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From: Hans de Goede <hdegoede@redhat.com>
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Date: Fri, 9 Jan 2015 15:28:29 +0100
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Subject: [PATCH] acpi-video: Add disable_native_backlight quirk for Samsung
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730U3E/740U3E
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The Samsung 730U3E/740U3E has integrated ATI Radeon graphics, and backlight
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control does not work properly when using the native interfaces.
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BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1094948
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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drivers/acpi/video.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
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index 5b9c0bae4503..998c47f6d42b 100644
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--- a/drivers/acpi/video.c
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+++ b/drivers/acpi/video.c
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@@ -522,6 +522,15 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
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DMI_MATCH(DMI_PRODUCT_NAME, "370R4E/370R4V/370R5E/3570RE/370R5V"),
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},
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},
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+ {
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+ /* https://bugzilla.redhat.com/show_bug.cgi?id=1094948 */
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+ .callback = video_disable_native_backlight,
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+ .ident = "SAMSUNG 730U3E/740U3E",
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+ .matches = {
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+ DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
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+ DMI_MATCH(DMI_PRODUCT_NAME, "730U3E/740U3E"),
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+ },
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+ },
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{
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/* https://bugzilla.redhat.com/show_bug.cgi?id=1163574 */
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--
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2.1.0
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