On Mon, Nov 26, 2018 at 7:13 PM Takashi Iwai <tiwai@xxxxxxx> wrote:
>
> In the upcoming change, the binding of audio mute / mic-mute LED
> controls will be switched with LED trigger. This patch is the last
> piece of preparation: adding the audio mute / mic-mute LED class
> devices to thinkpad_acpi driver.
>
> Two devices, tpacpi::mute and tpacpi::micmute, will be added for
> controlling the mute LED and mic-mute LED, respectively.
>
> Also this selects CONFIG_LEDS_TRIGGERS and CONFIG_LEDS_TRIGGERS_AUDIO
> unconditionally. Strictly speaking, these aren't 100% mandatory, but
> leaving these manual selections would lead to a functional regression
> easily once after converting from the dynamic symbol binding to the
> LEDs trigger in a later patch.
> + if (!ACPI_SUCCESS(acpi_get_handle(hkey_handle, t->name, &temp))) {
ACPI_FAILURE()
> t->state = -ENODEV;
> + continue;
> + }
> + err = led_classdev_register(&tpacpi_pdev->dev, &mute_led_cdev[i]);
> + if (err < 0) {
> + while (--i >= 0)
Needs { } due to two liner below.
Might be converted to simple
while (i--) {
...
}
btw.
> + if (led_tables[i].state >= 0)
> + led_classdev_unregister(&mute_led_cdev[i]);
> + return err;
> + }
--
With Best Regards,
Andy Shevchenko
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