1 files changed, 3 insertions, 43 deletions

diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
index a9829aa26e53..60b1b3e1094b 100644
--- a/sound/soc/codecs/wm8776.c
+++ b/sound/soc/codecs/wm8776.c
@@ -20,6 +20,7 @@
 #include <linux/i2c.h>
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
+#include <linux/slab.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -406,6 +407,8 @@ static int wm8776_resume(struct platform_device *pdev)
 
         /* Sync reg_cache with the hardware */
         for (i = 0; i < ARRAY_SIZE(wm8776_reg); i++) {
+                if (cache[i] == wm8776_reg[i])
+                        continue;
                 data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
                 data[1] = cache[i] & 0x00ff;
                 codec->hw_write(codec->control_data, data, 2);
@@ -447,17 +450,8 @@ static int wm8776_probe(struct platform_device *pdev)
                                   ARRAY_SIZE(wm8776_dapm_widgets));
         snd_soc_dapm_add_routes(codec, routes, ARRAY_SIZE(routes));
 
-        ret = snd_soc_init_card(socdev);
-        if (ret < 0) {
-                dev_err(codec->dev, "failed to register card: %d\n", ret);
-                goto card_err;
-        }
-
         return ret;
 
-card_err:
-        snd_soc_free_pcms(socdev);
-        snd_soc_dapm_free(socdev);
 pcm_err:
         return ret;
 }
@@ -616,21 +610,6 @@ static int __devexit wm8776_spi_remove(struct spi_device *spi)
         return 0;
 }
 
-#ifdef CONFIG_PM
-static int wm8776_spi_suspend(struct spi_device *spi, pm_message_t msg)
-{
-        return snd_soc_suspend_device(&spi->dev);
-}
-
-static int wm8776_spi_resume(struct spi_device *spi)
-{
-        return snd_soc_resume_device(&spi->dev);
-}
-#else
-#define wm8776_spi_suspend NULL
-#define wm8776_spi_resume NULL
-#endif
-
 static struct spi_driver wm8776_spi_driver = {
         .driver = {
                 .name   = "wm8776",
@@ -638,8 +617,6 @@ static struct spi_driver wm8776_spi_driver = {
                 .owner  = THIS_MODULE,
         },
         .probe          = wm8776_spi_probe,
-        .suspend        = wm8776_spi_suspend,
-        .resume         = wm8776_spi_resume,
         .remove         = __devexit_p(wm8776_spi_remove),
 };
 #endif /* CONFIG_SPI_MASTER */
@@ -673,21 +650,6 @@ static __devexit int wm8776_i2c_remove(struct i2c_client *client)
         return 0;
 }
 
-#ifdef CONFIG_PM
-static int wm8776_i2c_suspend(struct i2c_client *i2c, pm_message_t msg)
-{
-        return snd_soc_suspend_device(&i2c->dev);
-}
-
-static int wm8776_i2c_resume(struct i2c_client *i2c)
-{
-        return snd_soc_resume_device(&i2c->dev);
-}
-#else
-#define wm8776_i2c_suspend NULL
-#define wm8776_i2c_resume NULL
-#endif
-
 static const struct i2c_device_id wm8776_i2c_id[] = {
         { "wm8776", 0 },
         { }
@@ -701,8 +663,6 @@ static struct i2c_driver wm8776_i2c_driver = {
         },
         .probe =    wm8776_i2c_probe,
         .remove =   __devexit_p(wm8776_i2c_remove),
-        .suspend =  wm8776_i2c_suspend,
-        .resume =   wm8776_i2c_resume,
         .id_table = wm8776_i2c_id,
 };
 #endif