Sound Control: expose direct register manipulations to userspace

bump driver version to 3.3

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
Sound Control: Misc clean up for newer WCD9xxx SOCs

Bump driver version to 3.4

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
Sound Control: let register lock be dependent on different hw revisions

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
Sound Control: separate locking mechanism for recording and playback

with newer hardware revisions coming from Qualcomm, single register lock
control isn't sufficient to cover both playback and recording usage scenarios

bump to version 3.5

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>