summaryrefslogtreecommitdiff
path: root/sound/soc/atmel/atmel-pcm-pdc.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/atmel/atmel-pcm-pdc.c')
-rw-r--r--sound/soc/atmel/atmel-pcm-pdc.c63
1 files changed, 0 insertions, 63 deletions
diff --git a/sound/soc/atmel/atmel-pcm-pdc.c b/sound/soc/atmel/atmel-pcm-pdc.c
index 33ec592ecd75..a366b3503c28 100644
--- a/sound/soc/atmel/atmel-pcm-pdc.c
+++ b/sound/soc/atmel/atmel-pcm-pdc.c
@@ -76,12 +76,6 @@ struct atmel_runtime_data {
size_t period_size;
dma_addr_t period_ptr; /* physical address of next period */
-
- /* PDC register save */
- u32 pdc_xpr_save;
- u32 pdc_xcr_save;
- u32 pdc_xnpr_save;
- u32 pdc_xncr_save;
};
/*--------------------------------------------------------------------------*\
@@ -320,67 +314,10 @@ static struct snd_pcm_ops atmel_pcm_ops = {
.mmap = atmel_pcm_mmap,
};
-
-/*--------------------------------------------------------------------------*\
- * ASoC platform driver
-\*--------------------------------------------------------------------------*/
-#ifdef CONFIG_PM
-static int atmel_pcm_suspend(struct snd_soc_dai *dai)
-{
- struct snd_pcm_runtime *runtime = dai->runtime;
- struct atmel_runtime_data *prtd;
- struct atmel_pcm_dma_params *params;
-
- if (!runtime)
- return 0;
-
- prtd = runtime->private_data;
- params = prtd->params;
-
- /* disable the PDC and save the PDC registers */
-
- ssc_writel(params->ssc->regs, PDC_PTCR, params->mask->pdc_disable);
-
- prtd->pdc_xpr_save = ssc_readx(params->ssc->regs, params->pdc->xpr);
- prtd->pdc_xcr_save = ssc_readx(params->ssc->regs, params->pdc->xcr);
- prtd->pdc_xnpr_save = ssc_readx(params->ssc->regs, params->pdc->xnpr);
- prtd->pdc_xncr_save = ssc_readx(params->ssc->regs, params->pdc->xncr);
-
- return 0;
-}
-
-static int atmel_pcm_resume(struct snd_soc_dai *dai)
-{
- struct snd_pcm_runtime *runtime = dai->runtime;
- struct atmel_runtime_data *prtd;
- struct atmel_pcm_dma_params *params;
-
- if (!runtime)
- return 0;
-
- prtd = runtime->private_data;
- params = prtd->params;
-
- /* restore the PDC registers and enable the PDC */
- ssc_writex(params->ssc->regs, params->pdc->xpr, prtd->pdc_xpr_save);
- ssc_writex(params->ssc->regs, params->pdc->xcr, prtd->pdc_xcr_save);
- ssc_writex(params->ssc->regs, params->pdc->xnpr, prtd->pdc_xnpr_save);
- ssc_writex(params->ssc->regs, params->pdc->xncr, prtd->pdc_xncr_save);
-
- ssc_writel(params->ssc->regs, PDC_PTCR, params->mask->pdc_enable);
- return 0;
-}
-#else
-#define atmel_pcm_suspend NULL
-#define atmel_pcm_resume NULL
-#endif
-
static struct snd_soc_platform_driver atmel_soc_platform = {
.ops = &atmel_pcm_ops,
.pcm_new = atmel_pcm_new,
.pcm_free = atmel_pcm_free,
- .suspend = atmel_pcm_suspend,
- .resume = atmel_pcm_resume,
};
int atmel_pcm_pdc_platform_register(struct device *dev)