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Merge branch 'fix/pcm-jiffies-check' into for-linus 

* fix/pcm-jiffies-check:
  ALSA: pcm core - Avoid jiffies check for devices with BATCH flag
  ALSA: Add missing SNDRV_PCM_INFO_BATCH flag to some drivers
This commit is contained in:
Takashi Iwai 2009-05-04 16:06:37 +02:00
parent 091438dd56 3e5b50165f
commit 56dc16f75d
10 changed files with 30 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sound/core/pcm_lib.c
View File

@ -249,6 +249,12 @@ static int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *substream)
new_hw_ptr = hw_base + pos;
}
}
/* Skip the jiffies check for hardwares with BATCH flag.
* Such hardware usually just increases the position at each IRQ,
* thus it can't give any strange position.
*/
if (runtime->hw.info & SNDRV_PCM_INFO_BATCH)
goto no_jiffies_check;
hdelta = new_hw_ptr - old_hw_ptr;
jdelta = jiffies - runtime->hw_ptr_jiffies;
if (((hdelta * HZ) / runtime->rate) > jdelta + HZ/100) {
@ -272,6 +278,7 @@ static int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *substream)
hw_base -= hw_base % runtime->buffer_size;
delta = 0;
}
no_jiffies_check:
if (delta > runtime->period_size + runtime->period_size / 2) {
hw_ptr_error(substream,
"Lost interrupts? "

6
sound/isa/msnd/msnd.c
View File

@ -438,7 +438,8 @@ static void snd_msnd_capture_reset_queue(struct snd_msnd *chip,
static struct snd_pcm_hardware snd_msnd_playback = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP_VALID,
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH,
.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_8000_48000,
.rate_min = 8000,
@ -456,7 +457,8 @@ static struct snd_pcm_hardware snd_msnd_playback = {
static struct snd_pcm_hardware snd_msnd_capture = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP_VALID,
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH,
.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_8000_48000,
.rate_min = 8000,

6
sound/pci/bt87x.c
View File

@ -349,7 +349,8 @@ static struct snd_pcm_hardware snd_bt87x_digital_hw = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID,
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = 0, /* set at runtime */
.channels_min = 2,
@ -365,7 +366,8 @@ static struct snd_pcm_hardware snd_bt87x_analog_hw = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID,
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8,
.rates = SNDRV_PCM_RATE_KNOT,
.rate_min = ANALOG_CLOCK / CLOCK_DIV_MAX,

6
sound/pci/korg1212/korg1212.c
View File

@ -1238,7 +1238,8 @@ static struct snd_pcm_hardware snd_korg1212_playback_info =
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED),
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BATCH),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = (SNDRV_PCM_RATE_44100 |
SNDRV_PCM_RATE_48000),
@ -1258,7 +1259,8 @@ static struct snd_pcm_hardware snd_korg1212_capture_info =
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED),
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BATCH),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = (SNDRV_PCM_RATE_44100 |
SNDRV_PCM_RATE_48000),

3
sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c
View File

@ -240,7 +240,8 @@ static int pdacf_pcm_prepare(struct snd_pcm_substream *subs)
static struct snd_pcm_hardware pdacf_pcm_capture_hw = {
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH),
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE,

2
sound/soc/au1x/dbdma2.c
View File

@ -82,7 +82,7 @@ static struct au1xpsc_audio_dmadata *au1xpsc_audio_pcmdma[2];
/* PCM hardware DMA capabilities - platform specific */
static const struct snd_pcm_hardware au1xpsc_pcm_hardware = {
.info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED,
SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BATCH,
.formats = AU1XPSC_PCM_FMTS,
.period_bytes_min = AU1XPSC_PERIOD_MIN_BYTES,
.period_bytes_max = 4096 * 1024 - 1,

3
sound/soc/fsl/mpc5200_psc_i2s.c
View File

@ -504,7 +504,8 @@ static struct snd_soc_dai psc_i2s_dai_template = {
static const struct snd_pcm_hardware psc_i2s_pcm_hardware = {
.info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER,
SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_BATCH,
.formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_BE |
SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S32_BE,
.rate_min = 8000,

3
sound/soc/sh/dma-sh7760.c
View File

@ -103,7 +103,8 @@ static struct snd_pcm_hardware camelot_pcm_hardware = {
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID),
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH),
.formats = DMABRG_FMTS,
.rates = DMABRG_RATES,
.rate_min = 8000,

3
sound/sparc/dbri.c
View File

@ -1975,7 +1975,8 @@ static struct snd_pcm_hardware snd_dbri_pcm_hw = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID,
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH,
.formats = SNDRV_PCM_FMTBIT_MU_LAW |
SNDRV_PCM_FMTBIT_A_LAW |
SNDRV_PCM_FMTBIT_U8 |

3
sound/usb/usx2y/usbusx2yaudio.c
View File

@ -870,7 +870,8 @@ static struct snd_pcm_hardware snd_usX2Y_2c =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID),
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH),
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_3LE,
.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
.rate_min = 44100,