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i2s: set mclk/bclk/lrck input in suspend_no_irq

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This commit is contained in:
邱建斌
2013-09-22 17:33:28 +08:00
parent 6da33d17be
commit 4644c60808
1 changed files with 29 additions and 2 deletions
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31
sound/soc/rk29/rk30_i2s.c
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@@ -72,6 +72,7 @@ struct rk29_i2s_info {
spinlock_t spinlock_wr;//write read reg spin_lock
};
static struct snd_soc_dai *rk_cpu_dai=NULL;
static struct rk29_dma_client rk29_dma_client_out = {
.name = "I2S PCM Stereo Out"
};
@@ -138,6 +139,7 @@ static void rockchip_snd_txctrl(struct rk29_i2s_info *i2s, int on)
xfer &= ~I2S_RX_TRAN_START;
writel(xfer, &(pheadi2s->I2S_XFER));
clr |= I2S_TX_CLEAR;
clr |= I2S_RX_CLEAR;
writel(clr, &(pheadi2s->I2S_CLR));
spin_unlock(&i2s->spinlock_wr);
udelay(1);
@@ -193,6 +195,7 @@ static void rockchip_snd_rxctrl(struct rk29_i2s_info *i2s, int on)
xfer &= ~I2S_TX_TRAN_START;
writel(xfer, &(pheadi2s->I2S_XFER));
clr |= I2S_RX_CLEAR;
clr |= I2S_TX_CLEAR;
writel(clr, &(pheadi2s->I2S_CLR));
spin_unlock(&i2s->spinlock_wr);
udelay(1);
@@ -479,6 +482,8 @@ static int i2s_set_gpio_mode(struct snd_soc_dai *dai)
static int rockchip_i2s_dai_probe(struct snd_soc_dai *dai)
{
I2S_DBG("Enter %s, %d >>>>>>>>>>>\n", __func__, __LINE__);
if(rk_cpu_dai == NULL)
rk_cpu_dai = dai;
switch(dai->id) {
#if defined(CONFIG_ARCH_RK3066B) || defined(CONFIG_ARCH_RK3188)
case 1:
@@ -544,14 +549,14 @@ int rockchip_i2s_suspend(struct snd_soc_dai *cpu_dai)
{
I2S_DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
// clk_disable(clk);
return i2s_set_gpio_mode(cpu_dai);
return 0;
}
int rockchip_i2s_resume(struct snd_soc_dai *cpu_dai)
{
I2S_DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
// clk_enable(clk);
return rockchip_i2s_dai_probe(cpu_dai);
return 0;
}
#else
#define rockchip_i2s_suspend NULL
@@ -775,6 +780,27 @@ err:
return ret;
}
static int rockchip_i2s_suspend_noirq(struct device *dev)
{
struct snd_soc_dai *dai = rk_cpu_dai;
I2S_DBG("Enter %s, %d\n", __func__, __LINE__);
return i2s_set_gpio_mode(dai);
}
static int rockchip_i2s_resume_noirq(struct device *dev)
{
struct snd_soc_dai *dai = rk_cpu_dai;
I2S_DBG("Enter %s, %d\n", __func__, __LINE__);
return rockchip_i2s_dai_probe(dai);
}
static const struct dev_pm_ops rockchip_i2s_pm_ops = {
.suspend_noirq = rockchip_i2s_suspend_noirq,
.resume_noirq = rockchip_i2s_resume_noirq,
};
static int __devexit rockchip_i2s_remove(struct platform_device *pdev)
{
snd_soc_unregister_dai(&pdev->dev);
@@ -787,6 +813,7 @@ static struct platform_driver rockchip_i2s_driver = {
.driver = {
.name = "rk29_i2s",
.owner = THIS_MODULE,
.pm = &rockchip_i2s_pm_ops,
},
};