[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>

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)