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SubjectRe: [PATCH] platform/x86: asus-wmi: Simplify the keyboard brightness updating process
On Thu, Sep 27, 2018 at 11:52 AM Jian-Hong Pan <jian-hong@endlessm.com> wrote:
>
> The original asus-wmi queues a work which calls the ACPI/WMI methods to
> update the keyboard LED brightness. Similar drivers - acer-wmi,
> dell-wmi-led just call the ACPI/WMI methods directly without workqueues.
>
> This patch simplifies the keyboard brightness updating process which
> calls the kbd_led_update function directly without workqueue in
> asus-wmi.
>

Okay, this wasn't get any comment so far and my brief reading of the
call chain doesn't give me any objections.
I'm about to push this to accepted queue (for-next) since it was
already enough time passed in reviewing and testing queue.

Thanks!

> Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
> ---
> drivers/platform/x86/asus-wmi.c | 14 ++++----------
> 1 file changed, 4 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
> index 2d6e272315a8..9441cce636e6 100644
> --- a/drivers/platform/x86/asus-wmi.c
> +++ b/drivers/platform/x86/asus-wmi.c
> @@ -239,7 +239,6 @@ struct asus_wmi {
> int lightbar_led_wk;
> struct workqueue_struct *led_workqueue;
> struct work_struct tpd_led_work;
> - struct work_struct kbd_led_work;
> struct work_struct wlan_led_work;
> struct work_struct lightbar_led_work;
>
> @@ -456,12 +455,9 @@ static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
> return read_tpd_led_state(asus);
> }
>
> -static void kbd_led_update(struct work_struct *work)
> +static void kbd_led_update(struct asus_wmi *asus)
> {
> int ctrl_param = 0;
> - struct asus_wmi *asus;
> -
> - asus = container_of(work, struct asus_wmi, kbd_led_work);
>
> /*
> * bits 0-2: level
> @@ -516,7 +512,7 @@ static void do_kbd_led_set(struct led_classdev *led_cdev, int value)
> value = 0;
>
> asus->kbd_led_wk = value;
> - queue_work(asus->led_workqueue, &asus->kbd_led_work);
> + kbd_led_update(asus);
> }
>
> static void kbd_led_set(struct led_classdev *led_cdev,
> @@ -671,8 +667,6 @@ static int asus_wmi_led_init(struct asus_wmi *asus)
>
> led_val = kbd_led_read(asus, NULL, NULL);
> if (led_val >= 0) {
> - INIT_WORK(&asus->kbd_led_work, kbd_led_update);
> -
> asus->kbd_led_wk = led_val;
> asus->kbd_led.name = "asus::kbd_backlight";
> asus->kbd_led.flags = LED_BRIGHT_HW_CHANGED;
> @@ -2310,7 +2304,7 @@ static int asus_hotk_resume(struct device *device)
> struct asus_wmi *asus = dev_get_drvdata(device);
>
> if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
> - queue_work(asus->led_workqueue, &asus->kbd_led_work);
> + kbd_led_update(asus);
>
> return 0;
> }
> @@ -2346,7 +2340,7 @@ static int asus_hotk_restore(struct device *device)
> rfkill_set_sw_state(asus->uwb.rfkill, bl);
> }
> if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
> - queue_work(asus->led_workqueue, &asus->kbd_led_work);
> + kbd_led_update(asus);
>
> return 0;
> }
> --
> 2.11.0
>


--
With Best Regards,
Andy Shevchenko

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