+/* mute/unmute internal speaker according to the hp jack and mute state */
+static void alc268_acer_automute(struct hda_codec *codec, int force)
+{
+ struct alc_spec *spec = codec->spec;
+ unsigned int mute;
+
+ if (force || !spec->sense_updated) {
+ unsigned int present;
+ present = snd_hda_codec_read(codec, 0x14, 0,
+ AC_VERB_GET_PIN_SENSE, 0);
+ spec->jack_present = (present & 0x80000000) != 0;
+ spec->sense_updated = 1;
+ }
+ if (spec->jack_present)
+ mute = HDA_AMP_MUTE; /* mute internal speaker */
+ else /* unmute internal speaker if necessary */
+ mute = snd_hda_codec_amp_read(codec, 0x14, 0, HDA_OUTPUT, 0);
+ snd_hda_codec_amp_stereo(codec, 0x15, HDA_OUTPUT, 0,
+ HDA_AMP_MUTE, mute);
+}
+
+
+/* bind hp and internal speaker mute (with plug check) */
+static int alc268_acer_master_sw_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ long *valp = ucontrol->value.integer.value;
+ int change;
+
+ change = snd_hda_codec_amp_update(codec, 0x14, 0, HDA_OUTPUT, 0,
+ HDA_AMP_MUTE,
+ valp[0] ? 0 : HDA_AMP_MUTE);
+ change |= snd_hda_codec_amp_update(codec, 0x14, 1, HDA_OUTPUT, 0,
+ HDA_AMP_MUTE,
+ valp[1] ? 0 : HDA_AMP_MUTE);
+ if (change)
+ alc268_acer_automute(codec, 0);
+ return change;
+}