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Commit 36c346e1 authored by YueHaibing's avatar YueHaibing Committed by Takashi Iwai
Browse files

ALSA: usb-audio: Remove set but not used variable 'first_ch_bits' 



Fixes gcc '-Wunused-but-set-variable' warning:

sound/usb/mixer.c: In function 'parse_audio_feature_unit':
sound/usb/mixer.c:1838:28: warning:
 variable 'first_ch_bits' set but not used [-Wunused-but-set-variable]

It never used since 2.6

Signed-off-by: default avatarYueHaibing <yuehaibing@huawei.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent fc2a6cf0

sound/usb/mixer.c

+1 −5
Original line number Diff line number Diff line
@@ -1835,7 +1835,7 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, 
{

	int channels, i, j;

	struct usb_audio_term iterm;

	unsigned int master_bits, first_ch_bits;

	unsigned int master_bits;

	int err, csize;

	struct uac_feature_unit_descriptor *hdr = _ftr;

	__u8 *bmaControls;
@@ -1926,10 +1926,6 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, 
		break;



	}

	if (channels > 0)

		first_ch_bits = snd_usb_combine_bytes(bmaControls + csize, csize);

	else

		first_ch_bits = 0;



	if (state->mixer->protocol == UAC_VERSION_1) {

		/* check all control types */