On Wed, Jun 10, 2015 at 03:01:14PM +0200, Hans de Goede wrote:
> Port the backlight selection logic to the new backlight interface
> selection API.
>
> This commit also removes various obsolete pr_xxx messages related to
> backlight interface selection. These are obsolete because they assume
> there is only a vendor or acpi backlight driver and no other choice.
> Also they are not necessary, if the user wants to know which backlight
> interfaces are registered a simple "ls /sys/class/backlight" suffices.
>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Reviewed-by: Lee, Chun-Yi <jlee@xxxxxxxx>
Thanks a lot!
Joey Lee
> ---
> drivers/platform/x86/acer-wmi.c | 10 +++-------
> 1 file changed, 3 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
> index 3ac29a1..f6b280d 100644
> --- a/drivers/platform/x86/acer-wmi.c
> +++ b/drivers/platform/x86/acer-wmi.c
> @@ -2246,14 +2246,10 @@ static int __init acer_wmi_init(void)
> set_quirks();
>
> if (dmi_check_system(video_vendor_dmi_table))
> - acpi_video_dmi_promote_vendor();
> - if (acpi_video_backlight_support()) {
> + acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
> +
> + if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
> interface->capability &= ~ACER_CAP_BRIGHTNESS;
> - pr_info("Brightness must be controlled by acpi video driver\n");
> - } else {
> - pr_info("Disabling ACPI video driver\n");
> - acpi_video_unregister_backlight();
> - }
>
> if (wmi_has_guid(WMID_GUID3)) {
> if (ec_raw_mode) {
> --
> 2.4.2
>
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