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: sta...@vger.kernel.org BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1446517 Signed-off-by: David Henningsson <david.hennings...@canonical.com> --- 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 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1446517 Title: "num_steps = 0" error on ALC256 Status in linux package in Ubuntu: In Progress Bug description: This bug is used for tracking, please do not triage. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1446517/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
