On Thu, May 3, 2018 at 6:04 AM, Chris Chiu <chiu@xxxxxxxxxxxx> wrote:
> Some Asus laptops like UX550GE has hotkey (Fn+F7) for keyboard
> backlight toggle. In this UX550GE, the hotkey incremet the level
> of brightness for each keypress from 1 to 3, and then switch it
> off when the brightness has been the max. This commit interprets
> the code 0xc7 generated from hotkey to KEY_KBDILLUMUP to increment
> the brightness, then pass KEY_KBDILLUMTOGGLE to user space after
> the brightness max been reached for switching the led off.
>
Pushed to my review and testing queue, thanks!
> Signed-off-by: Chris Chiu <chiu@xxxxxxxxxxxx>
> Signed-off-by: Jian-Hong Pan <jian-hong@xxxxxxxxxxxx>
> Tested-by: Jian-Hong Pan <jian-hong@xxxxxxxxxxxx>
> ---
>
> Notes:
> v2:
> - Remove redundant 'else' branch logic
>
> drivers/platform/x86/asus-nb-wmi.c | 1 +
> drivers/platform/x86/asus-wmi.c | 5 +++++
> 2 files changed, 6 insertions(+)
>
> diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
> index 136ff2b4cce5..14c502e18579 100644
> --- a/drivers/platform/x86/asus-nb-wmi.c
> +++ b/drivers/platform/x86/asus-nb-wmi.c
> @@ -496,6 +496,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
> { KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
> { KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
> { KE_IGNORE, 0xC6, }, /* Ambient Light Sensor notification */
> + { KE_KEY, 0xC7, { KEY_KBDILLUMTOGGLE } },
> { KE_END, 0},
> };
>
> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
> index 1f6e68f0b646..4a3ba575c9ce 100644
> --- a/drivers/platform/x86/asus-wmi.c
> +++ b/drivers/platform/x86/asus-wmi.c
> @@ -67,6 +67,7 @@ MODULE_LICENSE("GPL");
> #define NOTIFY_BRNDOWN_MAX 0x2e
> #define NOTIFY_KBD_BRTUP 0xc4
> #define NOTIFY_KBD_BRTDWN 0xc5
> +#define NOTIFY_KBD_BRTTOGGLE 0xc7
>
> /* WMI Methods */
> #define ASUS_WMI_METHODID_SPEC 0x43455053 /* BIOS SPECification */
> @@ -1745,6 +1746,10 @@ static void asus_wmi_notify(u32 value, void *context)
> }
> }
>
> + if (code == NOTIFY_KBD_BRTTOGGLE)
> + if (asus->kbd_led_wk < asus->kbd_led.max_brightness)
> + code = NOTIFY_KBD_BRTUP;
> +
> if (is_display_toggle(code) &&
> asus->driver->quirks->no_display_toggle)
> goto exit;
> --
> 2.14.1
>
--
With Best Regards,
Andy Shevchenko
