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Diffstat (limited to 'sound/soc/fsl/fsl_esai.c')
-rw-r--r--sound/soc/fsl/fsl_esai.c34
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);