diff options
Diffstat (limited to 'sound/soc/fsl/fsl_esai.c')
| -rw-r--r-- | sound/soc/fsl/fsl_esai.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c index cbcb70d6f8c8..4ae36099ae82 100644 --- a/sound/soc/fsl/fsl_esai.c +++ b/sound/soc/fsl/fsl_esai.c @@ -22,8 +22,7 @@ SNDRV_PCM_FMTBIT_S24_LE) /** - * fsl_esai_soc_data: soc specific data - * + * struct fsl_esai_soc_data - soc specific data * @imx: for imx platform * @reset_at_xrun: flags for enable reset operaton */ @@ -33,8 +32,7 @@ struct fsl_esai_soc_data { }; /** - * fsl_esai: ESAI private data - * + * struct fsl_esai - ESAI private data * @dma_params_rx: DMA parameters for receive channel * @dma_params_tx: DMA parameters for transmit channel * @pdev: platform device pointer @@ -49,6 +47,8 @@ struct fsl_esai_soc_data { * @fifo_depth: depth of tx/rx FIFO * @slot_width: width of each DAI slot * @slots: number of slots + * @tx_mask: slot mask for TX + * @rx_mask: slot mask for RX * @channels: channel num for tx or rx * @hck_rate: clock rate of desired HCKx clock * @sck_rate: clock rate of desired SCKx clock @@ -157,13 +157,15 @@ static irqreturn_t esai_isr(int irq, void *devid) } /** - * This function is used to calculate the divisors of psr, pm, fp and it is - * supposed to be called in set_dai_sysclk() and set_bclk(). + * fsl_esai_divisor_cal - This function is used to calculate the + * divisors of psr, pm, fp and it is supposed to be called in + * set_dai_sysclk() and set_bclk(). * + * @dai: pointer to DAI + * @tx: current setting is for playback or capture * @ratio: desired overall ratio for the paticipating dividers * @usefp: for HCK setting, there is no need to set fp divider * @fp: bypass other dividers by setting fp directly if fp != 0 - * @tx: current setting is for playback or capture */ static int fsl_esai_divisor_cal(struct snd_soc_dai *dai, bool tx, u32 ratio, bool usefp, u32 fp) @@ -250,13 +252,12 @@ out_fp: } /** - * This function mainly configures the clock frequency of MCLK (HCKT/HCKR) - * - * @Parameters: - * clk_id: The clock source of HCKT/HCKR + * fsl_esai_set_dai_sysclk - configure the clock frequency of MCLK (HCKT/HCKR) + * @dai: pointer to DAI + * @clk_id: The clock source of HCKT/HCKR * (Input from outside; output from inside, FSYS or EXTAL) - * freq: The required clock rate of HCKT/HCKR - * dir: The clock direction of HCKT/HCKR + * @freq: The required clock rate of HCKT/HCKR + * @dir: The clock direction of HCKT/HCKR * * Note: If the direction is input, we do not care about clk_id. */ @@ -358,7 +359,10 @@ out: } /** - * This function configures the related dividers according to the bclk rate + * fsl_esai_set_bclk - configure the related dividers according to the bclk rate + * @dai: pointer to DAI + * @tx: direction boolean + * @freq: bclk freq */ static int fsl_esai_set_bclk(struct snd_soc_dai *dai, bool tx, u32 freq) { @@ -1008,7 +1012,7 @@ static int fsl_esai_probe(struct platform_device *pdev) if (irq < 0) return irq; - ret = devm_request_irq(&pdev->dev, irq, esai_isr, 0, + ret = devm_request_irq(&pdev->dev, irq, esai_isr, IRQF_SHARED, esai_priv->name, esai_priv); if (ret) { dev_err(&pdev->dev, "failed to claim irq %u\n", irq); |