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ASoC: qcom: make osr clock optional

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Some LPASS integrations like on APQ8016 do not have OSR clk, so making
osr clk optional would allow such integrations to use lpass driver.

Tested-by: Kenneth Westfield <kwestfie@codeaurora.org>
Acked-by: Kenneth Westfield <kwestfie@codeaurora.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2015-05-21 22:52:57 +01:00 committed by Mark Brown
parent 9a127cff91
commit 3e53ac8230
1 changed files with 18 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
sound/soc/qcom/lpass-cpu.c
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@ -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 +50,23 @@ 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 +79,9 @@ 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,
@ -412,11 +422,10 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
drvdata->mi2s_osr_clk[dai_id] = devm_clk_get(&pdev->dev,
clk_name);
if (IS_ERR(drvdata->mi2s_osr_clk[dai_id])) {
dev_err(&pdev->dev,
dev_warn(&pdev->dev,
"%s() error getting mi2s-osr-clk: %ld\n",
__func__,
PTR_ERR(drvdata->mi2s_osr_clk[dai_id]));
return PTR_ERR(drvdata->mi2s_osr_clk[dai_id]);
}
if (variant->num_dai > 1)