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path: root/sound/soc/meson/axg-spdifin.c
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Diffstat (limited to 'sound/soc/meson/axg-spdifin.c')
-rw-r--r--sound/soc/meson/axg-spdifin.c55
1 files changed, 20 insertions, 35 deletions
diff --git a/sound/soc/meson/axg-spdifin.c b/sound/soc/meson/axg-spdifin.c
index d86880169075..e721f579321e 100644
--- a/sound/soc/meson/axg-spdifin.c
+++ b/sound/soc/meson/axg-spdifin.c
@@ -112,34 +112,6 @@ static int axg_spdifin_prepare(struct snd_pcm_substream *substream,
return 0;
}
-static int axg_spdifin_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct axg_spdifin *priv = snd_soc_dai_get_drvdata(dai);
- int ret;
-
- ret = clk_prepare_enable(priv->refclk);
- if (ret) {
- dev_err(dai->dev,
- "failed to enable spdifin reference clock\n");
- return ret;
- }
-
- regmap_update_bits(priv->map, SPDIFIN_CTRL0, SPDIFIN_CTRL0_EN,
- SPDIFIN_CTRL0_EN);
-
- return 0;
-}
-
-static void axg_spdifin_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct axg_spdifin *priv = snd_soc_dai_get_drvdata(dai);
-
- regmap_update_bits(priv->map, SPDIFIN_CTRL0, SPDIFIN_CTRL0_EN, 0);
- clk_disable_unprepare(priv->refclk);
-}
-
static void axg_spdifin_write_mode_param(struct regmap *map, int mode,
unsigned int val,
unsigned int num_per_reg,
@@ -207,9 +179,9 @@ static int axg_spdifin_sample_mode_config(struct snd_soc_dai *dai,
SPDIFIN_CTRL1_BASE_TIMER,
FIELD_PREP(SPDIFIN_CTRL1_BASE_TIMER, rate / 1000));
- /* Threshold based on the minimum width between two edges */
+ /* Threshold based on the maximum width between two edges */
regmap_update_bits(priv->map, SPDIFIN_CTRL0,
- SPDIFIN_CTRL0_WIDTH_SEL, SPDIFIN_CTRL0_WIDTH_SEL);
+ SPDIFIN_CTRL0_WIDTH_SEL, 0);
/* Calculate the last timer which has no threshold */
t_next = axg_spdifin_mode_timer(priv, i, rate);
@@ -227,7 +199,7 @@ static int axg_spdifin_sample_mode_config(struct snd_soc_dai *dai,
axg_spdifin_write_timer(priv->map, i, t);
/* Set the threshold value */
- axg_spdifin_write_threshold(priv->map, i, t + t_next);
+ axg_spdifin_write_threshold(priv->map, i, 3 * (t + t_next));
/* Save the current timer for the next threshold calculation */
t_next = t;
@@ -251,17 +223,32 @@ static int axg_spdifin_dai_probe(struct snd_soc_dai *dai)
ret = axg_spdifin_sample_mode_config(dai, priv);
if (ret) {
dev_err(dai->dev, "mode configuration failed\n");
- clk_disable_unprepare(priv->pclk);
- return ret;
+ goto pclk_err;
}
+ ret = clk_prepare_enable(priv->refclk);
+ if (ret) {
+ dev_err(dai->dev,
+ "failed to enable spdifin reference clock\n");
+ goto pclk_err;
+ }
+
+ regmap_update_bits(priv->map, SPDIFIN_CTRL0, SPDIFIN_CTRL0_EN,
+ SPDIFIN_CTRL0_EN);
+
return 0;
+
+pclk_err:
+ clk_disable_unprepare(priv->pclk);
+ return ret;
}
static int axg_spdifin_dai_remove(struct snd_soc_dai *dai)
{
struct axg_spdifin *priv = snd_soc_dai_get_drvdata(dai);
+ regmap_update_bits(priv->map, SPDIFIN_CTRL0, SPDIFIN_CTRL0_EN, 0);
+ clk_disable_unprepare(priv->refclk);
clk_disable_unprepare(priv->pclk);
return 0;
}
@@ -270,8 +257,6 @@ static const struct snd_soc_dai_ops axg_spdifin_ops = {
.probe = axg_spdifin_dai_probe,
.remove = axg_spdifin_dai_remove,
.prepare = axg_spdifin_prepare,
- .startup = axg_spdifin_startup,
- .shutdown = axg_spdifin_shutdown,
};
static int axg_spdifin_iec958_info(struct snd_kcontrol *kcontrol,