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Diffstat (limited to 'sound/soc/dwc/dwc-i2s.c')
-rw-r--r--sound/soc/dwc/dwc-i2s.c37
1 files changed, 13 insertions, 24 deletions
diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c
index c04466f5492e..28001e9857d9 100644
--- a/sound/soc/dwc/dwc-i2s.c
+++ b/sound/soc/dwc/dwc-i2s.c
@@ -199,12 +199,10 @@ static void i2s_start(struct dw_i2s_dev *dev,
else
i2s_write_reg(dev->i2s_base, IRER, 1);
- /* I2S needs to enable IRQ to make a handshake with DMAC on the JH7110 SoC */
- if (dev->use_pio || dev->is_jh7110)
- i2s_enable_irqs(dev, substream->stream, config->chan_nr);
- else
+ if (!(dev->use_pio || dev->is_jh7110))
i2s_enable_dma(dev, substream->stream);
+ i2s_enable_irqs(dev, substream->stream, config->chan_nr);
i2s_write_reg(dev->i2s_base, CER, 1);
}
@@ -218,11 +216,12 @@ static void i2s_stop(struct dw_i2s_dev *dev,
else
i2s_write_reg(dev->i2s_base, IRER, 0);
- if (dev->use_pio || dev->is_jh7110)
- i2s_disable_irqs(dev, substream->stream, 8);
- else
+ if (!(dev->use_pio || dev->is_jh7110))
i2s_disable_dma(dev, substream->stream);
+ i2s_disable_irqs(dev, substream->stream, 8);
+
+
if (!dev->active) {
i2s_write_reg(dev->i2s_base, CER, 0);
i2s_write_reg(dev->i2s_base, IER, 0);
@@ -478,7 +477,6 @@ static const struct snd_soc_dai_ops dw_i2s_dai_ops = {
.set_tdm_slot = dw_i2s_set_tdm_slot,
};
-#ifdef CONFIG_PM
static int dw_i2s_runtime_suspend(struct device *dev)
{
struct dw_i2s_dev *dw_dev = dev_get_drvdata(dev);
@@ -501,6 +499,7 @@ static int dw_i2s_runtime_resume(struct device *dev)
return 0;
}
+#ifdef CONFIG_PM
static int dw_i2s_suspend(struct snd_soc_component *component)
{
struct dw_i2s_dev *dev = snd_soc_component_get_drvdata(component);
@@ -995,16 +994,12 @@ static int dw_i2s_probe(struct platform_device *pdev)
goto err_assert_reset;
}
}
- dev->clk = devm_clk_get(&pdev->dev, clk_id);
+ dev->clk = devm_clk_get_enabled(&pdev->dev, clk_id);
if (IS_ERR(dev->clk)) {
ret = PTR_ERR(dev->clk);
goto err_assert_reset;
}
-
- ret = clk_prepare_enable(dev->clk);
- if (ret < 0)
- goto err_assert_reset;
}
dev_set_drvdata(&pdev->dev, dev);
@@ -1012,7 +1007,7 @@ static int dw_i2s_probe(struct platform_device *pdev)
dw_i2s_dai, 1);
if (ret != 0) {
dev_err(&pdev->dev, "not able to register dai\n");
- goto err_clk_disable;
+ goto err_assert_reset;
}
if (!pdata || dev->is_jh7110) {
@@ -1030,16 +1025,13 @@ static int dw_i2s_probe(struct platform_device *pdev)
if (ret) {
dev_err(&pdev->dev, "could not register pcm: %d\n",
ret);
- goto err_clk_disable;
+ goto err_assert_reset;
}
}
pm_runtime_enable(&pdev->dev);
return 0;
-err_clk_disable:
- if (dev->capability & DW_I2S_MASTER)
- clk_disable_unprepare(dev->clk);
err_assert_reset:
reset_control_assert(dev->reset);
return ret;
@@ -1049,9 +1041,6 @@ static void dw_i2s_remove(struct platform_device *pdev)
{
struct dw_i2s_dev *dev = dev_get_drvdata(&pdev->dev);
- if (dev->capability & DW_I2S_MASTER)
- clk_disable_unprepare(dev->clk);
-
reset_control_assert(dev->reset);
pm_runtime_disable(&pdev->dev);
}
@@ -1094,16 +1083,16 @@ MODULE_DEVICE_TABLE(of, dw_i2s_of_match);
#endif
static const struct dev_pm_ops dwc_pm_ops = {
- SET_RUNTIME_PM_OPS(dw_i2s_runtime_suspend, dw_i2s_runtime_resume, NULL)
+ RUNTIME_PM_OPS(dw_i2s_runtime_suspend, dw_i2s_runtime_resume, NULL)
};
static struct platform_driver dw_i2s_driver = {
.probe = dw_i2s_probe,
- .remove_new = dw_i2s_remove,
+ .remove = dw_i2s_remove,
.driver = {
.name = "designware-i2s",
.of_match_table = of_match_ptr(dw_i2s_of_match),
- .pm = &dwc_pm_ops,
+ .pm = pm_ptr(&dwc_pm_ops),
},
};