diff options
| author | Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> | 2022-08-22 13:15:01 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-08-31 14:12:58 +0300 |
| commit | 272ff8828f35658aace17e3227624fbbd68a6bcf (patch) | |
| tree | bf5ac1f072c7095adea3f3bbceecd560bfecab2c /sound/soc/sof/compress.c | |
| parent | ced579dcaaa45fe16ac6c12fe847d650734af7bb (diff) | |
| download | linux-272ff8828f35658aace17e3227624fbbd68a6bcf.tar.xz | |
ASoC: SOF: compress: Move sof_compr_copy functionality
Since we're preparing to add support for compress capture,
we need to move the content of sof_compr_copy into a
separate function which handles the playback direction just
like the initial sof_compr_copy.
Reviewed-by: Paul Olaru <paul.olaru@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Link: https://lore.kernel.org/r/20220822101502.17644-2-laurentiu.mihalcea@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/compress.c')
| -rw-r--r-- | sound/soc/sof/compress.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/sound/soc/sof/compress.c b/sound/soc/sof/compress.c index c8ae778a50d1..2ee81096bec5 100644 --- a/sound/soc/sof/compress.c +++ b/sound/soc/sof/compress.c @@ -297,18 +297,13 @@ static int sof_compr_trigger(struct snd_soc_component *component, &reply, sizeof(reply)); } -static int sof_compr_copy(struct snd_soc_component *component, - struct snd_compr_stream *cstream, - char __user *buf, size_t count) +static int sof_compr_copy_playback(struct snd_compr_runtime *rtd, + char __user *buf, size_t count) { - struct snd_compr_runtime *rtd = cstream->runtime; - unsigned int offset, n; void *ptr; + unsigned int offset, n; int ret; - if (count > rtd->buffer_size) - count = rtd->buffer_size; - div_u64_rem(rtd->total_bytes_available, rtd->buffer_size, &offset); ptr = rtd->dma_area + offset; n = rtd->buffer_size - offset; @@ -323,6 +318,18 @@ static int sof_compr_copy(struct snd_soc_component *component, return count - ret; } +static int sof_compr_copy(struct snd_soc_component *component, + struct snd_compr_stream *cstream, + char __user *buf, size_t count) +{ + struct snd_compr_runtime *rtd = cstream->runtime; + + if (count > rtd->buffer_size) + count = rtd->buffer_size; + + return sof_compr_copy_playback(rtd, buf, count); +} + static int sof_compr_pointer(struct snd_soc_component *component, struct snd_compr_stream *cstream, struct snd_compr_tstamp *tstamp) |