On Fri, 29 Oct 2021 17:43:13 +0200, Jonathan Clarke wrote: > > BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=210633 > Signed-off-by: Jonathan Clarke <jonathan.a.clarke@xxxxxxxxx> Could you give more descriptions? The patch isn't trivial at all, and it needs more explanations. > --- > sound/pci/hda/patch_realtek.c | 46 +++++++++++++++++++++++++++++++++++ > 1 file changed, 46 insertions(+) > > diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c > index 22d27b12c..e3c6d17ea 100644 > --- a/sound/pci/hda/patch_realtek.c > +++ b/sound/pci/hda/patch_realtek.c > @@ -4409,6 +4409,13 @@ static void alc245_fixup_hp_x360_amp(struct hda_codec *codec, > case HDA_FIXUP_ACT_PRE_PROBE: > spec->gpio_mask |= 0x01; > spec->gpio_dir |= 0x01; > + > + /* use only amp at 0x02 for bottom(front) speaker, > + * otherwise it is set to use 0x02,0x03,0x06 and when used in conjunction > + * with top(rear) speaker 0x14, gets locked at full volume */ > + static const hda_nid_t conn1[] = { 0x02 }; > + snd_hda_override_conn_list(codec, 0x17, ARRAY_SIZE(conn1), conn1); > + > break; > case HDA_FIXUP_ACT_INIT: > /* need to toggle GPIO to enable the amp */ > @@ -4503,6 +4510,26 @@ static void alc236_fixup_hp_mute_led_coefbit(struct hda_codec *codec, > } > } > > +static void alc245_fixup_hp_x360_mute_leds(struct hda_codec *codec, > + const struct hda_fixup *fix, int action) > +{ > + struct alc_spec *spec = codec->spec; > + if (action == HDA_FIXUP_ACT_PRE_PROBE) { > + /* mic mute is set via gpio 0x04 */ > + spec->micmute_led_polarity = 1; > + codec->power_filter = led_power_filter; > + alc_fixup_hp_gpio_led(codec, action, 0x00, 0x04); > + > + /* output mute is set via SET_COEF_INDEX,SET_PROC_COEF */ > + spec->mute_led_polarity = 0; > + spec->mute_led_coef.idx = 0x0b; > + spec->mute_led_coef.mask = 0xffff; > + spec->mute_led_coef.on = 0xa02f; > + spec->mute_led_coef.off = 0x7774; > + snd_hda_gen_add_mute_led_cdev(codec, coef_mute_led_set); I guess this COEF isn't only about mute-LED but actually does mute the output? IIRC, the bit 0x08 corresponds to the LED. If so, it's better to split. Basically this snd_hda_gen_add_mute_led_cdev() and mute_led_coef stuff are only for the mute LED control. e.g. you can change the mute LED independently via sysfs. thanks, Takashi