ASoC: samsung: Fix checking return value of clk_get

clk_get() returns a pointer to the struct clk or an ERR_PTR().
This patch also use PTR_ERR() for return value.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

3 files changed, 8 insertions, 8 deletions

diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c
index 841ab14c1100..7ab8e2c29216 100644
--- a/sound/soc/samsung/s3c2412-i2s.c
+++ b/sound/soc/samsung/s3c2412-i2s.c
@@ -69,10 +69,10 @@ static int s3c2412_i2s_probe(struct snd_soc_dai *dai)
         s3c2412_i2s.dma_playback = &s3c2412_i2s_pcm_stereo_out;
 
         s3c2412_i2s.iis_cclk = clk_get(dai->dev, "i2sclk");
-        if (s3c2412_i2s.iis_cclk == NULL) {
+        if (IS_ERR(s3c2412_i2s.iis_cclk)) {
                 pr_err("failed to get i2sclk clock\n");
                 iounmap(s3c2412_i2s.regs);
-                return -ENODEV;
+                return PTR_ERR(s3c2412_i2s.iis_cclk);
         }
 
         /* Set MPLL as the source for IIS CLK */
diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c
index 63d8849d80bd..21c92e2e3007 100644
--- a/sound/soc/samsung/s3c24xx-i2s.c
+++ b/sound/soc/samsung/s3c24xx-i2s.c
@@ -383,10 +383,10 @@ static int s3c24xx_i2s_probe(struct snd_soc_dai *dai)
                 return -ENXIO;
 
         s3c24xx_i2s.iis_clk = clk_get(dai->dev, "iis");
-        if (s3c24xx_i2s.iis_clk == NULL) {
+        if (IS_ERR(s3c24xx_i2s.iis_clk)) {
                 pr_err("failed to get iis_clock\n");
                 iounmap(s3c24xx_i2s.regs);
-                return -ENODEV;
+                return PTR_ERR(s3c24xx_i2s.iis_clk);
         }
         clk_enable(s3c24xx_i2s.iis_clk);
 
diff --git a/sound/soc/samsung/s3c24xx_uda134x.c b/sound/soc/samsung/s3c24xx_uda134x.c
index dc9d551f6788..65c1cfd47d8a 100644
--- a/sound/soc/samsung/s3c24xx_uda134x.c
+++ b/sound/soc/samsung/s3c24xx_uda134x.c
@@ -66,17 +66,17 @@ static int s3c24xx_uda134x_startup(struct snd_pcm_substream *substream)
         pr_debug("%s %d\n", __func__, clk_users);
         if (clk_users == 0) {
                 xtal = clk_get(&s3c24xx_uda134x_snd_device->dev, "xtal");
-                if (!xtal) {
+                if (IS_ERR(xtal)) {
                         printk(KERN_ERR "%s cannot get xtal\n", __func__);
-                        ret = -EBUSY;
+                        ret = PTR_ERR(xtal);
                 } else {
                         pclk = clk_get(&s3c24xx_uda134x_snd_device->dev,
                                        "pclk");
-                        if (!pclk) {
+                        if (IS_ERR(pclk)) {
                                 printk(KERN_ERR "%s cannot get pclk\n",
                                        __func__);
                                 clk_put(xtal);
-                                ret = -EBUSY;
+                                ret = PTR_ERR(pclk);
                         }
                 }
                 if (!ret) {