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>

1 files changed, 8 insertions, 6 deletions

diff --git a/sound/soc/codecs/rt5514-spi.c b/sound/soc/codecs/rt5514-spi.c
index 18686ffb0cd5..13809821e1f8 100644
--- a/sound/soc/codecs/rt5514-spi.c
+++ b/sound/soc/codecs/rt5514-spi.c
@@ -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);