On Fri, Jan 18, 2013 at 08:12:33AM +0800, Randy Li wrote: > I am going to write the driver for ch341a SPI function. When I > readed the driver/usb/serial/ch341.c , I think that ch341 use vender > usb request and request type( non-standard usb request and request > type) or I may be wrong. But how does the writer of ch341.c knew > those infomation, I don't find those info from official pdf? I don't know where the information came from, does it matter? > P.S ch341 is a serial of chips including ch341a, ch341t, ch341h, > ch341a is full funtions but t and h aren't. So you are saying the existing ch341 driver doesn't support all of the chips you need it to? Feel free to send patches that add support for the other chips. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
