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-rw-r--r--include/sound/pcm.h2
-rw-r--r--sound/core/pcm_lib.c38
-rw-r--r--sound/soc/fsl/fsl_sai.c13
3 files changed, 2 insertions, 51 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index a07b670..84b10f9 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -418,8 +418,6 @@ struct snd_pcm_substream {
#endif
/* misc flags */
unsigned int hw_opened: 1;
- /* data swapped flags */
- unsigned int data_swapped;
};
#define SUBSTREAM_BUSY(substream) ((substream)->ref_count > 0)
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 6dd3089..e1ef106 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1964,9 +1964,6 @@ static int snd_pcm_lib_write_transfer(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
char __user *buf = (char __user *) data + frames_to_bytes(runtime, off);
- int i;
- char tmp;
-
if (substream->ops->copy) {
if ((err = substream->ops->copy(substream, -1, hwoff, buf, frames)) < 0)
return err;
@@ -1974,22 +1971,6 @@ static int snd_pcm_lib_write_transfer(struct snd_pcm_substream *substream,
char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff);
if (copy_from_user(hwbuf, buf, frames_to_bytes(runtime, frames)))
return -EFAULT;
-
- if (substream->data_swapped) {
- switch (runtime->format) {
- case SNDRV_PCM_FORMAT_S16_LE:
- for (i = 0;
- i < frames_to_bytes(runtime, frames);
- i = i + 2) {
- tmp = *(hwbuf + i);
- *(hwbuf + i) = *(hwbuf + i + 1);
- *(hwbuf + i + 1) = tmp;
- }
- break;
- default:
- return -EINVAL;
- }
- }
}
return 0;
}
@@ -2205,30 +2186,11 @@ static int snd_pcm_lib_read_transfer(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
char __user *buf = (char __user *) data + frames_to_bytes(runtime, off);
- int i;
- char tmp;
-
if (substream->ops->copy) {
if ((err = substream->ops->copy(substream, -1, hwoff, buf, frames)) < 0)
return err;
} else {
char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff);
- if (substream->data_swapped) {
- switch (runtime->format) {
- case SNDRV_PCM_FORMAT_S16_LE:
- for (i = 0;
- i < frames_to_bytes(runtime, frames);
- i = i + 2) {
- tmp = *(hwbuf + i);
- *(hwbuf + i) = *(hwbuf + i + 1);
- *(hwbuf + i + 1) = tmp;
- }
- break;
- default:
- return -EINVAL;
- }
- }
-
if (copy_to_user(buf, hwbuf, frames_to_bytes(runtime, frames)))
return -EFAULT;
}
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 3653b25..896f011 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -334,9 +334,6 @@ static int fsl_sai_startup(struct snd_pcm_substream *substream,
struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);
u32 reg;
- if (sai->big_endian_regs)
- substream->data_swapped = 1;
-
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
reg = FSL_SAI_TCR3;
else
@@ -555,14 +552,8 @@ static int fsl_sai_probe(struct platform_device *pdev)
return PTR_ERR(sai->regmap);
}
- if (sai->big_endian_regs) {
- sai->dma_params_rx.addr = res->start + FSL_SAI_RDR + 2;
- sai->dma_params_tx.addr = res->start + FSL_SAI_TDR + 2;
- } else {
- sai->dma_params_rx.addr = res->start + FSL_SAI_RDR;
- sai->dma_params_tx.addr = res->start + FSL_SAI_TDR;
- }
-
+ sai->dma_params_rx.addr = res->start + FSL_SAI_RDR;
+ sai->dma_params_tx.addr = res->start + FSL_SAI_TDR;
sai->dma_params_rx.maxburst = FSL_SAI_MAXBURST_RX;
sai->dma_params_tx.maxburst = FSL_SAI_MAXBURST_TX;