Re: [PATCH v2 1/2] ALSA: usb-audio: Add QUIRK_FLAG_MIXER_GET_CUR_BROKEN

[Takashi Iwai]

On Wed, 27 May 2026 20:56:27 +0200,
Rong Zhang wrote:
> 
> @@ -1258,6 +1261,16 @@ static int check_sticky_volume_control(struct usb_mixer_elem_info *cval,
>  			return 0;
>  	}
>  
> +	if (cval->head.mixer->chip->quirk_flags & QUIRK_FLAG_MIXER_GET_CUR_BROKEN) {
> +		usb_audio_warn(cval->head.mixer->chip,
> +			       "%d:%d: broken mixer GET_CUR (%d/%d/%d => %d)\n",
> +			       cval->head.id, mixer_ctrl_intf(cval->head.mixer),
> +			       cval->min, cval->max, cval->res, saved);
> +

IMO, it's better to be usb_audio_info().  Otherwise it leads to an
unnecessary caution.  Basically the behavior is expected, so there is
nothing to worry about that.


thanks,

Takashi