Rename from override_pin and cur_pin with user_pin and driver_pin,
respectively, to be a bit more intuitive.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Added the brief descriptions of new sysfs entries for pint default
config values.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Update documentation regarding codec probing; the new probe_only option
and the new probe_mask usage.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

The model list is now in HD-Audio-Models.txt.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

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

Fixed typos and added a section about codecgraph.
Thanks to Vedran Miletić and Daniel T Chen for suggestions.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Minor typo-fixes and improvements on HD-Audio.txt.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

The file can be converted to PDF via asciidoc.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>