[PATCH] ALSA: hda/realtek: Restore headset mic after suspend for Acer Nitro 5

[Breno Baptista <brenomb07@gmail.com>]

The headset mic on the AN515-57 was shown as unplugged after resuming
from S3/S4, requiring a reboot to recover.

Signed-off-by: Breno Baptista <brenomb07@gmail.com>
---
 sound/hda/codecs/realtek/alc269.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index 11d0ea8ed859..449a5ab3b0d0 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -3578,6 +3578,16 @@ static void alc2xx_fixup_headset_mic(struct hda_codec *codec,
 		alc_update_coef_idx(codec, 0x45, 0xf<<12 | 1<<10, 5<<12);
 		spec->parse_flags |= HDA_PINCFG_HEADSET_MIC;
 		break;
+	case HDA_FIXUP_ACT_INIT:
+		/*
+		 * COEF 0x45 (CTIA combo jack mode) is not preserved across suspend.
+		 * Restore it before restarting HP JD so the headset is re-detected.
+		 */
+		if (is_s3_resume(codec) || is_s4_resume(codec)) {
+			alc_update_coef_idx(codec, 0x45, 0xf<<12 | 1<<10, 5<<12);
+			alc_combo_jack_hp_jd_restart(codec);
+		}
+		break;
 	}
 }
 
-- 
2.54.0