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Commit 41e2fce4 authored by Matt's avatar Matt Committed by Jaroslav Kysela
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[ALSA] hda: enable unsolicited responses 



HDA Intel driver
Patch enables unsolicited responses on the HDA controller. Without
the UREN bit set, the controller will not place unsolicited responses
in a RIRB.

Signed-off-by: default avatarMatt <matt@embeddedalley.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent bbd4615c

sound/pci/hda/hda_intel.c

+6 −0
Original line number Diff line number Diff line
@@ -178,6 +178,9 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 }; 
#define ICH6_INT_CTRL_EN	0x40000000	/* controller interrupt enable bit */

#define ICH6_INT_GLOBAL_EN	0x80000000	/* global interrupt enable bit */



/* GCTL unsolicited response enable bit */

#define ICH6_GCTL_UREN		(1<<8)



/* GCTL reset bit */

#define ICH6_GCTL_RESET		(1<<0)
@@ -562,6 +565,9 @@ static int azx_reset(azx_t *chip) 
		return -EBUSY;

	}



	/* Accept unsolicited responses */

	azx_writel(chip, GCTL, azx_readl(chip, GCTL) | ICH6_GCTL_UREN);



	/* detect codecs */

	if (! chip->codec_mask) {

		chip->codec_mask = azx_readw(chip, STATESTS);