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pulseaudio/Fix-Intel-HDMI-LPE-problems.patch

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From patchwork Sun Oct 8 16:48:24 2017
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
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Subject: [v2,1/3] alsa-mixer: add hw_device_index to pa_alsa_mapping
From: Tanu Kaskinen <tanuk@iki.fi>
X-Patchwork-Id: 181163
Message-Id: <20171008164826.7588-2-tanuk@iki.fi>
To: pulseaudio-discuss@lists.freedesktop.org
Date: Sun, 8 Oct 2017 19:48:24 +0300
We have so far assumed that HDMI always uses device indexes 3, 7, 8, 9,
10, 11, 12 and 13. These values are hardcoded in the path configuration.
The Intel HDMI LPE driver, however, uses different device numbering
scheme. Since the indexes aren't always the same, we need to query the
hw device index from ALSA.
Later patches will use the queried index for HDMI jack detection and ELD
information reading.
BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=100488
---
src/modules/alsa/alsa-mixer.c | 26 ++++++++++++++++++++++++++
src/modules/alsa/alsa-mixer.h | 4 ++++
2 files changed, 30 insertions(+)
diff --git a/src/modules/alsa/alsa-mixer.c b/src/modules/alsa/alsa-mixer.c
index 7de1c7deb..02ab4a611 100644
--- a/src/modules/alsa/alsa-mixer.c
+++ b/src/modules/alsa/alsa-mixer.c
@@ -3505,6 +3505,7 @@ pa_alsa_mapping *pa_alsa_mapping_get(pa_alsa_profile_set *ps, const char *name)
pa_sample_spec_init(&m->sample_spec);
pa_channel_map_init(&m->channel_map);
m->proplist = pa_proplist_new();
+ m->hw_device_index = -1;
pa_hashmap_put(ps->mappings, m->name, m);
@@ -4532,6 +4533,25 @@ static int add_profiles_to_probe(
return i;
}
+static void mapping_query_hw_device(pa_alsa_mapping *mapping, snd_pcm_t *pcm) {
+ int r;
+ snd_pcm_info_t* pcm_info;
+ snd_pcm_info_alloca(&pcm_info);
+
+ r = snd_pcm_info(pcm, pcm_info);
+ if (r < 0) {
+ pa_log("Mapping %s: snd_pcm_info() failed %s: ", mapping->name, pa_alsa_strerror(r));
+ return;
+ }
+
+ /* XXX: It's not clear what snd_pcm_info_get_device() does if the device is
+ * not backed by a hw device or if it's backed by multiple hw devices. We
+ * only use hw_device_index for HDMI devices, however, and for those the
+ * return value is expected to be always valid, so this shouldn't be a
+ * significant problem. */
+ mapping->hw_device_index = snd_pcm_info_get_device(pcm_info);
+}
+
void pa_alsa_profile_set_probe(
pa_alsa_profile_set *ps,
const char *dev_id,
@@ -4622,6 +4642,9 @@ void pa_alsa_profile_set_probe(
}
break;
}
+
+ if (m->hw_device_index < 0)
+ mapping_query_hw_device(m, m->output_pcm);
}
if (p->input_mappings && p->supported)
@@ -4643,6 +4666,9 @@ void pa_alsa_profile_set_probe(
}
break;
}
+
+ if (m->hw_device_index < 0)
+ mapping_query_hw_device(m, m->input_pcm);
}
last = p;
diff --git a/src/modules/alsa/alsa-mixer.h b/src/modules/alsa/alsa-mixer.h
index 4ebf1922b..cb482906b 100644
--- a/src/modules/alsa/alsa-mixer.h
+++ b/src/modules/alsa/alsa-mixer.h
@@ -275,6 +275,10 @@ struct pa_alsa_mapping {
bool exact_channels:1;
bool fallback:1;
+ /* The "y" in "hw:x,y". This is set to -1 before the device index has been
+ * queried, or if the query failed. */
+ int hw_device_index;
+
/* Temporarily used during probing */
snd_pcm_t *input_pcm;
snd_pcm_t *output_pcm;
From patchwork Sun Oct 8 16:48:25 2017
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: [v2,2/3] alsa-mixer: autodetect the HDMI jack PCM device
From: Tanu Kaskinen <tanuk@iki.fi>
X-Patchwork-Id: 181164
Message-Id: <20171008164826.7588-3-tanuk@iki.fi>
To: pulseaudio-discuss@lists.freedesktop.org
Date: Sun, 8 Oct 2017 19:48:25 +0300
This removes the need to hardcode the PCM device index in the HDMI jack
names. The hardcoded values don't work with the Intel HDMI LPE driver.
BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=100488
---
src/modules/alsa/alsa-mixer.c | 53 ++++++++++++++++++++--
src/modules/alsa/alsa-mixer.h | 4 +-
src/modules/alsa/alsa-sink.c | 2 +-
src/modules/alsa/alsa-source.c | 2 +-
.../alsa/mixer/paths/analog-output.conf.common | 4 ++
src/modules/alsa/mixer/paths/hdmi-output-0.conf | 3 +-
src/modules/alsa/mixer/paths/hdmi-output-1.conf | 3 +-
src/modules/alsa/mixer/paths/hdmi-output-2.conf | 3 +-
src/modules/alsa/mixer/paths/hdmi-output-3.conf | 3 +-
src/modules/alsa/mixer/paths/hdmi-output-4.conf | 3 +-
src/modules/alsa/mixer/paths/hdmi-output-5.conf | 3 +-
src/modules/alsa/mixer/paths/hdmi-output-6.conf | 3 +-
src/modules/alsa/mixer/paths/hdmi-output-7.conf | 3 +-
13 files changed, 73 insertions(+), 16 deletions(-)
diff --git a/src/modules/alsa/alsa-mixer.c b/src/modules/alsa/alsa-mixer.c
index 02ab4a611..eaee7ea0a 100644
--- a/src/modules/alsa/alsa-mixer.c
+++ b/src/modules/alsa/alsa-mixer.c
@@ -1812,12 +1812,31 @@ static int element_probe(pa_alsa_element *e, snd_mixer_t *m) {
return 0;
}
-static int jack_probe(pa_alsa_jack *j, snd_mixer_t *m) {
+static int jack_probe(pa_alsa_jack *j, pa_alsa_mapping *mapping, snd_mixer_t *m) {
bool has_control;
pa_assert(j);
pa_assert(j->path);
+ if (j->append_pcm_to_name) {
+ char *new_name;
+
+ if (!mapping) {
+ /* This could also be an assertion, because this should never
+ * happen. At the time of writing, mapping can only be NULL when
+ * module-alsa-sink/source synthesizes a path, and those
+ * synthesized paths never have any jacks, so jack_probe() should
+ * never be called with a NULL mapping. */
+ pa_log("Jack %s: append_pcm_to_name is set, but mapping is NULL. Can't use this jack.", j->name);
+ return -1;
+ }
+
+ new_name = pa_sprintf_malloc("%s,pcm=%i Jack", j->name, mapping->hw_device_index);
+ pa_xfree(j->alsa_name);
+ j->alsa_name = new_name;
+ j->append_pcm_to_name = false;
+ }
+
has_control = pa_alsa_mixer_find(m, j->alsa_name, 0) != NULL;
pa_alsa_jack_set_has_control(j, has_control);
@@ -2326,6 +2345,30 @@ static int jack_parse_state(pa_config_parser_state *state) {
return 0;
}
+static int jack_parse_append_pcm_to_name(pa_config_parser_state *state) {
+ pa_alsa_path *path;
+ pa_alsa_jack *jack;
+ int b;
+
+ pa_assert(state);
+
+ path = state->userdata;
+ if (!(jack = jack_get(path, state->section))) {
+ pa_log("[%s:%u] Option 'append_pcm_to_name' not expected in section '%s'",
+ state->filename, state->lineno, state->section);
+ return -1;
+ }
+
+ b = pa_parse_boolean(state->rvalue);
+ if (b < 0) {
+ pa_log("[%s:%u] Invalid value for 'append_pcm_to_name': %s", state->filename, state->lineno, state->rvalue);
+ return -1;
+ }
+
+ jack->append_pcm_to_name = b;
+ return 0;
+}
+
static int element_set_option(pa_alsa_element *e, snd_mixer_t *m, int alsa_idx) {
snd_mixer_selem_id_t *sid;
snd_mixer_elem_t *me;
@@ -2534,6 +2577,7 @@ pa_alsa_path* pa_alsa_path_new(const char *paths_dir, const char *fname, pa_alsa
/* [Jack ...] */
{ "state.plugged", jack_parse_state, NULL, NULL },
{ "state.unplugged", jack_parse_state, NULL, NULL },
+ { "append-pcm-to-name", jack_parse_append_pcm_to_name, NULL, NULL },
/* [Element ...] */
{ "switch", element_parse_switch, NULL, NULL },
@@ -2746,7 +2790,7 @@ static void path_create_settings(pa_alsa_path *p) {
element_create_settings(p->elements, NULL);
}
-int pa_alsa_path_probe(pa_alsa_path *p, snd_mixer_t *m, bool ignore_dB) {
+int pa_alsa_path_probe(pa_alsa_path *p, pa_alsa_mapping *mapping, snd_mixer_t *m, bool ignore_dB) {
pa_alsa_element *e;
pa_alsa_jack *j;
double min_dB[PA_CHANNEL_POSITION_MAX], max_dB[PA_CHANNEL_POSITION_MAX];
@@ -2766,7 +2810,7 @@ int pa_alsa_path_probe(pa_alsa_path *p, snd_mixer_t *m, bool ignore_dB) {
pa_log_debug("Probing path '%s'", p->name);
PA_LLIST_FOREACH(j, p->jacks) {
- if (jack_probe(j, m) < 0) {
+ if (jack_probe(j, mapping, m) < 0) {
p->supported = false;
pa_log_debug("Probe of jack '%s' failed.", j->alsa_name);
return -1;
@@ -3968,9 +4012,8 @@ static void mapping_paths_probe(pa_alsa_mapping *m, pa_alsa_profile *profile,
}
PA_HASHMAP_FOREACH(p, ps->paths, state) {
- if (pa_alsa_path_probe(p, mixer_handle, m->profile_set->ignore_dB) < 0) {
+ if (pa_alsa_path_probe(p, m, mixer_handle, m->profile_set->ignore_dB) < 0)
pa_hashmap_remove(ps->paths, p);
- }
}
path_set_condense(ps, mixer_handle);
diff --git a/src/modules/alsa/alsa-mixer.h b/src/modules/alsa/alsa-mixer.h
index cb482906b..7ae40511c 100644
--- a/src/modules/alsa/alsa-mixer.h
+++ b/src/modules/alsa/alsa-mixer.h
@@ -171,6 +171,8 @@ struct pa_alsa_jack {
pa_dynarray *ucm_devices; /* pa_alsa_ucm_device */
pa_dynarray *ucm_hw_mute_devices; /* pa_alsa_ucm_device */
+
+ bool append_pcm_to_name;
};
pa_alsa_jack *pa_alsa_jack_new(pa_alsa_path *path, const char *name);
@@ -234,7 +236,7 @@ void pa_alsa_element_dump(pa_alsa_element *e);
pa_alsa_path *pa_alsa_path_new(const char *paths_dir, const char *fname, pa_alsa_direction_t direction);
pa_alsa_path *pa_alsa_path_synthesize(const char *element, pa_alsa_direction_t direction);
-int pa_alsa_path_probe(pa_alsa_path *p, snd_mixer_t *m, bool ignore_dB);
+int pa_alsa_path_probe(pa_alsa_path *p, pa_alsa_mapping *mapping, snd_mixer_t *m, bool ignore_dB);
void pa_alsa_path_dump(pa_alsa_path *p);
int pa_alsa_path_get_volume(pa_alsa_path *p, snd_mixer_t *m, const pa_channel_map *cm, pa_cvolume *v);
int pa_alsa_path_get_mute(pa_alsa_path *path, snd_mixer_t *m, bool *muted);
diff --git a/src/modules/alsa/alsa-sink.c b/src/modules/alsa/alsa-sink.c
index 827a65081..99ca5061b 100644
--- a/src/modules/alsa/alsa-sink.c
+++ b/src/modules/alsa/alsa-sink.c
@@ -1912,7 +1912,7 @@ static void find_mixer(struct userdata *u, pa_alsa_mapping *mapping, const char
if (!(u->mixer_path = pa_alsa_path_synthesize(element, PA_ALSA_DIRECTION_OUTPUT)))
goto fail;
- if (pa_alsa_path_probe(u->mixer_path, u->mixer_handle, ignore_dB) < 0)
+ if (pa_alsa_path_probe(u->mixer_path, NULL, u->mixer_handle, ignore_dB) < 0)
goto fail;
pa_log_debug("Probed mixer path %s:", u->mixer_path->name);
diff --git a/src/modules/alsa/alsa-source.c b/src/modules/alsa/alsa-source.c
index 6bec188ea..84abbf1d9 100644
--- a/src/modules/alsa/alsa-source.c
+++ b/src/modules/alsa/alsa-source.c
@@ -1615,7 +1615,7 @@ static void find_mixer(struct userdata *u, pa_alsa_mapping *mapping, const char
if (!(u->mixer_path = pa_alsa_path_synthesize(element, PA_ALSA_DIRECTION_INPUT)))
goto fail;
- if (pa_alsa_path_probe(u->mixer_path, u->mixer_handle, ignore_dB) < 0)
+ if (pa_alsa_path_probe(u->mixer_path, NULL, u->mixer_handle, ignore_dB) < 0)
goto fail;
pa_log_debug("Probed mixer path %s:", u->mixer_path->name);
diff --git a/src/modules/alsa/mixer/paths/analog-output.conf.common b/src/modules/alsa/mixer/paths/analog-output.conf.common
index 17b45278a..baf37660e 100644
--- a/src/modules/alsa/mixer/paths/analog-output.conf.common
+++ b/src/modules/alsa/mixer/paths/analog-output.conf.common
@@ -122,6 +122,10 @@
; # the required-any are present.
