196 	int buffer_tail = 0;  in imx_rpmsg_pcm_pointer()  local
203 	buffer_tail = msg->r_msg.param.buffer_tail;  in imx_rpmsg_pcm_pointer()
204 	pos = buffer_tail * snd_pcm_lib_period_bytes(substream);  in imx_rpmsg_pcm_pointer()
242 		info->msg[cmd].s_msg.param.buffer_tail = 0;  in imx_rpmsg_pcm_open()
243 		info->msg[cmd].r_msg.param.buffer_tail = 0;  in imx_rpmsg_pcm_open()
252 		info->msg[cmd].s_msg.param.buffer_tail = 0;  in imx_rpmsg_pcm_open()
253 		info->msg[cmd].r_msg.param.buffer_tail = 0;  in imx_rpmsg_pcm_open()
364 	msg->s_msg.param.buffer_tail = 0;  in imx_rpmsg_prepare_and_submit()
438 		info->msg[cmd].s_msg.param.buffer_tail = 0;  in imx_rpmsg_terminate_all()
439 		info->msg[cmd].r_msg.param.buffer_tail = 0;  in imx_rpmsg_terminate_all()
446 		info->msg[cmd].s_msg.param.buffer_tail = 0;  in imx_rpmsg_terminate_all()
447 		info->msg[cmd].r_msg.param.buffer_tail = 0;  in imx_rpmsg_terminate_all()
523 	int buffer_tail = 0;  in imx_rpmsg_pcm_ack()  local
539 	buffer_tail = (frames_to_bytes(runtime, runtime->control->appl_ptr) %  in imx_rpmsg_pcm_ack()
541 	buffer_tail = buffer_tail / snd_pcm_lib_period_bytes(substream);  in imx_rpmsg_pcm_ack()
544 	if (buffer_tail != msg->s_msg.param.buffer_tail) {  in imx_rpmsg_pcm_ack()
545 		written_num = buffer_tail - msg->s_msg.param.buffer_tail;  in imx_rpmsg_pcm_ack()
549 		msg->s_msg.param.buffer_tail = buffer_tail;  in imx_rpmsg_pcm_ack()