i2s: early initialization spin_lock for regiter read/write

This commit is contained in:
邱建斌
2013-09-17 10:06:51 +08:00
parent 0c3f144069
commit e774f49a4e

View File

@@ -636,6 +636,7 @@ static int __devinit rockchip_i2s_probe(struct platform_device *pdev)
struct snd_soc_dai_driver *dai;
int ret;
spin_lock_init(&i2s->spinlock_wr);
#if defined(CONFIG_SND_I2S_USE_18V)
writel_relaxed(0x2000200,RK30_GRF_BASE + GRF_IO_CON4);//bit9: 1,1.8v;0,3.3v
#elif defined(CONFIG_SND_I2S_USE_33V)
@@ -764,7 +765,6 @@ static int __devinit rockchip_i2s_probe(struct platform_device *pdev)
if (ret != 0)
goto err_i2sv2;
spin_lock_init(&i2s->spinlock_wr);
return 0;
err_i2sv2: