From: Jeeja KP jeeja.kp@intel.com
If PCM is paused and then we do system supend-resume, the stream throws error(EBADF) when stream is paused released.
Check the pcm state before pause/release and if stream is suspended, call snd_pcm_resume to resume the stream.
Signed-off-by: Vinod Koul vinod.koul@intel.com Signed-off-by: Jeeja KP jeeja.kp@intel.com --- aplay/aplay.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/aplay/aplay.c b/aplay/aplay.c index 2da7dda..ee480f2 100644 --- a/aplay/aplay.c +++ b/aplay/aplay.c @@ -166,6 +166,8 @@ static void end_wave(int fd); static void begin_au(int fd, size_t count); static void end_au(int fd);
+static void suspend(void); + static const struct fmt_capture { void (*start) (int fd, size_t count); void (*end) (int fd); @@ -1487,6 +1489,9 @@ static void do_pause(void) fprintf(stderr, _("\rPAUSE command ignored (no hw support)\n")); return; } + if (snd_pcm_state(handle) == SND_PCM_STATE_SUSPENDED) + suspend(); + err = snd_pcm_pause(handle, 1); if (err < 0) { error(_("pause push error: %s"), snd_strerror(err)); @@ -1496,6 +1501,8 @@ static void do_pause(void) while (read(fileno(stdin), &b, 1) != 1); if (b == ' ' || b == '\r') { while (read(fileno(stdin), &b, 1) == 1); + if (snd_pcm_state(handle) == SND_PCM_STATE_SUSPENDED) + suspend(); err = snd_pcm_pause(handle, 0); if (err < 0) error(_("pause release error: %s"), snd_strerror(err));