[kernel/f20] Add disable_native_backlight quirk for Samsung 510R (rhbz 1186097)

[Justin M. Forbes]

commit 4887e6b924129ce853e462cd11f56501fd70f549
Author: Justin M. Forbes <jforbes at redhat.com>
Date:   Wed Feb 11 12:33:45 2015 -0600

    Add disable_native_backlight quirk for Samsung 510R (rhbz 1186097)

 ...e_native_backlight_quirk_for_samsung_510r.patch |   39 ++++++++++++++++++++
 kernel.spec                                        |    7 ++++
 2 files changed, 46 insertions(+), 0 deletions(-)
---
diff --git a/acpi-video-add-disable_native_backlight_quirk_for_samsung_510r.patch b/acpi-video-add-disable_native_backlight_quirk_for_samsung_510r.patch
new file mode 100644
index 0000000..9a123dd
--- /dev/null
+++ b/acpi-video-add-disable_native_backlight_quirk_for_samsung_510r.patch
@@ -0,0 +1,39 @@
+From b29c0d36da67a64f5de1fe167c0b807815aa1da4 Mon Sep 17 00:00:00 2001
+From: Hans de Goede <hdegoede at redhat.com>
+Date: Wed, 4 Feb 2015 14:44:51 +0100
+Subject: [PATCH 2/2] acpi-video: Add disable_native_backlight quirk for
+ Samsung 510R
+
+Backlight control through the native intel interface does not work properly
+on the Samsung 510R, where as using the acpi_video interface does work, add
+a quirk for this.
+
+BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1186097
+Signed-off-by: Hans de Goede <hdegoede at redhat.com>
+---
+ drivers/acpi/video.c | 9 +++++++++
+ 1 file changed, 9 insertions(+)
+
+diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
+index 497d986..88a4f99 100644
+--- a/drivers/acpi/video.c
++++ b/drivers/acpi/video.c
+@@ -523,6 +523,15 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
+ 		},
+ 	},
+ 	{
++	 /* https://bugzilla.redhat.com/show_bug.cgi?id=1186097 */
++	 .callback = video_disable_native_backlight,
++	 .ident = "SAMSUNG 3570R/370R/470R/450R/510R/4450RV",
++	 .matches = {
++		DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
++		DMI_MATCH(DMI_PRODUCT_NAME, "3570R/370R/470R/450R/510R/4450RV"),
++		},
++	},
++	{
+ 	 /* https://bugzilla.redhat.com/show_bug.cgi?id=1094948 */
+ 	 .callback = video_disable_native_backlight,
+ 	 .ident = "SAMSUNG 730U3E/740U3E",
+-- 
+2.1.0
+
diff --git a/kernel.spec b/kernel.spec
index 196a9b5..3eb06d7 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -755,6 +755,9 @@ Patch30002: ipv4-try-to-cache-dst_entries-which-would-cause-a-re.patch
 #rhbz 1188074
 Patch30003: 0001-ntp-Fixup-adjtimex-freq-validation-on-32bit-systems.patch
 
+#rhbz 1186097
+Patch30004: acpi-video-add-disable_native_backlight_quirk_for_samsung_510r.patch
+
 # END OF PATCH DEFINITIONS
 
 %endif
@@ -1473,6 +1476,9 @@ ApplyPatch ipv4-try-to-cache-dst_entries-which-would-cause-a-re.patch
 #rhbz 1188074
 ApplyPatch 0001-ntp-Fixup-adjtimex-freq-validation-on-32bit-systems.patch
 
+#rhbz 1186097
+ApplyPatch acpi-video-add-disable_native_backlight_quirk_for_samsung_510r.patch
+
 %if 0%{?aarch64patches}
 ApplyPatch kernel-arm64.patch
 %ifnarch aarch64 # this is stupid, but i want to notice before secondary koji does.
@@ -2293,6 +2299,7 @@ fi
 %changelog
 * Wed Feb 11 2015 Justin M. Forbes <jforbes at fedoraproject.org> - 3.18.7-100
 - Linux v3.18.7
+- Add disable_native_backlight quirk for Samsung 510R (rhbz 1186097)
 
 * Fri Feb 06 2015 Justin M. Forbes <jforbes at fedoraproject.org> - 3.18.6-100
 - Linux v3.18.6