People would simply know what the driver gets the best for the current sample rate playback.
Signed-off-by: Nicolin Chen Guangyu.Chen@freescale.com --- sound/soc/fsl/fsl_spdif.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c index 1abfb00..074b355 100644 --- a/sound/soc/fsl/fsl_spdif.c +++ b/sound/soc/fsl/fsl_spdif.c @@ -75,6 +75,7 @@ struct fsl_spdif_priv { struct platform_device *pdev; struct regmap *regmap; bool dpll_locked; + u16 txrate[SPDIF_TXRATE_MAX]; u8 txclk_df[SPDIF_TXRATE_MAX]; u8 sysclk_df[SPDIF_TXRATE_MAX]; u8 txclk_src[SPDIF_TXRATE_MAX]; @@ -418,7 +419,8 @@ clk_set_bypass: regmap_update_bits(regmap, REG_SPDIF_STC, STC_SYSCLK_DF_MASK, STC_SYSCLK_DF(sysclk_df));
- dev_dbg(&pdev->dev, "set sample rate to %d\n", sample_rate); + dev_dbg(&pdev->dev, "set sample rate to %dHz for %dHz playback\n", + spdif_priv->txrate[rate], sample_rate);
return 0; } @@ -1049,6 +1051,7 @@ static u32 fsl_spdif_txclk_caldiv(struct fsl_spdif_priv *spdif_priv, savesub = 0; spdif_priv->txclk_df[index] = txclk_df; spdif_priv->sysclk_df[index] = sysclk_df; + spdif_priv->txrate[index] = arate; goto out; } else if (arate / rate[index] == 1) { /* A little bigger than expect */ @@ -1059,6 +1062,7 @@ static u32 fsl_spdif_txclk_caldiv(struct fsl_spdif_priv *spdif_priv, savesub = sub; spdif_priv->txclk_df[index] = txclk_df; spdif_priv->sysclk_df[index] = sysclk_df; + spdif_priv->txrate[index] = arate; } else if (rate[index] / arate == 1) { /* A little smaller than expect */ sub = (rate[index] - arate) * 100000; @@ -1068,6 +1072,7 @@ static u32 fsl_spdif_txclk_caldiv(struct fsl_spdif_priv *spdif_priv, savesub = sub; spdif_priv->txclk_df[index] = txclk_df; spdif_priv->sysclk_df[index] = sysclk_df; + spdif_priv->txrate[index] = arate; } } } @@ -1118,6 +1123,8 @@ static int fsl_spdif_probe_txclk(struct fsl_spdif_priv *spdif_priv, if (spdif_priv->txclk[index] == spdif_priv->sysclk) dev_dbg(&pdev->dev, "use sysclk df %d for %dHz sample rate\n", spdif_priv->sysclk_df[index], rate[index]); + dev_dbg(&pdev->dev, "the best rate for %dHz sample rate is %dHz\n", + rate[index], spdif_priv->txrate[index]);
return 0; }