S626_WS1
ws_image = (chan & 2) ? S626_WS1 : S626_WS2;
writel(S626_XSD2 | S626_XFIFO_3 | S626_WS1,
writel(S626_XSD2 | S626_XFIFO_2 | S626_WS1 | S626_EOS,