On Thu, 13 Oct 2016 09:49:35 +0200, libin.yang@xxxxxxxxxxxxxxx wrote: > > From: Libin Yang <libin.yang@xxxxxxxxxxxxxxx> > > Add snd_hda_get_dev_select() and snd_hda_set_dev_select() functions > for DP MST audio support. > > Signed-off-by: Libin Yang <libin.yang@xxxxxxxxxxxxxxx> > --- > sound/pci/hda/hda_codec.c | 73 ++++++++++++++++++++++++++++++++++++++++++++--- > sound/pci/hda/hda_codec.h | 3 ++ > 2 files changed, 72 insertions(+), 4 deletions(-) > > diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c > index 9913be8..caa2c9d 100644 > --- a/sound/pci/hda/hda_codec.c > +++ b/sound/pci/hda/hda_codec.c > @@ -311,9 +311,16 @@ int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux, > } > EXPORT_SYMBOL_GPL(snd_hda_get_conn_index); > > - > -/* return DEVLIST_LEN parameter of the given widget */ > -static unsigned int get_num_devices(struct hda_codec *codec, hda_nid_t nid) > +/** > + * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget > + * @codec: the HDA codec > + * @nid: NID of the pin to parse > + * > + * Get the device entry number on the given widget. > + * This is a feature of DP MST audio. Each pin can > + * have several device entries in it. Try to fill more letters aligned in 80 columns, as we don't need to write a Haiku here. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel