diff options
Diffstat (limited to 'sound/soc/fsl/fsl_spdif.c')
| -rw-r--r-- | sound/soc/fsl/fsl_spdif.c | 25 |
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); |