diff options
| author | Yao-Wen Mao <yaowen@google.com> | 2015-08-28 16:33:25 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-09-29 19:33:21 +0200 |
| commit | ca60b2e7e710abd7eac45b868f2563531e6b17f0 (patch) | |
| tree | 9e40f826497dadb74c4862b861e8c55701d3b585 /sound | |
| parent | 7ecccd51d11095f5cd51589b8f3eaafad4111dcf (diff) | |
ALSA: usb-audio: correct the value cache check.
commit 6aa6925cad06159dc6e25857991bbc4960821242 upstream.
The check of cval->cached should be zero-based (including master channel).
Signed-off-by: Yao-Wen Mao <yaowen@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/mixer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 6b3acba5da7a..83d6e76435b4 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -2522,7 +2522,7 @@ static int restore_mixer_value(struct usb_mixer_elem_list *list) for (c = 0; c < MAX_CHANNELS; c++) { if (!(cval->cmask & (1 << c))) continue; - if (cval->cached & (1 << c)) { + if (cval->cached & (1 << (c + 1))) { err = snd_usb_set_cur_mix_value(cval, c + 1, idx, cval->cache_val[idx]); if (err < 0) |