linux-wandboard

ALSA: hda/realtek - Add conexant-style inverted dmic handling

To make the parser more generic, a few codes to handle the inverted
stereo dmic in a way Conexant parser does is added in this patch.

The caller should set spec->inv_dmic_split flag appropriately.

Signed-off-by: Takashi Iwai <tiwai@suse.de>