From 41e2fce431070cb2d91391808077378582d3e6b1 Mon Sep 17 00:00:00 2001 From: Matt Date: Mon, 4 Jul 2005 17:49:55 +0200 Subject: [PATCH] [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 Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_intel.c | 6 ++++++ 1 file changed, 6 insertions(+) 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); -- 2.30.2