
| 	u64 aif_value;       /* 1: AIF1, 2: AIF2 */
 | |
| 	u64 mclock_value;    /* usually 25MHz (0x17d7940), ignored */
 | |
| };
 | |
| 
 | |
| static int snd_cht_mc_probe(struct platform_device *pdev)
 | |
| {
 | |
| 	struct snd_soc_card *card = snd_soc_cards[0].soc_card;
 | |
| 	struct snd_soc_acpi_mach *mach;
 | |
| 	const char *platform_name;
 | |
| 	struct cht_mc_private *drv;
 | |
| 	struct acpi_device *adev;
 | |
| 	bool sof_parent;
 | |
| 	bool found = false;
 | |
| 	bool is_bytcr = false;
 | |
| 	int dai_index = 0;
 | |
| 	int ret_val = 0;
 | |
| 	int i;
 | |
| 	const char *mclk_name;
 | |
| 
 | |
| 	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
 | |
| 	if (!drv)
 | |
| 		return -ENOMEM;
 | |
| 
 | |
| 	mach = pdev->dev.platform_data;
 | |
| 
 | |
| 	for (i = 0; i < ARRAY_SIZE(snd_soc_cards); i++) {
 | |
| 		if (acpi_dev_found(snd_soc_cards[i].codec_id) &&
 | |
| 			(!strncmp(snd_soc_cards[i].codec_id, mach->id, 8))) {
 | |
| 			dev_dbg(&pdev->dev,
 | |
| 				"found codec %s\n", snd_soc_cards[i].codec_id);
 | |
| 			card = snd_soc_cards[i].soc_card;
 | |
| 			drv->acpi_card = &snd_soc_cards[i];
 | |
| 			found = true;
 | |
| 			break;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (!found) {
 | |
| 		dev_err(&pdev->dev, "No matching HID found in supported list\n");
 | |
| 		return -ENODEV;
 | |
| 	}
 | |
| 
 | |
| 	card->dev = &pdev->dev;
 | |
| 	sprintf(drv->codec_name, "i2c-%s:00", drv->acpi_card->codec_id);
 | |
| 
 | |
| 	/* set correct codec name */
 | |
| 	for (i = 0; i < ARRAY_SIZE(cht_dailink); i++)
 | |
| 		if (!strcmp(card->dai_link[i].codecs->name,
 | |
| 			    "i2c-10EC5645:00")) {
 | |
| 			card->dai_link[i].codecs->name = drv->codec_name;
 | |
| 			dai_index = i;
 | |
| 		}
 | |
| 
 | |
| 	/* fixup codec name based on HID */
 | |
| 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
 | |
| 	if (adev) {
 | |
| 		snprintf(cht_rt5645_codec_name, sizeof(cht_rt5645_codec_name),
 | |
| 			 "i2c-%s", acpi_dev_name(adev));
 | |
| 		cht_dailink[dai_index].codecs->name = cht_rt5645_codec_name;
 | |
| 	}
 | |
| 	acpi_dev_put(adev);
 | |
| 
 | |
| 	/*
 | |
| 	 * swap SSP0 if bytcr is detected
 | |
| 	 * (will be overridden if DMI quirk is detected)
 | |
| 	 */
 | |
| 	if (soc_intel_is_byt()) {
 | |
| 		if (mach->mach_params.acpi_ipc_irq_index == 0)
 | |
| 			is_bytcr = true;
 | |
| 	}
 | |
| 
 | |
| 	if (is_bytcr) {
 | |
| 		/*
 | |
| 		 * Baytrail CR platforms may have CHAN package in BIOS, try
 | |
| 		 * to find relevant routing quirk based as done on Windows
 | |
| 		 * platforms. We have to read the information directly from the
 | |
| 		 * BIOS, at this stage the card is not created and the links
 | |
| 		 * with the codec driver/pdata are non-existent
 | |
| 		 */
 | |
| 
 | |
| 		struct acpi_chan_package chan_package = { 0 };
 | |
| 
 | |
| 		/* format specified: 2 64-bit integers */
 | |
| 		struct acpi_buffer format = {sizeof("NN"), "NN"};
 | |
| 		struct acpi_buffer state = {0, NULL};
 | |
| 		struct snd_soc_acpi_package_context pkg_ctx;
 | |
| 		bool pkg_found = false;
 | |
| 
 | |
| 		state.length = sizeof(chan_package);
 | |
| 		state.pointer = &chan_package;
 | |
| 
 | |
| 		pkg_ctx.name = "CHAN";
 | |
| 		pkg_ctx.length = 2;
 | |
| 		pkg_ctx.format = &format;
 | |
| 		pkg_ctx.state = &state;
 | |
| 		pkg_ctx.data_valid = false;
 | |
| 
 | |
| 		pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
 | |
| 							       &pkg_ctx);
 | |
| 		if (pkg_found) {
 | |
