diff options
Diffstat (limited to 'sound/soc/jz4740/jz4740-i2s.c')
| -rw-r--r-- | sound/soc/jz4740/jz4740-i2s.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c index 794a3499e567..99394c036998 100644 --- a/sound/soc/jz4740/jz4740-i2s.c +++ b/sound/soc/jz4740/jz4740-i2s.c @@ -133,6 +133,7 @@ static int jz4740_i2s_startup(struct snd_pcm_substream *substream, { struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai); uint32_t conf, ctrl; + int ret; if (dai->active) return 0; @@ -141,7 +142,9 @@ static int jz4740_i2s_startup(struct snd_pcm_substream *substream, ctrl |= JZ_AIC_CTRL_FLUSH; jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL, ctrl); - clk_prepare_enable(i2s->clk_i2s); + ret = clk_prepare_enable(i2s->clk_i2s); + if (ret) + return ret; conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF); conf |= JZ_AIC_CONF_ENABLE; @@ -352,11 +355,18 @@ static int jz4740_i2s_resume(struct snd_soc_dai *dai) { struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai); uint32_t conf; + int ret; - clk_prepare_enable(i2s->clk_aic); + ret = clk_prepare_enable(i2s->clk_aic); + if (ret) + return ret; if (dai->active) { - clk_prepare_enable(i2s->clk_i2s); + ret = clk_prepare_enable(i2s->clk_i2s); + if (ret) { + clk_disable_unprepare(i2s->clk_aic); + return ret; + } conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF); conf |= JZ_AIC_CONF_ENABLE; @@ -387,8 +397,11 @@ static int jz4740_i2s_dai_probe(struct snd_soc_dai *dai) { struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai); uint32_t conf; + int ret; - clk_prepare_enable(i2s->clk_aic); + ret = clk_prepare_enable(i2s->clk_aic); + if (ret) + return ret; jz4740_i2c_init_pcm_config(i2s); snd_soc_dai_init_dma_data(dai, &i2s->playback_dma_data, |