ALSA: HDA: Refactor Realtek's automute

Increase readability and understandability in the automute code.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 13 insertions, 0 deletions

diff --git a/sound/pci/hda/alc_quirks.c b/sound/pci/hda/alc_quirks.c
index 2be1129cf458..a18952ed4311 100644
--- a/sound/pci/hda/alc_quirks.c
+++ b/sound/pci/hda/alc_quirks.c
@@ -453,6 +453,19 @@ static void setup_preset(struct hda_codec *codec,
         alc_fixup_autocfg_pin_nums(codec);
 }
 
+static void alc_simple_setup_automute(struct alc_spec *spec, int mode)
+{
+        int lo_pin = spec->autocfg.line_out_pins[0];
+
+        if (lo_pin == spec->autocfg.speaker_pins[0] ||
+                lo_pin == spec->autocfg.hp_pins[0])
+                lo_pin = 0;
+        spec->automute_mode = mode;
+        spec->detect_hp = !!spec->autocfg.hp_pins[0];
+        spec->detect_lo = !!lo_pin;
+        spec->automute_lo = spec->automute_lo_possible = !!lo_pin;
+        spec->automute_speaker = spec->automute_speaker_possible = !!spec->autocfg.speaker_pins[0];
+}
 
 /* auto-toggle front mic */
 static void alc88x_simple_mic_automute(struct hda_codec *codec)