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SubjectRe: [PATCH] platform/x86: asus-wmi: Only Tell EC the OS will handle display hotkeys from asus_nb_wmi
On Tue, May 21, 2019 at 9:28 AM Hans de Goede <hdegoede@redhat.com> wrote:
>
> Commit 78f3ac76d9e5 ("platform/x86: asus-wmi: Tell the EC the OS will
> handle the display off hotkey") causes the backlight to be permanently off
> on various EeePC laptop models using the eeepc-wmi driver (Asus EeePC
> 1015BX, Asus EeePC 1025C).
>
> The asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL) call added
> by that commit is made conditional in this commit and only enabled in
> the quirk_entry structs in the asus-nb-wmi driver fixing the broken
> display / backlight on various EeePC laptop models.
>

Hmm... doesn't apply.

> Cc: João Paulo Rechi Vita <jprvita@endlessm.com>
> Fixes: 78f3ac76d9e5 ("platform/x86: asus-wmi: Tell the EC the OS will handle the display off hotkey")
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
> drivers/platform/x86/asus-nb-wmi.c | 8 ++++++++
> drivers/platform/x86/asus-wmi.c | 2 +-
> drivers/platform/x86/asus-wmi.h | 1 +
> 3 files changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
> index b6f2ff95c3ed..59f3a37a44d7 100644
> --- a/drivers/platform/x86/asus-nb-wmi.c
> +++ b/drivers/platform/x86/asus-nb-wmi.c
> @@ -78,10 +78,12 @@ static bool asus_q500a_i8042_filter(unsigned char data, unsigned char str,
>
> static struct quirk_entry quirk_asus_unknown = {
> .wapf = 0,
> + .wmi_backlight_set_devstate = true,
> };
>
> static struct quirk_entry quirk_asus_q500a = {
> .i8042_filter = asus_q500a_i8042_filter,
> + .wmi_backlight_set_devstate = true,
> };
>
> /*
> @@ -92,26 +94,32 @@ static struct quirk_entry quirk_asus_q500a = {
> static struct quirk_entry quirk_asus_x55u = {
> .wapf = 4,
> .wmi_backlight_power = true,
> + .wmi_backlight_set_devstate = true,
> .no_display_toggle = true,
> };
>
> static struct quirk_entry quirk_asus_wapf4 = {
> .wapf = 4,
> + .wmi_backlight_set_devstate = true,
> };
>
> static struct quirk_entry quirk_asus_x200ca = {
> .wapf = 2,
> + .wmi_backlight_set_devstate = true,
> };
>
> static struct quirk_entry quirk_asus_ux303ub = {
> .wmi_backlight_native = true,
> + .wmi_backlight_set_devstate = true,
> };
>
> static struct quirk_entry quirk_asus_x550lb = {
> + .wmi_backlight_set_devstate = true,
> .xusb2pr = 0x01D9,
> };
>
> static struct quirk_entry quirk_asus_forceals = {
> + .wmi_backlight_set_devstate = true,
> .wmi_force_als_set = true,
> };
>
> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
> index ee1fa93708ec..a66e99500c12 100644
> --- a/drivers/platform/x86/asus-wmi.c
> +++ b/drivers/platform/x86/asus-wmi.c
> @@ -2131,7 +2131,7 @@ static int asus_wmi_add(struct platform_device *pdev)
> err = asus_wmi_backlight_init(asus);
> if (err && err != -ENODEV)
> goto fail_backlight;
> - } else
> + } else if (asus->driver->quirks->wmi_backlight_set_devstate)
> err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);
>
> status = wmi_install_notify_handler(asus->driver->event_guid,
> diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h
> index 6c1311f4b04d..57a79bddb286 100644
> --- a/drivers/platform/x86/asus-wmi.h
> +++ b/drivers/platform/x86/asus-wmi.h
> @@ -44,6 +44,7 @@ struct quirk_entry {
> bool store_backlight_power;
> bool wmi_backlight_power;
> bool wmi_backlight_native;
> + bool wmi_backlight_set_devstate;
> bool wmi_force_als_set;
> int wapf;
> /*
> --
> 2.21.0
>


--
With Best Regards,
Andy Shevchenko

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