diff options
| author | Clemens Ladisch <clemens@ladisch.de> | 2007-09-17 11:40:57 +0400 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2007-10-16 18:50:35 +0400 |
| commit | ebe9e289d870816b5d5dd6992a253f9a87f26cba (patch) | |
| tree | cb54ab621f56baf0a78a765d9928536dad18f9ca /sound/pci | |
| parent | 0f28eca32b3064db29d4718156e692f4db75c7aa (diff) | |
| download | linux-ebe9e289d870816b5d5dd6992a253f9a87f26cba.tar.xz | |
[ALSA] cmipci: clean up struct cmipci_pcm
Remove some unused field from the struct cmipci_pcm, and change the type
of some others to save some space.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/cmipci.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 7cf4fc193419..085a36751ac0 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -431,15 +431,13 @@ MODULE_PARM_DESC(joystick_port, "Joystick port address."); struct cmipci_pcm { struct snd_pcm_substream *substream; - int running; /* dac/adc running? */ + u8 running; /* dac/adc running? */ + u8 fmt; /* format bits */ + u8 is_dac; unsigned int dma_size; /* in frames */ - unsigned int period_size; /* in frames */ + unsigned int shift; + unsigned int ch; /* channel (0/1) */ unsigned int offset; /* physical address of the buffer */ - unsigned int fmt; /* format bits */ - int ch; /* channel (0/1) */ - unsigned int is_dac; /* is dac? */ - int bytes_per_frame; - int shift; }; /* mixer elements toggled/resumed during ac3 playback */ @@ -785,6 +783,7 @@ static int snd_cmipci_pcm_prepare(struct cmipci *cm, struct cmipci_pcm *rec, struct snd_pcm_substream *substream) { unsigned int reg, freq, val; + unsigned int period_size; struct snd_pcm_runtime *runtime = substream->runtime; rec->fmt = 0; @@ -804,11 +803,11 @@ static int snd_cmipci_pcm_prepare(struct cmipci *cm, struct cmipci_pcm *rec, rec->offset = runtime->dma_addr; /* buffer and period sizes in frame */ rec->dma_size = runtime->buffer_size << rec->shift; - rec->period_size = runtime->period_size << rec->shift; + period_size = runtime->period_size << rec->shift; if (runtime->channels > 2) { /* multi-channels */ rec->dma_size = (rec->dma_size * runtime->channels) / 2; - rec->period_size = (rec->period_size * runtime->channels) / 2; + period_size = (period_size * runtime->channels) / 2; } spin_lock_irq(&cm->reg_lock); @@ -819,7 +818,7 @@ static int snd_cmipci_pcm_prepare(struct cmipci *cm, struct cmipci_pcm *rec, /* program sample counts */ reg = rec->ch ? CM_REG_CH1_FRAME2 : CM_REG_CH0_FRAME2; snd_cmipci_write_w(cm, reg, rec->dma_size - 1); - snd_cmipci_write_w(cm, reg + 2, rec->period_size - 1); + snd_cmipci_write_w(cm, reg + 2, period_size - 1); /* set adc/dac flag */ val = rec->ch ? CM_CHADC1 : CM_CHADC0; @@ -875,7 +874,7 @@ static int snd_cmipci_pcm_prepare(struct cmipci *cm, struct cmipci_pcm *rec, * PCM trigger/stop */ static int snd_cmipci_pcm_trigger(struct cmipci *cm, struct cmipci_pcm *rec, - struct snd_pcm_substream *substream, int cmd) + int cmd) { unsigned int inthld, chen, reset, pause; int result = 0; @@ -955,7 +954,7 @@ static int snd_cmipci_playback_trigger(struct snd_pcm_substream *substream, int cmd) { struct cmipci *cm = snd_pcm_substream_chip(substream); - return snd_cmipci_pcm_trigger(cm, &cm->channel[CM_CH_PLAY], substream, cmd); + return snd_cmipci_pcm_trigger(cm, &cm->channel[CM_CH_PLAY], cmd); } static snd_pcm_uframes_t snd_cmipci_playback_pointer(struct snd_pcm_substream *substream) @@ -974,7 +973,7 @@ static int snd_cmipci_capture_trigger(struct snd_pcm_substream *substream, int cmd) { struct cmipci *cm = snd_pcm_substream_chip(substream); - return snd_cmipci_pcm_trigger(cm, &cm->channel[CM_CH_CAPT], substream, cmd); + return snd_cmipci_pcm_trigger(cm, &cm->channel[CM_CH_CAPT], cmd); } static snd_pcm_uframes_t snd_cmipci_capture_pointer(struct snd_pcm_substream *substream) |