Commit ccb3b84f authored by Vasily Khoruzhick's avatar Vasily Khoruzhick Committed by Mark Brown

ASoC: RX1950: Fix hw_params function

Unfortunatelly, I misunderstood datasheet, and on s3c244x-iis
when MPLLin source for master clock is selected, prescaler has
no effect. Remove dividor calculation for 44100 rate; remove 88200
rate at all, rx1950 can't do it.
Signed-off-by: default avatarVasily Khoruzhick <anarsoul@gmail.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent bbde7814
......@@ -50,7 +50,6 @@ static unsigned int rates[] = {
16000,
44100,
48000,
88200,
};
static struct snd_pcm_hw_constraint_list hw_rates = {
......@@ -130,7 +129,6 @@ static const struct snd_soc_dapm_route audio_map[] = {
};
static struct platform_device *s3c24xx_snd_device;
static struct clk *xtal;
static int rx1950_startup(struct snd_pcm_substream *substream)
{
......@@ -179,10 +177,8 @@ static int rx1950_hw_params(struct snd_pcm_substream *substream,
case 44100:
case 88200:
clk_source = S3C24XX_CLKSRC_MPLL;
fs_mode = S3C2410_IISMOD_256FS;
div = clk_get_rate(xtal) / (256 * rate);
if (clk_get_rate(xtal) % (256 * rate) > (128 * rate))
div++;
fs_mode = S3C2410_IISMOD_384FS;
div = 1;
break;
default:
printk(KERN_ERR "%s: rate %d is not supported\n",
......@@ -210,7 +206,7 @@ static int rx1950_hw_params(struct snd_pcm_substream *substream,
/* set MCLK division for sample rate */
ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK,
S3C2410_IISMOD_384FS);
fs_mode);
if (ret < 0)
return ret;
......@@ -295,17 +291,8 @@ static int __init rx1950_init(void)
goto err_plat_add;
}
xtal = clk_get(&s3c24xx_snd_device->dev, "xtal");
if (IS_ERR(xtal)) {
ret = PTR_ERR(xtal);
platform_device_unregister(s3c24xx_snd_device);
goto err_clk;
}
return 0;
err_clk:
err_plat_add:
err_plat_alloc:
err_gpio_conf:
......@@ -320,7 +307,6 @@ static void __exit rx1950_exit(void)
platform_device_unregister(s3c24xx_snd_device);
snd_soc_jack_free_gpios(&hp_jack, ARRAY_SIZE(hp_jack_gpios),
hp_jack_gpios);
clk_put(xtal);
gpio_free(S3C2410_GPA(1));
}
......
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