Like the Xiaomi Mi Pad 2 these 3 Lenovo x86 Android tablet models also
use a TI LP8557 backlight controller in direct I2C brightness register
control mode.
Add "vendor" quirks for these 3 models to disable the non-working
native / acpi_video backlight devices.
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/acpi/video_detect.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 889902a4fdfe..67aa160c6b76 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -801,6 +801,38 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
* devices do not use vendor control in the typical meaning of
* vendor specific SMBIOS or ACPI calls being used.
*/
+ {
+ .callback = video_detect_force_vendor,
+ /* Lenovo Yoga Book X90F / X90L */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "YETI-11"),
+ },
+ },
+ {
+ .callback = video_detect_force_vendor,
+ /*
+ * Lenovo Yoga Tablet 2 830F/L or 1050F/L (The 8" and 10"
+ * Lenovo Yoga Tablet 2 use the same mainboard)
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"),
+ DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
+ /* Partial match on beginning of BIOS version */
+ DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21"),
+ },
+ },
+ {
+ .callback = video_detect_force_vendor,
+ /* Lenovo Yoga Tab 3 Pro YT3-X90F */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Blade3-10A-001"),
+ },
+ },
{
.callback = video_detect_force_vendor,
/* Xiaomi Mi Pad 2 */
--
2.41.0
