xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Vork 0
Code Kwesties Pull-aanvragen Actions Packages Projecten Publicaties Wiki Activiteit

Merge remote-tracking branches 'asoc/topic/dwc', 'asoc/topic/es8328', 'asoc/topic/fsl' and 'asoc/topic/fsl-card' into asoc-next

Bladeren bron
This commit is contained in:
Mark Brown
2015-10-26 11:16:03 +09:00
bovenliggende 1c9d000c5b ab57b8e90c 7ab8a54ea7 739146b614 50760cad9d
commit f72362e6b7
9 gewijzigde bestanden met toevoegingen van 503 en 74 verwijderingen
Download Patch-bestand Download Diff-bestand Expand all files Collapse all files

123
sound/soc/dwc/designware_i2s.c
Bestand weergeven

@@ -282,23 +282,25 @@ static int dw_i2s_hw_params(struct snd_pcm_substream *substream,
config->sample_rate = params_rate(params);
if (dev->i2s_clk_cfg) {
ret = dev->i2s_clk_cfg(config);
if (ret < 0) {
dev_err(dev->dev, "runtime audio clk config fail\n");
return ret;
}
} else {
u32 bitclk = config->sample_rate * config->data_width * 2;
if (dev->capability & DW_I2S_MASTER) {
if (dev->i2s_clk_cfg) {
ret = dev->i2s_clk_cfg(config);
if (ret < 0) {
dev_err(dev->dev, "runtime audio clk config fail\n");
return ret;
}
} else {
u32 bitclk = config->sample_rate *
config->data_width * 2;
ret = clk_set_rate(dev->clk, bitclk);
if (ret) {
dev_err(dev->dev, "Can't set I2S clock rate: %d\n",
ret);
return ret;
ret = clk_set_rate(dev->clk, bitclk);
if (ret) {
dev_err(dev->dev, "Can't set I2S clock rate: %d\n",
ret);
return ret;
}
}
}
return 0;
}
@@ -348,12 +350,43 @@ static int dw_i2s_trigger(struct snd_pcm_substream *substream,
return ret;
}
static int dw_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
{
struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(cpu_dai);
int ret = 0;
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
if (dev->capability & DW_I2S_SLAVE)
ret = 0;
else
ret = -EINVAL;
break;
case SND_SOC_DAIFMT_CBS_CFS:
if (dev->capability & DW_I2S_MASTER)
ret = 0;
else
ret = -EINVAL;
break;
case SND_SOC_DAIFMT_CBM_CFS:
case SND_SOC_DAIFMT_CBS_CFM:
ret = -EINVAL;
break;
default:
dev_dbg(dev->dev, "dwc : Invalid master/slave format\n");
ret = -EINVAL;
break;
}
return ret;
}
static struct snd_soc_dai_ops dw_i2s_dai_ops = {
.startup = dw_i2s_startup,
.shutdown = dw_i2s_shutdown,
.hw_params = dw_i2s_hw_params,
.prepare = dw_i2s_prepare,
.trigger = dw_i2s_trigger,
.set_fmt = dw_i2s_set_fmt,
};
static const struct snd_soc_component_driver dw_i2s_component = {
@@ -366,7 +399,8 @@ static int dw_i2s_suspend(struct snd_soc_dai *dai)
{
struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(dai);
clk_disable(dev->clk);
if (dev->capability & DW_I2S_MASTER)
clk_disable(dev->clk);
return 0;
}
@@ -374,7 +408,8 @@ static int dw_i2s_resume(struct snd_soc_dai *dai)
{
struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(dai);
clk_enable(dev->clk);
if (dev->capability & DW_I2S_MASTER)
clk_enable(dev->clk);
return 0;
}
@@ -452,6 +487,14 @@ static int dw_configure_dai(struct dw_i2s_dev *dev,
dw_i2s_dai->capture.rates = rates;
}
if (COMP1_MODE_EN(comp1)) {
dev_dbg(dev->dev, "designware: i2s master mode supported\n");
dev->capability |= DW_I2S_MASTER;
} else {
dev_dbg(dev->dev, "designware: i2s slave mode supported\n");
dev->capability |= DW_I2S_SLAVE;
}
return 0;
}
@@ -538,6 +581,7 @@ static int dw_i2s_probe(struct platform_device *pdev)
struct resource *res;
int ret;
struct snd_soc_dai_driver *dw_i2s_dai;
const char *clk_id;
dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
if (!dev) {
@@ -559,33 +603,36 @@ static int dw_i2s_probe(struct platform_device *pdev)
return PTR_ERR(dev->i2s_base);
dev->dev = &pdev->dev;
if (pdata) {
ret = dw_configure_dai_by_pd(dev, dw_i2s_dai, res, pdata);
if (ret < 0)
return ret;
dev->capability = pdata->cap;
dev->i2s_clk_cfg = pdata->i2s_clk_cfg;
if (!dev->i2s_clk_cfg) {
dev_err(&pdev->dev, "no clock configure method\n");
return -ENODEV;
}
dev->clk = devm_clk_get(&pdev->dev, NULL);
clk_id = NULL;
ret = dw_configure_dai_by_pd(dev, dw_i2s_dai, res, pdata);
} else {
clk_id = "i2sclk";
ret = dw_configure_dai_by_dt(dev, dw_i2s_dai, res);
if (ret < 0)
return ret;
dev->clk = devm_clk_get(&pdev->dev, "i2sclk");
}
if (IS_ERR(dev->clk))
return PTR_ERR(dev->clk);
ret = clk_prepare_enable(dev->clk);
if (ret < 0)
return ret;
if (dev->capability & DW_I2S_MASTER) {
if (pdata) {
dev->i2s_clk_cfg = pdata->i2s_clk_cfg;
if (!dev->i2s_clk_cfg) {
dev_err(&pdev->dev, "no clock configure method\n");
return -ENODEV;
}
}
dev->clk = devm_clk_get(&pdev->dev, clk_id);
if (IS_ERR(dev->clk))
return PTR_ERR(dev->clk);
ret = clk_prepare_enable(dev->clk);
if (ret < 0)
return ret;
}
dev_set_drvdata(&pdev->dev, dev);
ret = devm_snd_soc_register_component(&pdev->dev, &dw_i2s_component,
dw_i2s_dai, 1);
@@ -606,7 +653,8 @@ static int dw_i2s_probe(struct platform_device *pdev)
return 0;
err_clk_disable:
clk_disable_unprepare(dev->clk);
if (dev->capability & DW_I2S_MASTER)
clk_disable_unprepare(dev->clk);
return ret;
}
@@ -614,7 +662,8 @@ static int dw_i2s_remove(struct platform_device *pdev)
{
struct dw_i2s_dev *dev = dev_get_drvdata(&pdev->dev);
clk_disable_unprepare(dev->clk);
if (dev->capability & DW_I2S_MASTER)
clk_disable_unprepare(dev->clk);
return 0;
}