tree 4a26b2e7fc1b348cdef1fb56b0a1bd24639300f6
parent bbd4615cdb68de943b2814e956ec14899606dc45
author Matt <[EMAIL PROTECTED]> Mon, 04 Jul 2005 17:49:55 +0200
committer Jaroslav Kysela <[EMAIL PROTECTED]> Thu, 28 Jul 2005 12:21:48 +0200
[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 <[EMAIL PROTECTED]>
Signed-off-by: Takashi Iwai <[EMAIL PROTECTED]>
sound/pci/hda/hda_intel.c | 6 ++++++
1 files changed, 6 insertions(+)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -178,6 +178,9 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO
#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);
-
To unsubscribe from this list: send the line "unsubscribe bk-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
