[alsa-devel] For playback method of stopping after the execution aplay command

Hello

Use ALSA aplay command we have developed a device for audio reproduction.

After the audio playback at aplay command, forcibly or will not tell us what should take what way to halt the play. (After starting the aplay command, I tried a way to kill the process, but it could have taken to stop playing, rarely Linux There was to be a iowaitsleep state)

best regards