On Sun, Apr 04, 2021 at 04:31:59PM +0800, Perry Yuan wrote: > +static bool micmute_led_set; > +static int dmi_matched(const struct dmi_system_id *dmi) > +{ > + micmute_led_set = 1; > + return 1; > +} This isn't how we usually record DMI quirks, usually we'd query once on probe and store the data in the driver data struct - see other users for examples. > @@ -358,6 +388,7 @@ static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol, > unsigned int mask = (1 << fls(max)) - 1; > + dmi_check_system(micmute_led_dmi_table); > + if (invert && micmute_led_set) { This check for invert is odd and could probably use a comment.
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