When writing out a stereo control we discard the change notification from the first channel, meaning that events are only generated based on changes to the second channel. Ensure that we report a change if either channel has changed.

Signed-off-by: Mark Brown broonie@kernel.org Cc: stable@vger.kernel.org --- sound/soc/soc-ops.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c index fefd4f34cbc1..6b922d12afb5 100644 --- a/sound/soc/soc-ops.c +++ b/sound/soc/soc-ops.c @@ -874,6 +874,7 @@ int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, unsigned long mask = (1UL<<mc->nbits)-1; long max = mc->max; long val = ucontrol->value.integer.value[0]; + int ret = 0; unsigned int i;

if (invert) @@ -886,9 +887,11 @@ int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, regmask, regval); if (err < 0) return err; + if (err > 0) + ret = err; }

- return 0; + return ret; } EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx);