ASoC: fsl_spdif: Print actual sample rate for debug
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>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index 1a92d7f..53e24ab 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -75,6 +75,7 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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;
}