diff options
| author | Takashi Iwai <tiwai@suse.de> | 2006-08-31 16:55:40 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 10:45:22 +0200 |
| commit | 929861c669a443cf667ec0d80ac73a567ed4543c (patch) | |
| tree | 240aa4d84868c3c107cd33d7e52c09903cb0ac0c | |
| parent | f640c3205aca4fe231beccc9e719c946cf3fee7a (diff) | |
| download | linux-929861c669a443cf667ec0d80ac73a567ed4543c.tar.bz2 | |
[ALSA] hda-intel - Remove volatile
Removed volatile from the position buffer pointer.
Also, use synchronize_irq() instead of unreliable msleep(1)
in the driver remove callback.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index c9ae9f778928..d56ea2125aa8 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -255,7 +255,7 @@ enum { struct azx_dev { u32 *bdl; /* virtual address of the BDL */ dma_addr_t bdl_addr; /* physical address of the BDL */ - volatile u32 *posbuf; /* position buffer pointer */ + u32 *posbuf; /* position buffer pointer */ unsigned int bufsize; /* size of the play buffer in bytes */ unsigned int fragsize; /* size of each period in bytes */ @@ -1197,7 +1197,7 @@ static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream) if (chip->position_fix == POS_FIX_POSBUF || chip->position_fix == POS_FIX_AUTO) { /* use the position buffer */ - pos = *azx_dev->posbuf; + pos = le32_to_cpu(*azx_dev->posbuf); if (chip->position_fix == POS_FIX_AUTO && azx_dev->period_intr == 1 && ! pos) { printk(KERN_WARNING @@ -1345,7 +1345,7 @@ static int __devinit azx_init_stream(struct azx *chip) struct azx_dev *azx_dev = &chip->azx_dev[i]; azx_dev->bdl = (u32 *)(chip->bdl.area + off); azx_dev->bdl_addr = chip->bdl.addr + off; - azx_dev->posbuf = (volatile u32 *)(chip->posbuf.area + i * 8); + azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8); /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */ azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80); /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */ @@ -1417,8 +1417,7 @@ static int azx_free(struct azx *chip) azx_writel(chip, DPLBASE, 0); azx_writel(chip, DPUBASE, 0); - /* wait a little for interrupts to finish */ - msleep(1); + synchronize_irq(chip->irq); } if (chip->irq >= 0) { |