ASoC: dpcm: allow start or stop during pause for backend

commit 21fca8bdbb64df1297e8c65a746c4c9f4a689751 upstream.

soc_compr_trigger_fe() allows start or stop after pause_push.
In dpcm_be_dai_trigger(), however, only pause_release is allowed
command after pause_push.
So, start or stop after pause in compress offload is always
returned as error if the compress offload is used with dpcm.
To fix the problem, SND_SOC_DPCM_STATE_PAUSED should be allowed
for start or stop command.

Signed-off-by: Gyeongtaek Lee <gt82.lee@samsung.com>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/004d01d607c1$7a3d5250$6eb7f6f0$@samsung.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index e75822dd9930f7d7ff05b20096d3db5c8c2f44e8..fd4b71729eedda0e070a3ae773d74af34a006d18 100644 (file)
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2048,7 +2048,8 @@ int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
                switch (cmd) {
                case SNDRV_PCM_TRIGGER_START:
                        if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_PREPARE) &&
-                           (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP))
+                           (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP) &&
+                           (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED))
                                continue;
 
                        ret = dpcm_do_trigger(dpcm, be_substream, cmd);
@@ -2078,7 +2079,8 @@ int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
                        be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
                        break;
                case SNDRV_PCM_TRIGGER_STOP:
-                       if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START)
+                       if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_START) &&
+                           (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED))
                                continue;
 
                        if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream))