ASoC: Add suspend and resume callbacks to Wolfson CODEC drivers

[deliverable/linux.git] / sound / soc / codecs / wm8580.c

diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c
index 9f6be3d31ac0a8268473463c39ac6c3066b01b75..261ef101d4fc44b992d83b9da6db5b38865ab693 100644 (file)
--- a/sound/soc/codecs/wm8580.c
+++ b/sound/soc/codecs/wm8580.c
@@ -415,7 +415,7 @@ static int pll_factors(struct _pll_div *pll_div, unsigned int target,
        unsigned int K, Ndiv, Nmod;
        int i;
 
-       pr_debug("wm8580: PLL %dHz->%dHz\n", source, target);
+       pr_debug("wm8580: PLL %uHz->%uHz\n", source, target);
 
        /* Scale the output frequency up; the PLL should run in the
         * region of 90-100MHz.
@@ -447,7 +447,7 @@ static int pll_factors(struct _pll_div *pll_div, unsigned int target,
 
        if ((Ndiv < 5) || (Ndiv > 13)) {
                printk(KERN_ERR
-                       "WM8580 N=%d outside supported range\n", Ndiv);
+                       "WM8580 N=%u outside supported range\n", Ndiv);
                return -EINVAL;
        }
 
@@ -995,6 +995,21 @@ static int wm8580_i2c_remove(struct i2c_client *client)
        return 0;
 }
 
+#ifdef CONFIG_PM
+static int wm8580_i2c_suspend(struct i2c_client *client, pm_message_t msg)
+{
+       return snd_soc_suspend_device(&client->dev);
+}
+
+static int wm8580_i2c_resume(struct i2c_client *client)
+{
+       return snd_soc_resume_device(&client->dev);
+}
+#else
+#define wm8580_i2c_suspend NULL
+#define wm8580_i2c_resume NULL
+#endif
+
 static const struct i2c_device_id wm8580_i2c_id[] = {
        { "wm8580", 0 },
        { }
@@ -1008,6 +1023,8 @@ static struct i2c_driver wm8580_i2c_driver = {
        },
        .probe =    wm8580_i2c_probe,
        .remove =   wm8580_i2c_remove,
+       .suspend =  wm8580_i2c_suspend,
+       .resume =   wm8580_i2c_resume,
        .id_table = wm8580_i2c_id,
 };
 #endif