diff options
Diffstat (limited to 'sound/soc/fsl/imx-pcm.h')
| -rw-r--r-- | sound/soc/fsl/imx-pcm.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sound/soc/fsl/imx-pcm.h b/sound/soc/fsl/imx-pcm.h index 133c4470acad..c9c03d2b4aa5 100644 --- a/sound/soc/fsl/imx-pcm.h +++ b/sound/soc/fsl/imx-pcm.h @@ -43,13 +43,27 @@ struct imx_pcm_fiq_params { struct snd_dmaengine_dai_dma_data *dma_params_tx; }; +#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_RPMSG) +int imx_rpmsg_platform_register(struct device *dev); +#else +static inline int imx_rpmsg_platform_register(struct device *dev) +{ + return -ENODEV; +} +#endif + #if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_DMA) int imx_pcm_dma_init(struct platform_device *pdev, size_t size); +int imx_pcm_platform_register(struct device *dev); #else static inline int imx_pcm_dma_init(struct platform_device *pdev, size_t size) { return -ENODEV; } +static inline int imx_pcm_platform_register(struct device *dev) +{ + return -ENODEV; +} #endif #if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_FIQ) @@ -68,4 +82,39 @@ static inline void imx_pcm_fiq_exit(struct platform_device *pdev) } #endif +static inline void imx_pcm_stream_trigger(struct snd_pcm_substream *s, int tr) +{ + if (s->runtime->status->state == SNDRV_PCM_STATE_RUNNING && s->ops) + s->ops->trigger(s, tr); +} + +static inline void imx_stop_lock_pcm_streams(struct snd_pcm_substream **s, + int count, unsigned long *flags) +{ + int i; + + local_irq_save(*flags); + for (i = 0; i < count; i++) { + if (!s[i]) + continue; + snd_pcm_stream_lock(s[i]); + imx_pcm_stream_trigger(s[i], SNDRV_PCM_TRIGGER_STOP); + } +} + +static inline void imx_start_unlock_pcm_streams(struct snd_pcm_substream **s, + int count, unsigned long *flags) +{ + int i; + + for (i = count - 1; i >= 0; i--) { + if (!s[i]) + continue; + imx_pcm_stream_trigger(s[i], SNDRV_PCM_TRIGGER_START); + snd_pcm_stream_unlock(s[i]); + } + local_irq_restore(*flags); +} + + #endif /* _IMX_PCM_H */ |