ENGR00153793-1 ESAI: Resolve esai codec i2c suspend/resume problem

1)Resolve esai codec i2c suspend/resume problem;
2)Remove imx pcm operating function which already defined in imx-ssi.c

Signed-off-by: Lionel Xu <R63889@freescale.com>

4 files changed, 8 insertions, 98 deletions

diff --git a/sound/soc/codecs/cs42888.c b/sound/soc/codecs/cs42888.c
index 90894c007f9f..2ccc9dfbbf68 100644
--- a/sound/soc/codecs/cs42888.c
+++ b/sound/soc/codecs/cs42888.c
@@ -31,7 +31,6 @@
 #include <sound/tlv.h>
 #include <sound/initval.h>
 #include <asm/div64.h>
-
 #include "cs42888.h"
 #define CS42888_NUM_SUPPLIES 4
 static const char *cs42888_supply_names[CS42888_NUM_SUPPLIES] = {
@@ -147,7 +146,7 @@ static const char *cs42888_supply_names[CS42888_NUM_SUPPLIES] = {
 
 /* Private data for the CS42888 */
 struct cs42888_private {
-	struct snd_soc_codec codec;
+	struct snd_soc_codec *codec;
 	u8 reg_cache[CS42888_NUMREGS + 1];
 	unsigned int mclk; /* Input frequency of the MCLK pin */
 	unsigned int mode; /* The mode (I2S or left-justified) */
@@ -195,6 +194,8 @@ static void dump_reg(struct snd_soc_codec *codec)
 {
 	int i, reg;
 	int ret;
+	u8 *cache = codec->reg_cache + 1;
+
 	printk(KERN_DEBUG "dump begin\n");
 	printk(KERN_DEBUG "reg value in cache\n");
 	for (i = 0; i < CS42888_NUMREGS; i++)
@@ -781,6 +782,8 @@ static int cs42888_probe(struct snd_soc_codec *codec)
 	int val;
 
 	struct cs42888_private *cs42888 = snd_soc_codec_get_drvdata(codec);
+	cs42888->codec = codec;
+
 	/* setup i2c data ops */
 	ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
 	if (ret < 0) {
@@ -964,7 +967,7 @@ MODULE_DEVICE_TABLE(i2c, cs42888_i2c_id);
 static int cs42888_i2c_suspend(struct i2c_client *client, pm_message_t mesg)
 {
 	struct cs42888_private *cs42888 = i2c_get_clientdata(client);
-	struct snd_soc_codec *codec = &cs42888->codec;
+	struct snd_soc_codec *codec = cs42888->codec;
 	int reg = snd_soc_read(codec, CS42888_PWRCTL) | CS42888_PWRCTL_PDN_MASK;
 
 	return snd_soc_write(codec, CS42888_PWRCTL, reg);
@@ -973,7 +976,7 @@ static int cs42888_i2c_suspend(struct i2c_client *client, pm_message_t mesg)
 static int cs42888_i2c_resume(struct i2c_client *client)
 {
 	struct cs42888_private *cs42888 = i2c_get_clientdata(client);
-	struct snd_soc_codec *codec = &cs42888->codec;
+	struct snd_soc_codec *codec = cs42888->codec;
 	int reg;
 
 	/* In case the device was put to hard reset during sleep, we need to
diff --git a/sound/soc/imx/Makefile b/sound/soc/imx/Makefile
index 566acffdbf92..a364c0faaff4 100644
--- a/sound/soc/imx/Makefile
+++ b/sound/soc/imx/Makefile
@@ -1,5 +1,5 @@
 # i.MX Platform Support
-snd-soc-imx-objs := imx-esai.o
+snd-soc-imx-objs := imx-ssi.o imx-esai.o
 snd-soc-imx-fiq-objs := imx-pcm-fiq.o
 snd-soc-imx-mx2-objs := imx-pcm-dma-mx2.o
 snd-soc-imx-spdif-dai-objs := imx-spdif-dai.o
diff --git a/sound/soc/imx/imx-esai.c b/sound/soc/imx/imx-esai.c
index 03bf0744cbb0..c07b69bec975 100644
--- a/sound/soc/imx/imx-esai.c
+++ b/sound/soc/imx/imx-esai.c
@@ -543,94 +543,6 @@ static struct snd_soc_dai_driver imx_esai_dai = {
 	 .ops = &imx_esai_dai_ops,
 };
 
