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platform/x86: asus-wmi: fix asus ux303ub brightness issue 

acpi_video0 doesn't work, asus-wmi brightness interface doesn't work, too.
So, we use native brightness interface to handle the brightness adjustion,
and add quirk_asus_ux303ub.

Signed-off-by: zino lin <linzino7@gmail.com>
Acked-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This commit is contained in:
zino lin 2016-08-28 16:12:06 +08:00 committed by Darren Hart
parent fa1bc2a09f
commit 999d4376c6
3 changed files with 17 additions and 0 deletions
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13
drivers/platform/x86/asus-nb-wmi.c
View File

@ -87,6 +87,10 @@ static struct quirk_entry quirk_no_rfkill_wapf4 = {
.no_rfkill = true,
};
static struct quirk_entry quirk_asus_ux303ub = {
.wmi_backlight_native = true,
};
static int dmi_matched(const struct dmi_system_id *dmi)
{
quirks = dmi->driver_data;
@ -351,6 +355,15 @@ static const struct dmi_system_id asus_quirks[] = {
},
.driver_data = &quirk_no_rfkill,
},
{
.callback = dmi_matched,
.ident = "ASUSTeK COMPUTER INC. UX303UB",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
},
.driver_data = &quirk_asus_ux303ub,
},
{},
};

3
drivers/platform/x86/asus-wmi.c
View File

@ -2084,6 +2084,9 @@ static int asus_wmi_add(struct platform_device *pdev)
if (asus->driver->quirks->wmi_backlight_power)
acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
if (asus->driver->quirks->wmi_backlight_native)
acpi_video_set_dmi_backlight_type(acpi_backlight_native);
if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
err = asus_wmi_backlight_init(asus);
if (err && err != -ENODEV)

1
drivers/platform/x86/asus-wmi.h
View File

@ -43,6 +43,7 @@ struct quirk_entry {
bool scalar_panel_brightness;
bool store_backlight_power;
bool wmi_backlight_power;
bool wmi_backlight_native;
int wapf;
/*
* For machines with AMD graphic chips, it will send out WMI event