Some LPASS integrations like on APQ8016 do not have OSR clk, so making osr clk optional would allow such integrations to use lpass driver.
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/qcom/lpass-cpu.c | 33 ++++++++++++++++++++++----------- 1 file changed, 22 insertions(+), 11 deletions(-)
diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 0d28ea7..33e28370 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -33,6 +33,9 @@ static int lpass_cpu_daiops_set_sysclk(struct snd_soc_dai *dai, int clk_id, struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); int ret;
+ if (IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id])) + return 0; + ret = clk_set_rate(drvdata->mi2s_osr_clk[dai->driver->id], freq); if (ret) dev_err(dai->dev, "%s() error setting mi2s osrclk to %u: %d\n", @@ -47,18 +50,22 @@ static int lpass_cpu_daiops_startup(struct snd_pcm_substream *substream, struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); int ret;
- ret = clk_prepare_enable(drvdata->mi2s_osr_clk[dai->diver->id]); - if (ret) { - dev_err(dai->dev, "%s() error in enabling mi2s osr clk: %d\n", - __func__, ret); - return ret; + if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id])) { + ret = clk_prepare_enable( + drvdata->mi2s_osr_clk[dai->driver->id]); + if (ret) { + dev_err(dai->dev, "%s() error in enabling mi2s osr clk: %d\n", + __func__, ret); + return ret; + } }
ret = clk_prepare_enable(drvdata->mi2s_bit_clk[dai->driver->id]); if (ret) { dev_err(dai->dev, "%s() error in enabling mi2s bit clk: %d\n", __func__, ret); - clk_disable_unprepare(drvdata->mi2s_osr_clk[dai->driver->id]); + if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id])) + clk_disable_unprepare(drvdata->mi2s_osr_clk[dai->driver->id]); return ret; }
@@ -71,7 +78,9 @@ static void lpass_cpu_daiops_shutdown(struct snd_pcm_substream *substream, struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
clk_disable_unprepare(drvdata->mi2s_bit_clk[dai->driver->id]); - clk_disable_unprepare(drvdata->mi2s_osr_clk[dai->driver->id]); + + if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id])) + clk_disable_unprepare(drvdata->mi2s_osr_clk[dai->driver->id]); }
static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream, @@ -408,11 +417,13 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) else sprintf(clk_name, "mi2s-osr-clk");
- drvdata->mi2s_osr_clk[i] = devm_clk_get(&pdev->dev, clk_name); + drvdata->mi2s_osr_clk[i] = devm_clk_get(&pdev->dev, + clk_name); if (IS_ERR(drvdata->mi2s_osr_clk[i])) { - dev_err(&pdev->dev, "%s() error getting mi2s-osr-clk: %ld\n", - __func__, PTR_ERR(drvdata->mi2s_osr_clk[i])); - return PTR_ERR(drvdata->mi2s_osr_clk[i]); + dev_err(&pdev->dev, + "%s() error getting mi2s-osr-clk: %ld\n", + __func__, + PTR_ERR(drvdata->mi2s_osr_clk[i])); } }