avision: add skip-adf option (#1288712)
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Nils Philippsen
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sane-backends-1.0.25-avision-skip-adf.patch
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sane-backends-1.0.25-avision-skip-adf.patch
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From 2fea21f28ecbcd83ec4c4cf6d1578cdd552b0df4 Mon Sep 17 00:00:00 2001
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From: Nils Philippsen <nils@redhat.com>
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Date: Tue, 14 Mar 2017 17:38:49 +0100
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Subject: [PATCH] patch: avision-skip-adf
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Squashed commit of the following:
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commit 1177ca9c2673e5264741dff60010ddebaf43737c
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Author: Dave Platt <dplatt@radagast.org>
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Date: Thu Dec 15 22:29:16 2016 -0800
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avision.c: Add "skip-adf" option
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The code which tries aggressively to reset/initialize HP 82xx/83xx
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Automatic Document Feeders doesn't work well if there's no ADF attached,
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because the scanner reports a non-zero ADF model type in this case.
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The retry code makes several attempts to initialize the ADF, and then
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bails out with an "Operation not supported" error.
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Add a new "option skip-adf" which will cause the backend to believe
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the "ADF not present" status if that's what the scanner reports.
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Fixes #313751
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(cherry picked from commit 6585b6f60d07a196e42c99b935e2754bbc80b3c8)
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---
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backend/avision.c | 14 ++++++++++++--
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doc/sane-avision.man | 10 ++++++++++
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2 files changed, 22 insertions(+), 2 deletions(-)
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diff --git a/backend/avision.c b/backend/avision.c
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index 146125c..b02b547 100644
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--- a/backend/avision.c
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+++ b/backend/avision.c
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@@ -1277,6 +1277,9 @@ static SANE_Bool force_calibration = SANE_FALSE;
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static SANE_Bool force_a4 = SANE_FALSE;
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static SANE_Bool force_a3 = SANE_FALSE;
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+/* trust ADF-presence flag, even if ADF model is nonzero */
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+static SANE_Bool skip_adf = SANE_FALSE;
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+
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/* hardware resolutions to interpolate from */
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static const int hw_res_list_c5[] =
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{
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@@ -3218,11 +3221,13 @@ get_accessories_info (Avision_Scanner* s)
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{
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dev->inquiry_duplex = 1;
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dev->inquiry_duplex_interlaced = 0;
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- } else if (result[0] == 0 && result[2] != 0) {
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+ } else if (result[0] == 0 && result[2] != 0 && !skip_adf) {
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/* Sometimes the scanner will report that there is no ADF attached, yet
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* an ADF model number will still be reported. This happens on the
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* HP8200 series and possibly others. In this case we need to reset the
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- * the adf and try reading it again.
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+ * the adf and try reading it again. Skip this if the configuration says
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+ * to do so, so that we don't fail out the scanner as being broken and
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+ * unsupported if there isn't actually an ADF present.
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*/
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DBG (3, "get_accessories_info: Found ADF model number but the ADF-present flag is not set. Trying to recover...\n");
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status = adf_reset (s);
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@@ -7630,6 +7635,11 @@ sane_reload_devices (void)
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linenumber);
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force_a3 = SANE_TRUE;
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}
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+ else if (strcmp (word, "skip-adf") == 0) {
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+ DBG (3, "sane_reload_devices: config file line %d: enabling skip-adf\n",
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+ linenumber);
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+ skip_adf = SANE_TRUE;
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+ }
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else if (strcmp (word, "static-red-calib") == 0) {
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DBG (3, "sane_reload_devices: config file line %d: static red calibration\n",
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linenumber);
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diff --git a/doc/sane-avision.man b/doc/sane-avision.man
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index 299bb72..6a991b6 100644
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--- a/doc/sane-avision.man
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+++ b/doc/sane-avision.man
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@@ -36,6 +36,7 @@ a hash mark (#) are ignored. A sample configuration file is shown below:
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\
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option force\-a4
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option force\-a3
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+ option skip\-adf
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option disable\-gamma\-table
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option disable\-calibration
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\
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@@ -61,6 +62,15 @@ known to return bogus data are marked in the backend
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so if you need this option please report this to the
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backend maintainer. USE WITH CARE!
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.TP
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+skip\-adf:
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+Forces the backend to ignore an inconsistent ADF
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+status returned by the scanner (ADF not present, but
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+ADF model number non-zero). Without this option, the
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+backend will make several attempts to reset the ADF
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+and retry the query in this situation, and will fail
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+with a "not supported" error if the ADF still doesn't
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+respond.
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+.TP
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disable\-gamma\-table:
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Disables the usage of the scanner's gamma-table. You
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might try this if your scans hang or only produces
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--
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2.9.3
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@ -33,7 +33,7 @@
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Summary: Scanner access software
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Name: sane-backends
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Version: 1.0.25
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Release: 5%{?dist}
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Release: 6%{?dist}
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# lib/ is LGPLv2+, backends are GPLv2+ with exceptions
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# Tools are GPLv2+, docs are public domain
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# see LICENSE for details
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@ -51,6 +51,8 @@ Patch0: sane-backends-1.0.25-udev.patch
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Patch1: sane-backends-1.0.23-soname.patch
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# Fedora-specific (for now): make installed sane-config multi-lib aware again
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Patch2: sane-backends-1.0.23-sane-config-multilib.patch
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# Backported from upstream, commit 6585b6f60d07a196e42c99b935e2754bbc80b3c8
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Patch3: sane-backends-1.0.25-avision-skip-adf.patch
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URL: http://www.sane-project.org
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@ -177,6 +179,7 @@ access image acquisition devices available on the local host.
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%patch0 -p1 -b .udev
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%patch1 -p1 -b .soname
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%patch2 -p1 -b .sane-config-multilib
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%patch3 -p1 -b .avision-skip-adf
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%build
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CFLAGS="%optflags -fno-strict-aliasing"
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@ -327,6 +330,9 @@ exit 0
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%{_unitdir}/saned@.service
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%changelog
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* Tue Mar 14 2017 Nils Philippsen <nils@redhat.com> - 1.0.25-6
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- avision: add "skip-adf" option (#1288712)
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* Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.25-5
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
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