ASoC: sam9g20_wm8731: use dev_*() logging functions

Use dev_*() logging functions instead of plain printk and as
messages are now properly prefixed drop 'ASoC' prefix as well.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/atmel/sam9g20_wm8731.c

@@ -110,16 +110,15 @@ static const struct snd_soc_dapm_route intercon[] = {
 static int at91sam9g20ek_wm8731_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct device *dev = rtd->dev;
 	int ret;
 
-	printk(KERN_DEBUG
-			"at91sam9g20ek_wm8731 "
-			": at91sam9g20ek_wm8731_init() called\n");
+	dev_dbg(dev, "%s called\n", __func__);
 
 	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);
+		dev_err(dev, "Failed to set WM8731 SYSCLK: %d\n", ret);
 		return ret;
 	}
 
@@ -179,21 +178,21 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)
 	 */
 	mclk = clk_get(NULL, "pck0");
 	if (IS_ERR(mclk)) {
-		printk(KERN_ERR "ASoC: Failed to get MCLK\n");
+		dev_err(&pdev->dev, "Failed to get MCLK\n");
 		ret = PTR_ERR(mclk);
 		goto err;
 	}
 
 	pllb = clk_get(NULL, "pllb");
 	if (IS_ERR(pllb)) {
-		printk(KERN_ERR "ASoC: Failed to get PLLB\n");
+		dev_err(&pdev->dev, "Failed to get PLLB\n");
 		ret = PTR_ERR(pllb);
 		goto err_mclk;
 	}
 	ret = clk_set_parent(mclk, pllb);
 	clk_put(pllb);
 	if (ret != 0) {
-		printk(KERN_ERR "ASoC: Failed to set MCLK parent\n");
+		dev_err(&pdev->dev, "Failed to set MCLK parent\n");
 		goto err_mclk;
 	}
 
@@ -236,7 +235,7 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)
 
 	ret = snd_soc_register_card(card);
 	if (ret) {
-		printk(KERN_ERR "ASoC: snd_soc_register_card() failed\n");
+		dev_err(&pdev->dev, "snd_soc_register_card() failed\n");
 	}
 
 	return ret;