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SubjectRe: [PATCH] platform/x86: asus-wmi: Only Tell EC the OS will handle display hotkeys from asus_nb_wmi
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Hi,

On 24-05-19 18:43, Andy Shevchenko wrote:
> 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.

That is likely because your review-andy branch contain a whole-bunch
of asus-wmi patches.

Since this is a patch fixing a regression this should go to the fixes
branch. As the other patches so far are only in your review-andy branch
it is probably best to merge this patch to for-next + fixes first and
then rebase the set you have in review-andy on top, so that this can go
to fixes without getting a merge conflict when the rest of the patches
show up...

Regards,

Hans







>
>> 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
>>
>
>

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