On 02/03/2014 06:59 PM, Mika Westerberg wrote:
> On HP EliteBook Revolve 810 the ACPI backlight device doesn't work as
> expected. For example when resuming from system sleep, it seems to lose
> backlight settings.
>
> Forcing Intel driver fixes the problem so add this machine the ACPI
> video detect blacklist.
For reference's purpose, can you please file a bug to kernel bugzilla
under the ACPI/Power-Video category and attach the acpidump and dmesg
there? Thanks.
-Aaron
>
> Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> ---
> 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 f0447d3daf2c..a697b77b8865 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -170,6 +170,14 @@ static struct dmi_system_id video_detect_dmi_table[] = {
> },
> {
> .callback = video_detect_force_vendor,
> + .ident = "HP EliteBook Revolve 810",
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
> + DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook Revolve 810 G1"),
> + },
> + },
> + {
> + .callback = video_detect_force_vendor,
> .ident = "Lenovo Yoga 13",
> .matches = {
> DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
>
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