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authorClemens Ladisch <clemens@ladisch.de>2007-09-17 09:40:57 +0200
committerJaroslav Kysela <perex@perex.cz>2007-10-16 16:50:35 +0200
commitebe9e289d870816b5d5dd6992a253f9a87f26cba (patch)
treecb54ab621f56baf0a78a765d9928536dad18f9ca /sound/pci/cmipci.c
parent0f28eca32b3064db29d4718156e692f4db75c7aa (diff)
[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/cmipci.c')
-rw-r--r--sound/pci/cmipci.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index 7cf4fc19341..085a36751ac 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)