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Commit b896b4eb authored by Kailang Yang's avatar Kailang Yang Committed by Takashi Iwai
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ALSA: hda - Fix no sound after Windows boot with ALC269 



Change power control register to default.

Signed-off-by: default avatarKailang Yang <kailang@realtek.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 296f0338

sound/pci/hda/patch_realtek.c

+9 −2
Original line number Diff line number Diff line
@@ -15193,14 +15193,21 @@ static int alc269_fill_coef(struct hda_codec *codec) 
		val = alc_read_coef_idx(codec, 0xd);

		if ((val & 0x0c00) >> 10 != 0x1) {

			/* Capless ramp up clock control */

			alc_write_coef_idx(codec, 0xd, val | 1<<10);

			alc_write_coef_idx(codec, 0xd, val | (1<<10));

		}

		val = alc_read_coef_idx(codec, 0x17);

		if ((val & 0x01c0) >> 6 != 0x4) {

			/* Class D power on reset */

			alc_write_coef_idx(codec, 0x17, val | 1<<7);

			alc_write_coef_idx(codec, 0x17, val | (1<<7));

		}

	}













	val = alc_read_coef_idx(codec, 0xd); /* Class D */













	alc_write_coef_idx(codec, 0xd, val | (1<<14));

























	val = alc_read_coef_idx(codec, 0x4); /* HP */













	alc_write_coef_idx(codec, 0x4, val | (1<<11));



























	return 0;















}