-int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
-		struct vm_area_struct *vma)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	int ret;
-
-	ret = dma_mmap_coherent(NULL, vma, runtime->dma_area,
-			runtime->dma_addr, runtime->dma_bytes);
-
-	pr_debug("%s: ret: %d %p 0x%08x 0x%08x\n", __func__, ret,
-			runtime->dma_area,
-			runtime->dma_addr,
-			runtime->dma_bytes);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(snd_imx_pcm_mmap);
-
-static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
-{
-	struct snd_pcm_substream *substream = pcm->streams[stream].substream;
-	struct snd_dma_buffer *buf = &substream->dma_buffer;
-	size_t size = IMX_ESAI_DMABUF_SIZE;
-
-	buf->dev.type = SNDRV_DMA_TYPE_DEV;
-	buf->dev.dev = pcm->card->dev;
-	buf->private_data = NULL;
-	buf->area = dma_alloc_writecombine(pcm->card->dev, size,
-					   &buf->addr, GFP_KERNEL);
-	if (!buf->area)
-		return -ENOMEM;
-	buf->bytes = size;
-
-	return 0;
-}
-
-static u64 imx_pcm_dmamask = DMA_BIT_MASK(32);
-
-int imx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
-	struct snd_pcm *pcm)
-{
-
-	int ret = 0;
-
-	if (!card->dev->dma_mask)
-		card->dev->dma_mask = &imx_pcm_dmamask;
-	if (!card->dev->coherent_dma_mask)
-		card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
-	if (dai->driver->playback.channels_min) {
-		ret = imx_pcm_preallocate_dma_buffer(pcm,
-			SNDRV_PCM_STREAM_PLAYBACK);
-		if (ret)
-			goto out;
-	}
-
-	if (dai->driver->capture.channels_min) {
-		ret = imx_pcm_preallocate_dma_buffer(pcm,
-			SNDRV_PCM_STREAM_CAPTURE);
-		if (ret)
-			goto out;
-	}
-
-out:
-	return ret;
-}
-EXPORT_SYMBOL_GPL(imx_pcm_new);
-
-void imx_pcm_free(struct snd_pcm *pcm)
-{
-	struct snd_pcm_substream *substream;
-	struct snd_dma_buffer *buf;
-	int stream;
-
-	for (stream = 0; stream < 2; stream++) {
-		substream = pcm->streams[stream].substream;
-		if (!substream)
-			continue;
-
-		buf = &substream->dma_buffer;
-		if (!buf->area)
-			continue;
-
-		dma_free_writecombine(pcm->card->dev, buf->bytes,
-				      buf->area, buf->addr);
-		buf->area = NULL;
-	}
-}
-EXPORT_SYMBOL_GPL(imx_pcm_free);
-
 static int imx_esai_probe(struct platform_device *pdev)
 {
 	struct resource *res;
diff --git a/sound/soc/imx/imx-esai.h b/sound/soc/imx/imx-esai.h
index ac50e72dc57b..e8f2a71a6e71 100644
--- a/sound/soc/imx/imx-esai.h
+++ b/sound/soc/imx/imx-esai.h
@@ -326,10 +326,5 @@ struct imx_esai {
 	struct platform_device *soc_platform_pdev;
 	struct platform_device *soc_platform_pdev_fiq;
 };
-int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, \
-	struct vm_area_struct *vma);
-int imx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
-	struct snd_pcm *pcm);
-void imx_pcm_free(struct snd_pcm *pcm);
 
 #endif