* [PATCH] ACPI: video: Add backlight=native DMI quirk for Acer Aspire 3830TG
@ 2023-03-20 15:59 Hans de Goede
2023-03-20 18:13 ` Rafael J. Wysocki
0 siblings, 1 reply; 2+ messages in thread
From: Hans de Goede @ 2023-03-20 15:59 UTC (permalink / raw)
To: Rafael J . Wysocki, Len Brown; +Cc: Hans de Goede, linux-acpi
The Acer Aspire 3830TG predates Windows 8, so it defaults to using
acpi_video# for backlight control, but this is non functional on
this model.
Add a DMI quirk to use the native backlight interface which does
work properly.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
drivers/acpi/video_detect.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 710ac640267d..c69b42a60427 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -495,6 +495,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
},
},
+ {
+ .callback = video_detect_force_native,
+ /* Acer Aspire 3830TG */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3830TG"),
+ },
+ },
{
.callback = video_detect_force_native,
/* Acer Aspire 4810T */
--
2.39.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ACPI: video: Add backlight=native DMI quirk for Acer Aspire 3830TG
2023-03-20 15:59 [PATCH] ACPI: video: Add backlight=native DMI quirk for Acer Aspire 3830TG Hans de Goede
@ 2023-03-20 18:13 ` Rafael J. Wysocki
0 siblings, 0 replies; 2+ messages in thread
From: Rafael J. Wysocki @ 2023-03-20 18:13 UTC (permalink / raw)
To: Hans de Goede; +Cc: Rafael J . Wysocki, Len Brown, linux-acpi
On Mon, Mar 20, 2023 at 4:59 PM Hans de Goede <hdegoede@redhat.com> wrote:
>
> The Acer Aspire 3830TG predates Windows 8, so it defaults to using
> acpi_video# for backlight control, but this is non functional on
> this model.
>
> Add a DMI quirk to use the native backlight interface which does
> work properly.
>
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
> drivers/acpi/video_detect.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index 710ac640267d..c69b42a60427 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -495,6 +495,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
> DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
> },
> },
> + {
> + .callback = video_detect_force_native,
> + /* Acer Aspire 3830TG */
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
> + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3830TG"),
> + },
> + },
> {
> .callback = video_detect_force_native,
> /* Acer Aspire 4810T */
> --
Applied as 6.3-rc material, thanks!
^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-03-20 18:13 ` Rafael J. Wysocki
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