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Diffstat (limited to 'sound/firewire/tascam/amdtp-tascam.c')
-rw-r--r--sound/firewire/tascam/amdtp-tascam.c62
1 files changed, 2 insertions, 60 deletions
diff --git a/sound/firewire/tascam/amdtp-tascam.c b/sound/firewire/tascam/amdtp-tascam.c
index 9dd0fccd5ccc..6aff1fc1c72d 100644
--- a/sound/firewire/tascam/amdtp-tascam.c
+++ b/sound/firewire/tascam/amdtp-tascam.c
@@ -14,10 +14,6 @@
struct amdtp_tscm {
unsigned int pcm_channels;
-
- void (*transfer_samples)(struct amdtp_stream *s,
- struct snd_pcm_substream *pcm,
- __be32 *buffer, unsigned int frames);
};
int amdtp_tscm_set_parameters(struct amdtp_stream *s, unsigned int rate)
@@ -62,31 +58,6 @@ static void write_pcm_s32(struct amdtp_stream *s,
}
}
-static void write_pcm_s16(struct amdtp_stream *s,
- struct snd_pcm_substream *pcm,
- __be32 *buffer, unsigned int frames)
-{
- struct amdtp_tscm *p = s->protocol;
- struct snd_pcm_runtime *runtime = pcm->runtime;
- unsigned int channels, remaining_frames, i, c;
- const u16 *src;
-
- channels = p->pcm_channels;
- src = (void *)runtime->dma_area +
- frames_to_bytes(runtime, s->pcm_buffer_pointer);
- remaining_frames = runtime->buffer_size - s->pcm_buffer_pointer;
-
- for (i = 0; i < frames; ++i) {
- for (c = 0; c < channels; ++c) {
- buffer[c] = cpu_to_be32(*src << 16);
- src++;
- }
- buffer += s->data_block_quadlets;
- if (--remaining_frames == 0)
- src = (void *)runtime->dma_area;
- }
-}
-
static void read_pcm_s32(struct amdtp_stream *s,
struct snd_pcm_substream *pcm,
__be32 *buffer, unsigned int frames)
@@ -146,44 +117,16 @@ int amdtp_tscm_add_pcm_hw_constraints(struct amdtp_stream *s,
return amdtp_stream_add_pcm_hw_constraints(s, runtime);
}
-void amdtp_tscm_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format)
-{
- struct amdtp_tscm *p = s->protocol;
-
- if (WARN_ON(amdtp_stream_pcm_running(s)))
- return;
-
- switch (format) {
- default:
- WARN_ON(1);
- /* fall through */
- case SNDRV_PCM_FORMAT_S16:
- if (s->direction == AMDTP_OUT_STREAM) {
- p->transfer_samples = write_pcm_s16;
- break;
- }
- WARN_ON(1);
- /* fall through */
- case SNDRV_PCM_FORMAT_S32:
- if (s->direction == AMDTP_OUT_STREAM)
- p->transfer_samples = write_pcm_s32;
- else
- p->transfer_samples = read_pcm_s32;
- break;
- }
-}
-
static unsigned int process_tx_data_blocks(struct amdtp_stream *s,
__be32 *buffer,
unsigned int data_blocks,
unsigned int *syt)
{
- struct amdtp_tscm *p = (struct amdtp_tscm *)s->protocol;
struct snd_pcm_substream *pcm;
pcm = ACCESS_ONCE(s->pcm);
if (data_blocks > 0 && pcm)
- p->transfer_samples(s, pcm, buffer, data_blocks);
+ read_pcm_s32(s, pcm, buffer, data_blocks);
/* A place holder for control messages. */
@@ -195,7 +138,6 @@ static unsigned int process_rx_data_blocks(struct amdtp_stream *s,
unsigned int data_blocks,
unsigned int *syt)
{
- struct amdtp_tscm *p = (struct amdtp_tscm *)s->protocol;
struct snd_pcm_substream *pcm;
/* This field is not used. */
@@ -203,7 +145,7 @@ static unsigned int process_rx_data_blocks(struct amdtp_stream *s,
pcm = ACCESS_ONCE(s->pcm);
if (pcm)
- p->transfer_samples(s, pcm, buffer, data_blocks);
+ write_pcm_s32(s, pcm, buffer, data_blocks);
else
write_pcm_silence(s, buffer, data_blocks);