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Commit ebe9e289 authored by Clemens Ladisch's avatar Clemens Ladisch Committed by Jaroslav Kysela
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[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: default avatarClemens Ladisch <clemens@ladisch.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 0f28eca3

sound/pci/cmipci.c

+12 −13
Original line number Diff line number Diff line
@@ -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)