3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: Yao-Wen Mao <[email protected]>

commit 6aa6925cad06159dc6e25857991bbc4960821242 upstream.

The check of cval->cached should be zero-based (including master channel).

Signed-off-by: Yao-Wen Mao <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 sound/usb/mixer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 8b7e391..cd8ed2e 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)
-- 
1.9.1

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