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Commit 1a4e34e6 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: usb-audio - Fix an unused-variable compile warning 



Used only when CONFIG_SND_DEBUG=y
  sound/usb/mixer.c: In function 'get_min_max':
  sound/usb/mixer.c:762: warning: unused variable 'chip'

Reported-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 645ef9ef

sound/usb/mixer.c

+1 −3
Original line number Original line Diff line number Diff line
@@ -759,8 +759,6 @@ static void usb_mixer_elem_free(struct snd_kcontrol *kctl) 
 */

 */

static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)

static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)

{

{

	struct snd_usb_audio *chip = cval->mixer->chip;



	/* for failsafe */

	/* for failsafe */

	cval->min = default_min;

	cval->min = default_min;

	cval->max = cval->min + 1;

	cval->max = cval->min + 1;
@@ -783,7 +781,7 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min) 
		if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 ||

		if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 ||

		    get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) {

		    get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) {

			snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n",

			snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n",

				   cval->id, snd_usb_ctrl_intf(chip), cval->control, cval->id);

				   cval->id, snd_usb_ctrl_intf(cval->mixer->chip), cval->control, cval->id);

			return -EINVAL;

			return -EINVAL;

		}

		}

		if (get_ctl_value(cval, UAC_GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) {

		if (get_ctl_value(cval, UAC_GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) {