ASoC: core: Return -ENOTSUPP instead of -EINVAL if mute is not supported

This helps us ignore errors in callers if the operation failed due to not
being available as opposed to an error.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
This commit is contained in:
Mark Brown 2012-04-13 19:16:03 +01:00
commit 04570c628f