diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index ddabc827ac44..b6e6314d0069 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -513,6 +513,7 @@ static int azx_alloc_cmd_io(struct azx *chip) static void azx_init_cmd_io(struct azx *chip) { + spin_lock_irq(&chip->reg_lock); /* CORB set up */ chip->corb.addr = chip->rb.addr; chip->corb.buf = (u32 *)chip->rb.area; @@ -544,13 +545,16 @@ 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); + spin_unlock_irq(&chip->reg_lock); } static void azx_free_cmd_io(struct azx *chip) { + spin_lock_irq(&chip->reg_lock); /* disable ringbuffer DMAs */ azx_writeb(chip, RIRBCTL, 0); azx_writeb(chip, CORBCTL, 0); + spin_unlock_irq(&chip->reg_lock); } static unsigned int azx_command_addr(u32 cmd) |