diff options
| author | Matt <matt@embeddedalley.com> | 2005-07-04 17:49:55 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2005-07-28 12:21:48 +0200 |
| commit | 41e2fce431070cb2d91391808077378582d3e6b1 (patch) | |
| tree | 4a26b2e7fc1b348cdef1fb56b0a1bd24639300f6 /sound/pci/hda/hda_intel.c | |
| parent | bbd4615cdb68de943b2814e956ec14899606dc45 (diff) | |
| download | lwn-41e2fce431070cb2d91391808077378582d3e6b1.tar.gz lwn-41e2fce431070cb2d91391808077378582d3e6b1.zip | |
[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: Matt <matt@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 5e0cca36ed57..288ab0764830 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -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); |