1 files changed, 31 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 71e4bad06345..e9ebc7bd752c 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -43,6 +43,7 @@ struct conexant_spec {
         unsigned int num_eapds;
         hda_nid_t eapds[4];
         bool dynamic_eapd;
+        hda_nid_t mute_led_eapd;
 
         unsigned int parse_flags; /* flag for snd_hda_parse_pin_defcfg() */
 
@@ -163,6 +164,17 @@ static void cx_auto_vmaster_hook(void *private_data, int enabled)
         cx_auto_turn_eapd(codec, spec->num_eapds, spec->eapds, enabled);
 }
 
+/* turn on/off EAPD according to Master switch (inversely!) for mute LED */
+static void cx_auto_vmaster_hook_mute_led(void *private_data, int enabled)
+{
+        struct hda_codec *codec = private_data;
+        struct conexant_spec *spec = codec->spec;
+
+        snd_hda_codec_write(codec, spec->mute_led_eapd, 0,
+                            AC_VERB_SET_EAPD_BTLENABLE,
+                            enabled ? 0x00 : 0x02);
+}
+
 static int cx_auto_build_controls(struct hda_codec *codec)
 {
         int err;
@@ -223,6 +235,7 @@ enum {
         CXT_FIXUP_TOSHIBA_P105,
         CXT_FIXUP_HP_530,
         CXT_FIXUP_CAP_MIX_AMP_5047,
+        CXT_FIXUP_MUTE_LED_EAPD,
 };
 
 /* for hda_fixup_thinkpad_acpi() */
@@ -557,6 +570,18 @@ static void cxt_fixup_olpc_xo(struct hda_codec *codec,
         }
 }
 
+static void cxt_fixup_mute_led_eapd(struct hda_codec *codec,
+                                    const struct hda_fixup *fix, int action)
+{
+        struct conexant_spec *spec = codec->spec;
+
+        if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+                spec->mute_led_eapd = 0x1b;
+                spec->dynamic_eapd = 1;
+                spec->gen.vmaster_mute.hook = cx_auto_vmaster_hook_mute_led;
+        }
+}
+
 /*
  * Fix max input level on mixer widget to 0dB
  * (originally it has 0x2b steps with 0dB offset 0x14)
@@ -705,6 +730,10 @@ static const struct hda_fixup cxt_fixups[] = {
                 .type = HDA_FIXUP_FUNC,
                 .v.func = cxt_fixup_cap_mix_amp_5047,
         },
+        [CXT_FIXUP_MUTE_LED_EAPD] = {
+                .type = HDA_FIXUP_FUNC,
+                .v.func = cxt_fixup_mute_led_eapd,
+        },
 };
 
 static const struct snd_pci_quirk cxt5045_fixups[] = {
@@ -762,6 +791,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
         SND_PCI_QUIRK(0x17aa, 0x21cf, "Lenovo T520", CXT_PINCFG_LENOVO_TP410),
         SND_PCI_QUIRK(0x17aa, 0x21da, "Lenovo X220", CXT_PINCFG_LENOVO_TP410),
         SND_PCI_QUIRK(0x17aa, 0x21db, "Lenovo X220-tablet", CXT_PINCFG_LENOVO_TP410),
+        SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo IdeaPad Z560", CXT_FIXUP_MUTE_LED_EAPD),
         SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
         SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC),
         SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC),
@@ -780,6 +810,7 @@ static const struct hda_model_fixup cxt5066_fixup_models[] = {
         { .id = CXT_PINCFG_LEMOTE_A1004, .name = "lemote-a1004" },
         { .id = CXT_PINCFG_LEMOTE_A1205, .name = "lemote-a1205" },
         { .id = CXT_FIXUP_OLPC_XO, .name = "olpc-xo" },
+        { .id = CXT_FIXUP_MUTE_LED_EAPD, .name = "mute-led-eapd" },
         {}
 };