CLK_CHANGE
rtsx_usb_add_cmd(ucr, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE, CLK_CHANGE);
ret = rtsx_usb_write_register(ucr, CLK_DIV, CLK_CHANGE, 0);
ret = rtsx_usb_write_register(ucr, CLK_DIV, CLK_CHANGE, 0x00);
rtsx_usb_add_cmd(ucr, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE, CLK_CHANGE);
rtsx_usb_add_cmd(ucr, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE, 0);