If there are no internal speakers, we should not turn the eapd switch off, because it might be necessary to keep high for Headphone.
BugLink: https://bugs.launchpad.net/bugs/1155016 Signed-off-by: David Henningsson <david.hennings...@canonical.com> --- sound/pci/hda/patch_sigmatel.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) Hi Takashi, I encountered the bug when working with a pre-release machine (so no alsa-info, unfortunately). Feel free to commit if you think this is a good idea. Or can you think of a use case where this would cause a regression? diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index d57c81e..66200ea8 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -3524,6 +3524,31 @@ static int stac_parse_auto_config(struct hda_codec *codec) if (err < 0) return err; + /* Don't GPIO-mute speakers if there are no internal speakers, because + the GPIO might be necessary for Headphone */ + if (spec->eapd_switch) { + hda_nid_t *nid_pin; + int nids, i; + bool found = false; + if (spec->gen.autocfg.line_out_type == AUTO_PIN_SPEAKER_OUT) { + nid_pin = spec->gen.autocfg.line_out_pins; + nids = spec->gen.autocfg.line_outs; + } else { + nid_pin = spec->gen.autocfg.speaker_pins; + nids = spec->gen.autocfg.speaker_outs; + } + for (i = 0; i < nids; i++) { + unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid_pin[i]); + unsigned int attr = snd_hda_get_input_pin_attr(def_conf); + if (attr == INPUT_PIN_ATTR_INT) { + found = true; + break; + } + } + if (!found) + spec->eapd_switch = 0; + } + /* minimum value is actually mute */ spec->gen.vmaster_tlv[3] |= TLV_DB_SCALE_MUTE; -- 1.7.9.5 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1155016 Title: Headphone not working on a desktop machine To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1155016/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
