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| author | Takashi Iwai <tiwai@suse.de> | 2009-05-25 18:34:52 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-05-25 18:34:52 +0200 |
| commit | 4fcd39207f4c91185cc89e3e6a28cbb643034ff1 (patch) | |
| tree | 1d6dd15ca8133528dc4100ca364f305672b5b110 | |
| parent | fa7979663190240b838ab8c8bad7f59e618bf77c (diff) | |
| download | linux-3.10-4fcd39207f4c91185cc89e3e6a28cbb643034ff1.tar.gz linux-3.10-4fcd39207f4c91185cc89e3e6a28cbb643034ff1.tar.bz2 linux-3.10-4fcd39207f4c91185cc89e3e6a28cbb643034ff1.zip | |
ALSA: hda - Reset CORB/RIRB at retrying the verb communication
When a codec communication error occurs, the CORB/RIRB counters should
be reset first before re-issuing the verb. Simply call azx_free_cmd_io()
and azx_init_cmd_io() to achieve that.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 49fd973b85c..3fc75e2061a 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -522,6 +522,7 @@ static void azx_init_cmd_io(struct azx *chip) /* RIRB set up */ chip->rirb.addr = chip->rb.addr + 2048; chip->rirb.buf = (u32 *)(chip->rb.area + 2048); + chip->rirb.wp = chip->rirb.rp = chip->rirb.cmds = 0; azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr); azx_writel(chip, RIRBUBASE, upper_32_bits(chip->rirb.addr)); @@ -533,7 +534,6 @@ static void azx_init_cmd_io(struct azx *chip) azx_writew(chip, RINTCNT, 1); /* enable rirb dma and response irq */ azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN); - chip->rirb.rp = chip->rirb.cmds = 0; } static void azx_free_cmd_io(struct azx *chip) @@ -654,9 +654,11 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus) snd_printk(KERN_ERR SFX "azx_get_response timeout (ERROR): " "last cmd=0x%08x\n", chip->last_cmd); + /* re-initialize CORB/RIRB */ spin_lock_irq(&chip->reg_lock); - chip->rirb.cmds = 0; /* reset the index */ bus->rirb_error = 1; + azx_free_cmd_io(chip); + azx_init_cmd_io(chip); spin_unlock_irq(&chip->reg_lock); return -1; } |