ALSA: hda - Add some workarounds for Creative IBG

[net-next-2.6.git] / sound / pci / hda / hda_intel.c

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 5cbea85a6453cf35828fd70b5092e4c2f297cc64..ee445bc6e81027122617e41c5936ed480fc6ab41 100644 (file)
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -458,6 +458,7 @@ enum {
        AZX_DRIVER_ULI,
        AZX_DRIVER_NVIDIA,
        AZX_DRIVER_TERA,
+       AZX_DRIVER_CTX,
        AZX_DRIVER_GENERIC,
        AZX_NUM_DRIVERS, /* keep this as last entry */
 };
@@ -473,6 +474,7 @@ static char *driver_short_names[] __devinitdata = {
        [AZX_DRIVER_ULI] = "HDA ULI M5461",
        [AZX_DRIVER_NVIDIA] = "HDA NVidia",
        [AZX_DRIVER_TERA] = "HDA Teradici", 
+       [AZX_DRIVER_CTX] = "HDA Creative", 
        [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
 };
 
@@ -563,7 +565,10 @@ static void azx_init_cmd_io(struct azx *chip)
        /* reset the rirb hw write pointer */
        azx_writew(chip, RIRBWP, ICH6_RIRBWP_RST);
        /* set N=1, get RIRB response interrupt for new entry */
-       azx_writew(chip, RINTCNT, 1);
+       if (chip->driver_type == AZX_DRIVER_CTX)
+               azx_writew(chip, RINTCNT, 0xc0);
+       else
+               azx_writew(chip, RINTCNT, 1);
        /* enable rirb dma and response irq */
        azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
        spin_unlock_irq(&chip->reg_lock);
@@ -1136,8 +1141,11 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id)
        /* clear rirb int */
        status = azx_readb(chip, RIRBSTS);
        if (status & RIRB_INT_MASK) {
-               if (status & RIRB_INT_RESPONSE)
+               if (status & RIRB_INT_RESPONSE) {
+                       if (chip->driver_type == AZX_DRIVER_CTX)
+                               udelay(80);
                        azx_update_rirb(chip);
+               }
                azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
        }
 
@@ -2784,10 +2792,10 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
        { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
          .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
          .class_mask = 0xffffff,
-         .driver_data = AZX_DRIVER_GENERIC },
+         .driver_data = AZX_DRIVER_CTX },
 #else
        /* this entry seems still valid -- i.e. without emu20kx chip */
-       { PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_GENERIC },
+       { PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_CTX },
 #endif
        /* Vortex86MX */
        { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },