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path: root/sound/soc/samsung/i2s.c
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Diffstat (limited to 'sound/soc/samsung/i2s.c')
-rw-r--r--sound/soc/samsung/i2s.c42
1 files changed, 14 insertions, 28 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index bff42bf370b..87a874dc7a3 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -15,6 +15,7 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/module.h>
+#include <linux/pm_runtime.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>
@@ -881,7 +882,7 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
writel(CON_RSTCLR, i2s->addr + I2SCON);
if (i2s->quirks & QUIRK_SEC_DAI)
- idma_reg_addr_init((void *)i2s->addr,
+ idma_reg_addr_init(i2s->addr,
i2s->sec_dai->idma_playback.dma_addr);
probe_exit:
@@ -923,7 +924,7 @@ static int samsung_i2s_dai_remove(struct snd_soc_dai *dai)
return 0;
}
-static struct snd_soc_dai_ops samsung_i2s_dai_ops = {
+static const struct snd_soc_dai_ops samsung_i2s_dai_ops = {
.trigger = i2s_trigger,
.hw_params = i2s_hw_params,
.set_fmt = i2s_set_fmt,
@@ -945,7 +946,7 @@ struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec)
{
struct i2s_dai *i2s;
- i2s = kzalloc(sizeof(struct i2s_dai), GFP_KERNEL);
+ i2s = devm_kzalloc(&pdev->dev, sizeof(struct i2s_dai), GFP_KERNEL);
if (i2s == NULL)
return NULL;
@@ -972,10 +973,8 @@ struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec)
i2s->pdev = platform_device_register_resndata(NULL,
pdev->name, pdev->id + SAMSUNG_I2S_SECOFF,
NULL, 0, NULL, 0);
- if (IS_ERR(i2s->pdev)) {
- kfree(i2s);
+ if (IS_ERR(i2s->pdev))
return NULL;
- }
}
/* Pre-assign snd_soc_dai_set_drvdata */
@@ -1048,7 +1047,7 @@ static __devinit int samsung_i2s_probe(struct platform_device *pdev)
if (!pri_dai) {
dev_err(&pdev->dev, "Unable to alloc I2S_pri\n");
ret = -ENOMEM;
- goto err1;
+ goto err;
}
pri_dai->dma_playback.dma_addr = regs_base + I2STXD;
@@ -1073,7 +1072,7 @@ static __devinit int samsung_i2s_probe(struct platform_device *pdev)
if (!sec_dai) {
dev_err(&pdev->dev, "Unable to alloc I2S_sec\n");
ret = -ENOMEM;
- goto err2;
+ goto err;
}
sec_dai->dma_playback.dma_addr = regs_base + I2STXDS;
sec_dai->dma_playback.client =
@@ -1092,17 +1091,15 @@ static __devinit int samsung_i2s_probe(struct platform_device *pdev)
if (i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) {
dev_err(&pdev->dev, "Unable to configure gpio\n");
ret = -EINVAL;
- goto err3;
+ goto err;
}
snd_soc_register_dai(&pri_dai->pdev->dev, &pri_dai->i2s_dai_drv);
+ pm_runtime_enable(&pdev->dev);
+
return 0;
-err3:
- kfree(sec_dai);
-err2:
- kfree(pri_dai);
-err1:
+err:
release_mem_region(regs_base, resource_size(res));
return ret;
@@ -1111,6 +1108,7 @@ err1:
static __devexit int samsung_i2s_remove(struct platform_device *pdev)
{
struct i2s_dai *i2s, *other;
+ struct resource *res;
i2s = dev_get_drvdata(&pdev->dev);
other = i2s->pri_dai ? : i2s->sec_dai;
@@ -1119,7 +1117,7 @@ static __devexit int samsung_i2s_remove(struct platform_device *pdev)
other->pri_dai = NULL;
other->sec_dai = NULL;
} else {
- struct resource *res;
+ pm_runtime_disable(&pdev->dev);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res)
release_mem_region(res->start, resource_size(res));
@@ -1128,8 +1126,6 @@ static __devexit int samsung_i2s_remove(struct platform_device *pdev)
i2s->pri_dai = NULL;
i2s->sec_dai = NULL;
- kfree(i2s);
-
snd_soc_unregister_dai(&pdev->dev);
return 0;
@@ -1144,17 +1140,7 @@ static struct platform_driver samsung_i2s_driver = {
},
};
-static int __init samsung_i2s_init(void)
-{
- return platform_driver_register(&samsung_i2s_driver);
-}
-module_init(samsung_i2s_init);
-
-static void __exit samsung_i2s_exit(void)
-{
- platform_driver_unregister(&samsung_i2s_driver);
-}
-module_exit(samsung_i2s_exit);
+module_platform_driver(samsung_i2s_driver);
/* Module information */
MODULE_AUTHOR("Jaswinder Singh, <jassi.brar@samsung.com>");