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| author | YueHaibing <yuehaibing@huawei.com> | 2019-01-09 02:20:16 +0000 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-01-09 10:32:18 +0100 |
| commit | 36c346e1c5819115d3ffe6b81d853a061530fe4b (patch) | |
| tree | 9ecc2597a443e7f86b486ec412c5278e2c888997 /sound/usb | |
| parent | fc2a6cf060d0c6feeb3719bf40088e48c5926e40 (diff) | |
| download | linux-36c346e1c5819115d3ffe6b81d853a061530fe4b.tar.bz2 | |
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: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/mixer.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index e7d441d0e839..8ad1a24c8f28 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -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 */ |