861 static int start_transport(struct echoaudio *chip, u32 channel_mask,  in start_transport()  argument
868 	chip->comm_page->cmd_start |= cpu_to_le32(channel_mask);  in start_transport()
876 		chip->active_mask |= channel_mask;  in start_transport()
887 static int pause_transport(struct echoaudio *chip, u32 channel_mask)  in pause_transport()  argument
893 	chip->comm_page->cmd_stop |= cpu_to_le32(channel_mask);  in pause_transport()
901 		chip->active_mask &= ~channel_mask;  in pause_transport()
913 static int stop_transport(struct echoaudio *chip, u32 channel_mask)  in stop_transport()  argument
919 	chip->comm_page->cmd_stop |= cpu_to_le32(channel_mask);  in stop_transport()
920 	chip->comm_page->cmd_reset |= cpu_to_le32(channel_mask);  in stop_transport()
927 		chip->active_mask &= ~channel_mask;  in stop_transport()
1060 	u32 channel_mask;  in allocate_pipes()  local
1068 	for (channel_mask = i = 0; i < interleave; i++)  in allocate_pipes()
1069 		channel_mask |= 1 << (pipe_index + i);  in allocate_pipes()
1070 	if (chip->pipe_alloc_mask & channel_mask) {  in allocate_pipes()
1077 	chip->pipe_alloc_mask |= channel_mask;  in allocate_pipes()
1079 	chip->pipe_cyclic_mask |= channel_mask;  in allocate_pipes()
1096 	u32 channel_mask;  in free_pipes()  local
1104 	for (channel_mask = i = 0; i < pipe->interleave; i++)  in free_pipes()
1105 		channel_mask |= 1 << (pipe->index + i);  in free_pipes()
1107 	chip->pipe_alloc_mask &= ~channel_mask;  in free_pipes()
1108 	chip->pipe_cyclic_mask &= ~channel_mask;  in free_pipes()