MLK-20277-1: ASoC: imx-pcm-rpmsg: reset the period index at stop

With the case that underrun happened, the aplay will trigger
stop and start, if the period index is not reset at stop, the
counter of period will be wrong

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>

diff --git a/sound/soc/fsl/imx-pcm-rpmsg.c b/sound/soc/fsl/imx-pcm-rpmsg.c
index 0b55935..4fda493 100644 (file)
--- a/sound/soc/fsl/imx-pcm-rpmsg.c
+++ b/sound/soc/fsl/imx-pcm-rpmsg.c
@@ -451,6 +451,7 @@ static int imx_rpmsg_terminate_all(struct snd_pcm_substream *substream)
        struct i2s_info            *i2s_info =  &rpmsg_i2s->i2s_info;
        struct i2s_rpmsg     *rpmsg;
        u8 index = i2s_info->work_index;
+       int cmd;
 
        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
                rpmsg = &i2s_info->rpmsg[I2S_TX_TERMINATE];
@@ -468,6 +469,18 @@ static int imx_rpmsg_terminate_all(struct snd_pcm_substream *substream)
        i2s_info->work_index++;
        i2s_info->work_index %= WORK_MAX_NUM;
 
+       if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+               cmd = I2S_TX_PERIOD_DONE + I2S_TYPE_A_NUM;
+               i2s_info->rpmsg[cmd].send_msg.param.buffer_tail = 0;
+               i2s_info->rpmsg[cmd].recv_msg.param.buffer_tail = 0;
+               i2s_info->rpmsg[I2S_TX_POINTER].recv_msg.param.buffer_offset = 0;
+       } else {
+               cmd = I2S_RX_PERIOD_DONE + I2S_TYPE_A_NUM;
+               i2s_info->rpmsg[cmd].send_msg.param.buffer_tail = 0;
+               i2s_info->rpmsg[cmd].recv_msg.param.buffer_tail = 0;
+               i2s_info->rpmsg[I2S_RX_POINTER].recv_msg.param.buffer_offset = 0;
+       }
+
        del_timer(&i2s_info->stream_timer[substream->stream]);
        return 0;
 }