; state.plugged = yes | no | unknown # Normally a plugged jack would mean the port becomes available, and an unplugged means it's
; state.unplugged = yes | no | unknown # unavailable, but the port status can be overridden by specifying state.plugged and/or state.unplugged.
+; append-pcm-to-name = no | yes # Add ",pcm=N" to the jack name? N is the hw PCM device index. HDMI jacks have
+; # the PCM device index in their name, but different drivers use different
+; # numbering schemes, so we can't hardcode the full jack name in our configuration
+; # files.
[Element PCM]
switch = mute
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-0.conf b/src/modules/alsa/mixer/paths/hdmi-output-0.conf
index 331014709..a87205cea 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-0.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-0.conf
@@ -6,5 +6,6 @@ eld-device = 3
[Properties]
device.icon_name = video-display
-[Jack HDMI/DP,pcm=3]
+[Jack HDMI/DP]
+append-pcm-to-name = yes
required = ignore
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-1.conf b/src/modules/alsa/mixer/paths/hdmi-output-1.conf
index d81ee789c..b513ffd70 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-1.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-1.conf
@@ -6,5 +6,6 @@ eld-device = 7
[Properties]
device.icon_name = video-display
-[Jack HDMI/DP,pcm=7]
+[Jack HDMI/DP]
+append-pcm-to-name = yes
required = ignore
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-2.conf b/src/modules/alsa/mixer/paths/hdmi-output-2.conf
index 349812fc2..a2386650e 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-2.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-2.conf
@@ -6,5 +6,6 @@ eld-device = 8
[Properties]
device.icon_name = video-display
-[Jack HDMI/DP,pcm=8]
+[Jack HDMI/DP]
+append-pcm-to-name = yes
required = ignore
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-3.conf b/src/modules/alsa/mixer/paths/hdmi-output-3.conf
index 81463c946..edceb36e1 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-3.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-3.conf
@@ -6,5 +6,6 @@ eld-device = 9
[Properties]
device.icon_name = video-display
-[Jack HDMI/DP,pcm=9]
+[Jack HDMI/DP]
+append-pcm-to-name = yes
required = ignore
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-4.conf b/src/modules/alsa/mixer/paths/hdmi-output-4.conf
index d61ec7547..0d1401eef 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-4.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-4.conf
@@ -6,5 +6,6 @@ eld-device = 10
[Properties]
device.icon_name = video-display
-[Jack HDMI/DP,pcm=10]
+[Jack HDMI/DP]
+append-pcm-to-name = yes
required = ignore
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-5.conf b/src/modules/alsa/mixer/paths/hdmi-output-5.conf
index 02c15e893..883cccc20 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-5.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-5.conf
@@ -6,5 +6,6 @@ eld-device = 11
[Properties]
device.icon_name = video-display
-[Jack HDMI/DP,pcm=11]
+[Jack HDMI/DP]
+append-pcm-to-name = yes
required = ignore
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-6.conf b/src/modules/alsa/mixer/paths/hdmi-output-6.conf
index 188a1adb3..d8ac2f55c 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-6.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-6.conf
@@ -6,5 +6,6 @@ eld-device = 12
[Properties]
device.icon_name = video-display
-[Jack HDMI/DP,pcm=12]
+[Jack HDMI/DP]
+append-pcm-to-name = yes
required = ignore
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-7.conf b/src/modules/alsa/mixer/paths/hdmi-output-7.conf
index 80f4e3722..dd090855f 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-7.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-7.conf
@@ -6,5 +6,6 @@ eld-device = 13
[Properties]
device.icon_name = video-display
-[Jack HDMI/DP,pcm=13]
+[Jack HDMI/DP]
+append-pcm-to-name = yes
required = ignore
From patchwork Sun Oct 8 16:48:26 2017
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: [v2,3/3] alsa-mixer: autodetect the ELD device
From: Tanu Kaskinen <tanuk@iki.fi>
X-Patchwork-Id: 181165
Message-Id: <20171008164826.7588-4-tanuk@iki.fi>
To: pulseaudio-discuss@lists.freedesktop.org
Date: Sun, 8 Oct 2017 19:48:26 +0300
This removes the need to hardcode the ELD device index in the path
configuration. The hardcoded values don't work with the Intel HDMI LPE
driver.
BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=100488
---
src/modules/alsa/alsa-mixer.c | 28 ++++++++++++++++++++--
src/modules/alsa/alsa-mixer.h | 1 +
.../alsa/mixer/paths/analog-output.conf.common | 8 +++++--
src/modules/alsa/mixer/paths/hdmi-output-0.conf | 2 +-
src/modules/alsa/mixer/paths/hdmi-output-1.conf | 2 +-
src/modules/alsa/mixer/paths/hdmi-output-2.conf | 2 +-
src/modules/alsa/mixer/paths/hdmi-output-3.conf | 2 +-
src/modules/alsa/mixer/paths/hdmi-output-4.conf | 2 +-
src/modules/alsa/mixer/paths/hdmi-output-5.conf | 2 +-
src/modules/alsa/mixer/paths/hdmi-output-6.conf | 2 +-
src/modules/alsa/mixer/paths/hdmi-output-7.conf | 2 +-
11 files changed, 41 insertions(+), 12 deletions(-)
diff --git a/src/modules/alsa/alsa-mixer.c b/src/modules/alsa/alsa-mixer.c
index eaee7ea0a..a524d6d64 100644
--- a/src/modules/alsa/alsa-mixer.c
+++ b/src/modules/alsa/alsa-mixer.c
@@ -2051,6 +2051,28 @@ static int element_parse_enumeration(pa_config_parser_state *state) {
return 0;
}
+static int parse_eld_device(pa_config_parser_state *state) {
+ pa_alsa_path *path;
+ uint32_t eld_device;
+
+ path = state->userdata;
+
+ if (pa_atou(state->rvalue, &eld_device) >= 0) {
+ path->autodetect_eld_device = false;
+ path->eld_device = eld_device;
+ return 0;
+ }
+
+ if (pa_streq(state->rvalue, "auto")) {
+ path->autodetect_eld_device = true;
+ path->eld_device = -1;
+ return 0;
+ }
+
+ pa_log("[%s:%u] Invalid value for option 'eld-device': %s", state->filename, state->lineno, state->rvalue);
+ return -1;
+}
+
static int option_parse_priority(pa_config_parser_state *state) {
pa_alsa_path *p;
pa_alsa_option *o;
@@ -2568,7 +2590,7 @@ pa_alsa_path* pa_alsa_path_new(const char *paths_dir, const char *fname, pa_alsa
{ "description-key", pa_config_parse_string, NULL, "General" },
{ "description", pa_config_parse_string, NULL, "General" },
{ "mute-during-activation", pa_config_parse_bool, NULL, "General" },
- { "eld-device", pa_config_parse_int, NULL, "General" },
+ { "eld-device", parse_eld_device, NULL, "General" },
/* [Option ...] */
{ "priority", option_parse_priority, NULL, NULL },
@@ -2608,7 +2630,6 @@ pa_alsa_path* pa_alsa_path_new(const char *paths_dir, const char *fname, pa_alsa
items[1].data = &p->description_key;
items[2].data = &p->description;
items[3].data = &mute_during_activation;
- items[4].data = &p->eld_device;
if (!paths_dir)
paths_dir = get_default_paths_dir();
@@ -4012,6 +4033,9 @@ static void mapping_paths_probe(pa_alsa_mapping *m, pa_alsa_profile *profile,
}
PA_HASHMAP_FOREACH(p, ps->paths, state) {
+ if (p->autodetect_eld_device)
+ p->eld_device = m->hw_device_index;
+
if (pa_alsa_path_probe(p, m, mixer_handle, m->profile_set->ignore_dB) < 0)
pa_hashmap_remove(ps->paths, p);
}
diff --git a/src/modules/alsa/alsa-mixer.h b/src/modules/alsa/alsa-mixer.h
index 7ae40511c..15615a615 100644
--- a/src/modules/alsa/alsa-mixer.h
+++ b/src/modules/alsa/alsa-mixer.h
@@ -193,6 +193,7 @@ struct pa_alsa_path {
char *description_key;
char *description;
unsigned priority;
+ bool autodetect_eld_device;
int eld_device;
pa_proplist *proplist;
diff --git a/src/modules/alsa/mixer/paths/analog-output.conf.common b/src/modules/alsa/mixer/paths/analog-output.conf.common
index baf37660e..e52830d99 100644
--- a/src/modules/alsa/mixer/paths/analog-output.conf.common
+++ b/src/modules/alsa/mixer/paths/analog-output.conf.common
@@ -64,8 +64,12 @@
; mute-during-activation = yes | no # If this path supports hardware mute, should the hw mute be used while activating this
; # path? In some cases this can reduce extra noises during port switching, while in other
; # cases this can increase such noises. Default: no.
-; eld-device = ... # If this is an HDMI port, here's where to specify the device number for the ELD mixer
-; # control. The default is to not make use of ELD information.
+; eld-device = ... # If this is an HDMI port, set to "auto" so that PulseAudio will try to read
+; # the monitor ELD information from the ALSA mixer. By default the ELD information
+; # is not read, because it's only applicable with HDMI. Earlier the "auto" option
+; # didn't exist, and the hw device index had to be manually configured. For
+; # backwards compatibility, it's still possible to manually configure the device
+; # index using this option.
;
; [Properties] # Property list for this path. The list is merged into the port property list.
; <key> = <value> # Each property is defined on its own line.
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-0.conf b/src/modules/alsa/mixer/paths/hdmi-output-0.conf
index a87205cea..95b1342e9 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-0.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-0.conf
@@ -1,7 +1,7 @@
[General]
description = HDMI / DisplayPort
priority = 59
-eld-device = 3
+eld-device = auto
[Properties]
device.icon_name = video-display
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-1.conf b/src/modules/alsa/mixer/paths/hdmi-output-1.conf
index b513ffd70..37b945204 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-1.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-1.conf
@@ -1,7 +1,7 @@
[General]
description = HDMI / DisplayPort 2
priority = 58
-eld-device = 7
+eld-device = auto
[Properties]
device.icon_name = video-display
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-2.conf b/src/modules/alsa/mixer/paths/hdmi-output-2.conf
index a2386650e..19c38f2e8 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-2.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-2.conf
@@ -1,7 +1,7 @@
[General]
description = HDMI / DisplayPort 3
priority = 57
-eld-device = 8
+eld-device = auto
[Properties]
device.icon_name = video-display
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-3.conf b/src/modules/alsa/mixer/paths/hdmi-output-3.conf
index edceb36e1..8551570ac 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-3.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-3.conf
@@ -1,7 +1,7 @@
[General]
description = HDMI / DisplayPort 4
priority = 56
-eld-device = 9
+eld-device = auto
[Properties]
device.icon_name = video-display
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-4.conf b/src/modules/alsa/mixer/paths/hdmi-output-4.conf
index 0d1401eef..e36128921 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-4.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-4.conf
@@ -1,7 +1,7 @@
[General]
description = HDMI / DisplayPort 5
priority = 55
-eld-device = 10
+eld-device = auto
[Properties]
device.icon_name = video-display
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-5.conf b/src/modules/alsa/mixer/paths/hdmi-output-5.conf
index 883cccc20..82dc3be79 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-5.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-5.conf
@@ -1,7 +1,7 @@
[General]
description = HDMI / DisplayPort 6
priority = 54
-eld-device = 11
+eld-device = auto
[Properties]
device.icon_name = video-display
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-6.conf b/src/modules/alsa/mixer/paths/hdmi-output-6.conf
index d8ac2f55c..92e8fd1e2 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-6.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-6.conf
@@ -1,7 +1,7 @@
[General]
description = HDMI / DisplayPort 7
priority = 53
-eld-device = 12
+eld-device = auto
[Properties]
device.icon_name = video-display
diff --git a/src/modules/alsa/mixer/paths/hdmi-output-7.conf b/src/modules/alsa/mixer/paths/hdmi-output-7.conf
index dd090855f..abe2b60e6 100644
--- a/src/modules/alsa/mixer/paths/hdmi-output-7.conf
+++ b/src/modules/alsa/mixer/paths/hdmi-output-7.conf
@@ -1,7 +1,7 @@
[General]
description = HDMI / DisplayPort 8
priority = 52
-eld-device = 13
+eld-device = auto
[Properties]
device.icon_name = video-display
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