Add patch to enable keyboard backlight on Sony laptops (rhbz 728478)
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5c51b136d3
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11
kernel.spec
11
kernel.spec
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@ -42,7 +42,7 @@ Summary: The Linux kernel
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# When changing real_sublevel below, reset this by hand to 1
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# (or to 0 and then use rpmdev-bumpspec).
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#
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%global baserelease 3
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%global baserelease 4
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%global fedora_build %{baserelease}
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# real_sublevel is the 3.x kernel version we're starting with
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@ -721,6 +721,9 @@ Patch21102: ACPICA-Fix-regression-in-FADT-revision-checks.patch
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# rhbz 798296
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Patch21103: cifs-fix-dentry-refcount-leak-when-opening-a-FIFO.patch
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#rhbz 728478
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Patch21104: sony-laptop-Enable-keyboard-backlight-by-default.patch
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%endif
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BuildRoot: %{_tmppath}/kernel-%{KVERREL}-root
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@ -1333,6 +1336,9 @@ ApplyPatch ACPICA-Fix-regression-in-FADT-revision-checks.patch
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# rhbz 798296
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ApplyPatch cifs-fix-dentry-refcount-leak-when-opening-a-FIFO.patch
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#rhbz 728478
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ApplyPatch sony-laptop-Enable-keyboard-backlight-by-default.patch
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# END OF PATCH APPLICATIONS
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%endif
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@ -1980,6 +1986,9 @@ fi
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# and build.
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%changelog
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* Tue Feb 28 2012 Josh Boyer <jwboyer@redhat.com>
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- Add patch to enable keyboard backlight on Sony laptops (rhbz 728478)
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* Tue Feb 28 2012 Justin M. Forbes <jforbes@redhat.com> 2.6.42.7-3
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- CVE-2012-1090 CIFS: fix dentry refcount leak when opening a FIFO on lookup (rhbz 798296)
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@ -0,0 +1,44 @@
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From 0dbc2bc96b1ec741bdd43451c286ccd45da3310b Mon Sep 17 00:00:00 2001
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From: Josh Boyer <jwboyer@redhat.com>
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Date: Wed, 2 Nov 2011 14:31:59 -0400
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Subject: [PATCH] sony-laptop: Enable keyboard backlight by default
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When the keyboard backlight support was originally added, the commit said
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to default it to on with a 10 second timeout. That actually wasn't the
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case, as the default value is commented out for the kbd_backlight parameter.
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Because it is a static variable, it gets set to 0 by default without some
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other form of initialization.
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However, it seems the function to set the value wasn't actually called
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immediately, so whatever state the keyboard was in initially would remain.
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Then commit df410d522410e67660 was introduced during the 2.6.39 timeframe to
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immediately set whatever value was present (as well as attempt to
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restore/reset the state on module removal or resume). That seems to have
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now forced the light off immediately when the module is loaded unless
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the option kbd_backlight=1 is specified.
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Let's enable it by default again (for the first time). This should solve
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https://bugzilla.redhat.com/show_bug.cgi?id=728478
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Acked-by: Mattia Dongili <malattia@linux.it>
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Signed-off-by: Josh Boyer <jwboyer@redhat.com>
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---
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drivers/platform/x86/sony-laptop.c | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
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index c006dee..40c4705 100644
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--- a/drivers/platform/x86/sony-laptop.c
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+++ b/drivers/platform/x86/sony-laptop.c
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@@ -127,7 +127,7 @@ MODULE_PARM_DESC(minor,
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"default is -1 (automatic)");
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#endif
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-static int kbd_backlight; /* = 1 */
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+static int kbd_backlight = 1;
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module_param(kbd_backlight, int, 0444);
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MODULE_PARM_DESC(kbd_backlight,
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"set this to 0 to disable keyboard backlight, "
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--
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1.7.7.6
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