Fix Dell ALC256 headphone Mic recording issue. Default is pcbeep path for 0x1a input.
> -----Original Message----- > From: Takashi Iwai [mailto:[email protected]] > Sent: Tuesday, April 21, 2015 6:03 PM > To: David Henningsson > Cc: [email protected]; Kailang; [email protected]; > [email protected]; [email protected] > Subject: Re: [PATCH] ALSA: hda - fix "num_steps = 0" error on ALC256 > > At Tue, 21 Apr 2015 10:48:46 +0200, > David Henningsson wrote: > > > > The ALC256 does not have a mixer nid at 0x0b, and there's > no loopback > > path (the output pins are directly connected to the DACs). > > > > This commit fixes an "num_steps = 0 for NID=0xb (ctl = Beep > Playback Volume)" > > error (and as a result, problems with amixer/alsamixer). > > > > If there's pcbeep functionality, it certainly isn't controlled by > > setting an amp on 0x0b, so disable beep functionality (at > least for now). > > > > Cc: [email protected] > > BugLink: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1446517 > > Signed-off-by: David Henningsson <[email protected]> > > Applied, thanks. > > > Takashi > > > --- > > sound/pci/hda/patch_realtek.c | 5 +++-- > > 1 file changed, 3 insertions(+), 2 deletions(-) > > > > diff --git a/sound/pci/hda/patch_realtek.c > > b/sound/pci/hda/patch_realtek.c index 231d0e4..03975d03 100644 > > --- a/sound/pci/hda/patch_realtek.c > > +++ b/sound/pci/hda/patch_realtek.c > > @@ -5664,6 +5664,7 @@ static int patch_alc269(struct > hda_codec *codec) > > break; > > case 0x10ec0256: > > spec->codec_variant = ALC269_TYPE_ALC256; > > + spec->gen.mixer_nid = 0; /* ALC256 does not > have any loopback mixer > > +path */ > > break; > > } > > > > @@ -5677,8 +5678,8 @@ static int patch_alc269(struct > hda_codec *codec) > > if (err < 0) > > goto error; > > > > - if (!spec->gen.no_analog && spec->gen.beep_nid) > > - set_beep_amp(spec, 0x0b, 0x04, HDA_INPUT); > > + if (!spec->gen.no_analog && spec->gen.beep_nid && > spec->gen.mixer_nid) > > + set_beep_amp(spec, spec->gen.mixer_nid, 0x04, > HDA_INPUT); > > > > codec->patch_ops = alc_patch_ops; > > codec->patch_ops.stream_pm = snd_hda_gen_stream_pm; > > -- > > 1.9.1 > > > > ------Please consider the environment before printing this e-mail. > ** Attachment added: "0000-alc256-fix-uaj-mic.patch" https://bugs.launchpad.net/bugs/1446517/+attachment/4381929/+files/0000-alc256-fix-uaj-mic.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1446517 Title: "num_steps = 0" error on ALC256 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1446517/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
