How to use amixer to change freely between Headphone and Spk for L3.0.35 wm8962 codec

[#1]

Add kcontrol API for Headphone Jack and Spk for WM8962, from this kcontrol, you can use amixer to change freely between Headphone and Spk.

The names of the mixers

1: HP Function

2: SPK Function

amixer controls:

numid=62,iface=MIXER,name='HP Function'

numid=63,iface=MIXER,name='SPK Function'

1:

How to enable HeadPhone using this Kcontrol:

amixer cget numid=62

numid=62,iface=MIXER,name='HP Function'

   ; type=ENUMERATED,access=rw------,values=1,items=2

   ; Item #0 'off'

   ; Item #1 'on'

   : values=0

amixer cset numid=62 1 //enable HP

numid=62,iface=MIXER,name='HP Function'

   ; type=ENUMERATED,access=rw------,values=1,items=2

   ; Item #0 'off'

   ; Item #1 'on'

   : values=1

2:

How to enable Speaker using this Kcontrol:

amixer cget numid=63

numid=63,iface=MIXER,name='SPK Function'

   ; type=ENUMERATED,access=rw------,values=1,items=2

   ; Item #0 'off'

   ; Item #1 'on'

   : values=0

amixer cset numid=63 1 //SPK enable

numid=63,iface=MIXER,name='SPK Function'

   ; type=ENUMERATED,access=rw------,values=1,items=2

   ; Item #0 'off'

   ; Item #1 'on'

   : values=1