static int s3c24xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { int ret = 0; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct s3c_dma_params *dma_data = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream); pr_debug("Entered %s\n", __func__); switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: if (!s3c24xx_snd_is_clkmaster()) { ret = s3c24xx_snd_lrsync(); if (ret) goto exit_err; } if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) s3c24xx_snd_rxctrl(1); else s3c24xx_snd_txctrl(1); s3c2410_dma_ctrl(dma_data->channel, S3C2410_DMAOP_STARTED); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) s3c24xx_snd_rxctrl(0); else s3c24xx_snd_txctrl(0); break; default: ret = -EINVAL; break; } exit_err: return ret; }
static int s3c24xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { int ret = 0; pr_debug("Entered %s\n", __func__); switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: if (!s3c24xx_snd_is_clkmaster()) { ret = s3c24xx_snd_lrsync(); if (ret) goto exit_err; } if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) s3c24xx_snd_rxctrl(1); else s3c24xx_snd_txctrl(1); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) s3c24xx_snd_rxctrl(0); else s3c24xx_snd_txctrl(0); break; default: ret = -EINVAL; break; } exit_err: return ret; }
static int s3c_i2s_v50_trigger(struct snd_pcm_substream *substream, int cmd) { int ret = 0; s3cdbg("Entered %s: cmd = %d\n", __FUNCTION__, cmd); switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: if (!s3c24xx_snd_is_clkmaster()) { ret = s3c24xx_snd_lrsync(); if (ret) goto exit_err; } if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) s5pc1xx_snd_rxctrl(1); else s5pc1xx_snd_txctrl(1); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) s5pc1xx_snd_rxctrl(0); else s5pc1xx_snd_txctrl(0); break; default: ret = -EINVAL; break; } exit_err: return ret; }