diff options
Diffstat (limited to 'sound/soc/dwc/local.h')
| -rw-r--r-- | sound/soc/dwc/local.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sound/soc/dwc/local.h b/sound/soc/dwc/local.h index 68afd7577343..91dc70a826f8 100644 --- a/sound/soc/dwc/local.h +++ b/sound/soc/dwc/local.h @@ -105,20 +105,27 @@ struct dw_i2s_dev { struct i2s_clk_config_data config; int (*i2s_clk_cfg)(struct i2s_clk_config_data *config); - /* data related to PIO transfers (TX) */ + /* data related to PIO transfers */ bool use_pio; struct snd_pcm_substream __rcu *tx_substream; + struct snd_pcm_substream __rcu *rx_substream; unsigned int (*tx_fn)(struct dw_i2s_dev *dev, struct snd_pcm_runtime *runtime, unsigned int tx_ptr, bool *period_elapsed); + unsigned int (*rx_fn)(struct dw_i2s_dev *dev, + struct snd_pcm_runtime *runtime, unsigned int rx_ptr, + bool *period_elapsed); unsigned int tx_ptr; + unsigned int rx_ptr; }; #if IS_ENABLED(CONFIG_SND_DESIGNWARE_PCM) void dw_pcm_push_tx(struct dw_i2s_dev *dev); +void dw_pcm_pop_rx(struct dw_i2s_dev *dev); int dw_pcm_register(struct platform_device *pdev); #else void dw_pcm_push_tx(struct dw_i2s_dev *dev) { } +void dw_pcm_pop_rx(struct dw_i2s_dev *dev) { } int dw_pcm_register(struct platform_device *pdev) { return -EINVAL; |