av7110_av_start_play
av7110_av_start_play(av7110, mode);
ret = av7110_av_start_play(av7110, RP_AV);
if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
ret = av7110_av_start_play(av7110, RP_VIDEO);
ret = av7110_av_start_play(av7110, RP_AUDIO);
int av7110_av_start_play(struct av7110 *av7110, int av);