On Fri, 21 Aug 2020 20:52:20 +0200, Connor McAdams wrote: > > +static int ca0132_alt_add_speaker_channel_cfg_enum(struct hda_codec *codec) > +{ > + struct snd_kcontrol_new knew = > + HDA_CODEC_MUTE_MONO("Output: Channels", > + SPEAKER_CHANNEL_CFG_ENUM, 1, 0, HDA_OUTPUT); This isn't good as a control element name. It's not only specific about the purpose, also the use of a letter like ':' may confuse the user-space tools. Please choose a different name like "Surround Channel Mode", "Surround Channel Config" or such one. thanks, Takashi