ASoC: fsi: reduce runtime calculation by using pre-setting
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 3241e5b..0d78740 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -167,6 +167,7 @@
int buff_sample_pos; /* sample position of ALSA buffer */
int period_samples; /* sample number / 1 period */
int period_pos; /* current period position */
+ int sample_width; /* sample width */
int uerr_num;
int oerr_num;
@@ -406,6 +407,7 @@
io->buff_sample_pos = 0;
io->period_samples = fsi_frame2sample(fsi, runtime->period_size);
io->period_pos = 0;
+ io->sample_width = samples_to_bytes(runtime, 1);
io->oerr_num = -1; /* ignore 1st err */
io->uerr_num = -1; /* ignore 1st err */
spin_unlock_irqrestore(&master->lock, flags);
@@ -431,6 +433,7 @@
io->buff_sample_pos = 0;
io->period_samples = 0;
io->period_pos = 0;
+ io->sample_width = 0;
io->oerr_num = 0;
io->uerr_num = 0;
spin_unlock_irqrestore(&master->lock, flags);
@@ -752,7 +755,6 @@
int is_play = fsi_stream_is_play(stream);
struct fsi_stream *io = fsi_get_stream(fsi, is_play);
int sample_residues;
- int sample_width;
int samples;
int samples_max;
int over_period;
@@ -780,9 +782,6 @@
io->buff_sample_pos = 0;
}
- /* get 1 sample data width */
- sample_width = samples_to_bytes(runtime, 1);
-
/* get number of residue samples */
sample_residues = io->buff_sample_capa - io->buff_sample_pos;
@@ -798,7 +797,7 @@
samples = sample_residues;
- switch (sample_width) {
+ switch (io->sample_width) {
case 2:
fn = fsi_dma_soft_push16;
break;
@@ -818,7 +817,7 @@
samples_max = sample_residues;
samples = fsi_get_current_fifo_samples(fsi, is_play);
- switch (sample_width) {
+ switch (io->sample_width) {
case 2:
fn = fsi_dma_soft_pop16;
break;