UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ASoC: rt5514-spi: Get the period_bytes in the copy work to make sure the value correctly 

The value of period_bytes will get the zero before the hw_params() is not
run completely. Move the function snd_pcm_lib_period_bytes() to copy work,
and make sure that is not zero.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Oder Chiou 2018-09-17 19:03:09 +08:00 committed by Mark Brown
parent 75383f8d39
commit fbb673f7c6
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 8 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
sound/soc/codecs/rt5514-spi.c
View File

@ -91,6 +91,14 @@ static void rt5514_spi_copy_work(struct work_struct *work)
runtime = rt5514_dsp->substream->runtime;
period_bytes = snd_pcm_lib_period_bytes(rt5514_dsp->substream);
if (!period_bytes) {
schedule_delayed_work(&rt5514_dsp->copy_work, 5);
goto done;
}
if (rt5514_dsp->buf_size % period_bytes)
rt5514_dsp->buf_size = (rt5514_dsp->buf_size / period_bytes) *
period_bytes;
if (rt5514_dsp->get_size >= rt5514_dsp->buf_size) {
rt5514_spi_burst_read(RT5514_BUFFER_VOICE_WP, (u8 *)&buf,
@ -149,13 +157,11 @@ done:
static void rt5514_schedule_copy(struct rt5514_dsp *rt5514_dsp)
{
size_t period_bytes;
u8 buf[8];
if (!rt5514_dsp->substream)
return;
period_bytes = snd_pcm_lib_period_bytes(rt5514_dsp->substream);
rt5514_dsp->get_size = 0;
/**
@ -183,10 +189,6 @@ static void rt5514_schedule_copy(struct rt5514_dsp *rt5514_dsp)
rt5514_dsp->buf_size = rt5514_dsp->buf_limit - rt5514_dsp->buf_base;
if (rt5514_dsp->buf_size % period_bytes)
rt5514_dsp->buf_size = (rt5514_dsp->buf_size / period_bytes) *
period_bytes;
if (rt5514_dsp->buf_base && rt5514_dsp->buf_limit &&
rt5514_dsp->buf_rp && rt5514_dsp->buf_size)
schedule_delayed_work(&rt5514_dsp->copy_work, 0);