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: stable@xxxxxxxxxxxxxxx > BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1446517 > Signed-off-by: David Henningsson <david.henningsson@xxxxxxxxxxxxx> 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 > -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html