On Wednesday, July 12, 2017 05:45:57 PM Alex Hung wrote:
> Dell OptiPlex 9020M is a micro PC desktop that has no built-in
> LCD panel and it's acpi_video does not work.
>
> Signed-off-by: Alex Hung <alex.hung@xxxxxxxxxxxxx>
> ---
> drivers/acpi/video_detect.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index d179e8d..601e5d3 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"),
> + },
> + },
> { },
> };
>
>
Applied, thanks!
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