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authorAlex Hung <alex.hung@canonical.com>2017-07-12 17:45:57 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-07-16 02:27:23 +0200
commit1f59ab2783aed04f1318b840950801e38b2bebdf (patch)
tree8825dbb6d410daf45c287e891ac387d894b5ff6e /drivers/acpi/video_detect.c
parent5771a8c08880cdca3bfb4a3fc6d309d6bba20877 (diff)
downloadlinux-1f59ab2783aed04f1318b840950801e38b2bebdf.tar.bz2
ACPI / video: Add force_none quirk for Dell OptiPlex 9020M
Dell OptiPlex 9020M is a micro PC desktop that has no built-in LCD panel and its acpi_video does not work. Signed-off-by: Alex Hung <alex.hung@canonical.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/video_detect.c')
-rw-r--r--drivers/acpi/video_detect.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index d179e8d9177d..601e5d372887 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -103,6 +103,12 @@ static int video_detect_force_native(const struct dmi_system_id *d)
return 0;
}
+static int video_detect_force_none(const struct dmi_system_id *d)
+{
+ acpi_backlight_dmi = acpi_backlight_none;
+ return 0;
+}
+
static const struct dmi_system_id video_detect_dmi_table[] = {
/* On Samsung X360, the BIOS will set a flag (VDRV) if generic
* ACPI backlight device is used. This flag will definitively break
@@ -313,6 +319,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
},
},
+ {
+ .callback = video_detect_force_none,
+ .ident = "Dell OptiPlex 9020M",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 9020M"),
+ },
+ },
{ },
};