ASoC: sam9g20_wm8731: use the proper SYSCKL value

at91sam9g20 is providing master clock to wm8731: not using a crystal but an
external MCLK. We can avoid conflict and save power using WM8731_SYSCLK_MCLK as
we do not need oscillator to be powered.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c
index 28afbbf..95572d2 100644 (file)
--- a/sound/soc/atmel/sam9g20_wm8731.c
+++ b/sound/soc/atmel/sam9g20_wm8731.c
@@ -146,7 +146,7 @@ static int at91sam9g20ek_wm8731_init(struct snd_soc_pcm_runtime *rtd)
                        "at91sam9g20ek_wm8731 "
                        ": at91sam9g20ek_wm8731_init() called\n");
 
-       ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
+       ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_MCLK,
                MCLK_RATE, SND_SOC_CLOCK_IN);
        if (ret < 0) {
                printk(KERN_ERR "Failed to set WM8731 SYSCLK: %d\n", ret);