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path: root/sound/soc/fsl/fsl_spdif.c
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Diffstat (limited to 'sound/soc/fsl/fsl_spdif.c')
-rw-r--r--sound/soc/fsl/fsl_spdif.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index 8e932219cb3a..ab729f2426fe 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -454,7 +454,8 @@ static int fsl_spdif_startup(struct snd_pcm_substream *substream,
struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);
struct platform_device *pdev = spdif_priv->pdev;
struct regmap *regmap = spdif_priv->regmap;
- u32 scr, mask, i;
+ u32 scr, mask;
+ int i;
int ret;
/* Reset module and interrupts only for first initialization */
@@ -482,13 +483,18 @@ static int fsl_spdif_startup(struct snd_pcm_substream *substream,
mask = SCR_TXFIFO_AUTOSYNC_MASK | SCR_TXFIFO_CTRL_MASK |
SCR_TXSEL_MASK | SCR_USRC_SEL_MASK |
SCR_TXFIFO_FSEL_MASK;
- for (i = 0; i < SPDIF_TXRATE_MAX; i++)
- clk_prepare_enable(spdif_priv->txclk[i]);
+ for (i = 0; i < SPDIF_TXRATE_MAX; i++) {
+ ret = clk_prepare_enable(spdif_priv->txclk[i]);
+ if (ret)
+ goto disable_txclk;
+ }
} else {
scr = SCR_RXFIFO_FSEL_IF8 | SCR_RXFIFO_AUTOSYNC;
mask = SCR_RXFIFO_FSEL_MASK | SCR_RXFIFO_AUTOSYNC_MASK|
SCR_RXFIFO_CTL_MASK | SCR_RXFIFO_OFF_MASK;
- clk_prepare_enable(spdif_priv->rxclk);
+ ret = clk_prepare_enable(spdif_priv->rxclk);
+ if (ret)
+ goto err;
}
regmap_update_bits(regmap, REG_SPDIF_SCR, mask, scr);
@@ -497,6 +503,9 @@ static int fsl_spdif_startup(struct snd_pcm_substream *substream,
return 0;
+disable_txclk:
+ for (i--; i >= 0; i--)
+ clk_disable_unprepare(spdif_priv->txclk[i]);
err:
clk_disable_unprepare(spdif_priv->coreclk);
@@ -707,7 +716,7 @@ static int fsl_spdif_subcode_get(struct snd_kcontrol *kcontrol,
return ret;
}
-/* Q-subcode infomation. The byte size is SPDIF_UBITS_SIZE/8 */
+/* Q-subcode information. The byte size is SPDIF_UBITS_SIZE/8 */
static int fsl_spdif_qinfo(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
@@ -739,7 +748,7 @@ static int fsl_spdif_qget(struct snd_kcontrol *kcontrol,
return ret;
}
-/* Valid bit infomation */
+/* Valid bit information */
static int fsl_spdif_vbit_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
@@ -767,7 +776,7 @@ static int fsl_spdif_vbit_get(struct snd_kcontrol *kcontrol,
return 0;
}
-/* DPLL lock infomation */
+/* DPLL lock information */
static int fsl_spdif_rxrate_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
@@ -1255,7 +1264,7 @@ static int fsl_spdif_probe(struct platform_device *pdev)
return ret;
}
- ret = imx_pcm_dma_init(pdev);
+ ret = imx_pcm_dma_init(pdev, IMX_SPDIF_DMABUF_SIZE);
if (ret)
dev_err(&pdev->dev, "imx_pcm_dma_init failed: %d\n", ret);