| 			if (chan_package.aif_value == 1) {
 | |
| 				dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
 | |
| 				cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF1;
 | |
| 			} else  if (chan_package.aif_value == 2) {
 | |
| 				dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
 | |
| 				cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF2;
 | |
| 			} else {
 | |
| 				dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
 | |
| 				pkg_found = false;
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		if (!pkg_found) {
 | |
| 			/* no BIOS indications, assume SSP0-AIF2 connection */
 | |
| 			cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF2;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/* check quirks before creating card */
 | |
| 	dmi_check_system(cht_rt5645_quirk_table);
 | |
| 	log_quirks(&pdev->dev);
 | |
| 
 | |
| 	if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) ||
 | |
| 	    (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2))
 | |
| 		cht_dailink[dai_index].codecs->dai_name = "rt5645-aif2";
 | |
| 
 | |
| 	if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) ||
 | |
| 	    (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2))
 | |
| 		cht_dailink[dai_index].cpus->dai_name = "ssp0-port";
 | |
| 
 | |
| 	/* override platform name, if required */
 | |
| 	platform_name = mach->mach_params.platform;
 | |
| 
 | |
| 	ret_val = snd_soc_fixup_dai_links_platform_name(card,
 | |
| 							platform_name);
 | |
| 	if (ret_val)
 | |
| 		return ret_val;
 | |
| 
 | |
| 	if (cht_rt5645_quirk & CHT_RT5645_PMC_PLT_CLK_0)
 | |
| 		mclk_name = "pmc_plt_clk_0";
 | |
| 	else
 | |
| 		mclk_name = "pmc_plt_clk_3";
 | |
| 
 | |
| 	drv->mclk = devm_clk_get(&pdev->dev, mclk_name);
 | |
| 	if (IS_ERR(drv->mclk)) {
 | |
| 		dev_err(&pdev->dev, "Failed to get MCLK from %s: %ld\n",
 | |
| 			mclk_name, PTR_ERR(drv->mclk));
 | |
| 		return PTR_ERR(drv->mclk);
 | |
| 	}
 | |
| 
 | |
| 	snd_soc_card_set_drvdata(card, drv);
 | |
| 
 | |
| 	sof_parent = snd_soc_acpi_sof_parent(&pdev->dev);
 | |
| 
 | |
| 	/* set card and driver name */
 | |
| 	if (sof_parent) {
 | |
| 		snd_soc_card_chtrt5645.name = SOF_CARD_RT5645_NAME;
 | |
| 		snd_soc_card_chtrt5645.driver_name = SOF_DRIVER_NAME;
 | |
| 		snd_soc_card_chtrt5650.name = SOF_CARD_RT5650_NAME;
 | |
| 		snd_soc_card_chtrt5650.driver_name = SOF_DRIVER_NAME;
 | |
| 	} else {
 | |
| 		snd_soc_card_chtrt5645.name = CARD_RT5645_NAME;
 | |
| 		snd_soc_card_chtrt5645.driver_name = DRIVER_NAME;
 | |
| 		snd_soc_card_chtrt5650.name = CARD_RT5650_NAME;
 | |
| 		snd_soc_card_chtrt5650.driver_name = DRIVER_NAME;
 | |
| 	}
 | |
| 
 | |
| 	/* set pm ops */
 | |
| 	if (sof_parent)
 | |
| 		pdev->dev.driver->pm = &snd_soc_pm_ops;
 | |
| 
 | |
| 	ret_val = devm_snd_soc_register_card(&pdev->dev, card);
 | |
| 	if (ret_val) {
 | |
| 		dev_err(&pdev->dev,
 | |
| 			"snd_soc_register_card failed %d\n", ret_val);
 | |
| 		return ret_val;
 | |
| 	}
 | |
| 	platform_set_drvdata(pdev, card);
 | |
| 	return ret_val;
 | |
| }
 | |
| 
 | |
| static struct platform_driver snd_cht_mc_driver = {
 | |
| 	.driver = {
 | |
| 		.name = "cht-bsw-rt5645",
 | |
| 	},
 | |
| 	.probe = snd_cht_mc_probe,
 | |
| };
 | |
| 
 | |
| module_platform_driver(snd_cht_mc_driver)
 | |
| 
 | |
| MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
 | |
| MODULE_AUTHOR("Fang, Yang A,N,Harshapriya");
 | |
| MODULE_LICENSE("GPL v2");
 | |
| MODULE_ALIAS("platform:cht-bsw-rt5645");
 |