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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -759,8 +759,6 @@ static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
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*/
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static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
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{
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struct snd_usb_audio *chip = cval->mixer->chip;
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/* for failsafe */
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cval->min = default_min;
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cval->max = cval->min + 1;
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@ -783,7 +781,7 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
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if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 ||
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get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) {
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snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n",
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cval->id, snd_usb_ctrl_intf(chip), cval->control, cval->id);
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cval->id, snd_usb_ctrl_intf(cval->mixer->chip), cval->control, cval->id);
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return -EINVAL;
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}
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if (get_ctl_value(cval, UAC_GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) {
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