diff options
Diffstat (limited to 'sound/soc/generic/simple-card.c')
-rw-r--r-- | sound/soc/generic/simple-card.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 6959a74a6f49..8b374af86a6e 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -135,6 +135,18 @@ static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream) asoc_simple_card_clk_disable(&dai_props->codec_dai); } +static int asoc_simple_set_clk_rate(struct asoc_simple_dai *simple_dai, + unsigned long rate) +{ + if (!simple_dai->clk) + return 0; + + if (clk_get_rate(simple_dai->clk) == rate) + return 0; + + return clk_set_rate(simple_dai->clk, rate); +} + static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -154,6 +166,15 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, if (mclk_fs) { mclk = params_rate(params) * mclk_fs; + + ret = asoc_simple_set_clk_rate(&dai_props->codec_dai, mclk); + if (ret < 0) + return ret; + + ret = asoc_simple_set_clk_rate(&dai_props->cpu_dai, mclk); + if (ret < 0) + return ret; + ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, SND_SOC_CLOCK_IN); if (ret && ret != -ENOTSUPP) @@ -319,8 +340,8 @@ static int asoc_simple_card_parse_aux_devs(struct device_node *node, if (n <= 0) return -EINVAL; - card->aux_dev = devm_kzalloc(dev, - n * sizeof(*card->aux_dev), GFP_KERNEL); + card->aux_dev = devm_kcalloc(dev, + n, sizeof(*card->aux_dev), GFP_KERNEL); if (!card->aux_dev) return -ENOMEM; @@ -414,8 +435,8 @@ static int asoc_simple_card_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - dai_props = devm_kzalloc(dev, sizeof(*dai_props) * num, GFP_KERNEL); - dai_link = devm_kzalloc(dev, sizeof(*dai_link) * num, GFP_KERNEL); + dai_props = devm_kcalloc(dev, num, sizeof(*dai_props), GFP_KERNEL); + dai_link = devm_kcalloc(dev, num, sizeof(*dai_link), GFP_KERNEL); if (!dai_props || !dai_link) return -ENOMEM; |