Sound Control: WCD9320: expose additional controls

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

(cherry picked from commit 0b13477c00e6a0a2f1c1e77eabe58cd6e0b326d1)

(cherry picked from commit e1fb555f7cb75d4f430462c4612c2a35084368ae)
sound control 3.x: Initial GPL release for WCD9320 Audio Codec

This is first official GPL release based on my private implementation.

This release has been tested for xperia Z officially.  It may work
with other devices using the same WCD9320 Audio Codec as well, but not tested

Signed-off-by: Paul Reioux <reioux@gmail.com>
(cherry picked from commit 55132bb2c4cc647f33c127ca01fe767d38720607)

Conflicts:
	sound/soc/codecs/Makefile

(cherry picked from commit 4b09935aae60d985f59bf47711afd1dd620db51a)

Conflicts:
	arch/arm/configs/apq8084_sec_defconfig
sound control: WCD9320: update speaker gain control for Z1

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

(cherry picked from commit 7a24005e84e1db8e57510fecb2df66c0633d0152)

(cherry picked from commit 60383312f8f8103f3f43e123b49c62f3d9f88c55)
sound control 3.x: Initial GPL release for WCD9320 Audio Codec

This is first official GPL release based on my private implementation.

This release has been tested for xperia Z officially.  It may work
with other devices using the same WCD9320 Audio Codec as well, but not tested

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

(cherry picked from commit aec7e99af1bbb61d7a47d9271ee5865224b5d4b3)