Hi Greg, On Tue, Jan 29, 2013 at 7:03 PM, Greg KH <[email protected]> wrote: > On Mon, Jan 28, 2013 at 03:25:08PM +0530, Priyaranjan Das wrote: >> Hi Greg, >> >> On Tue, Jan 22, 2013 at 10:06 PM, Greg KH <[email protected]> wrote: >> > On Tue, Jan 22, 2013 at 03:02:32PM +0530, Priyaranjan Das wrote: >> >> Hi All, >> >> >> >> I am working on MSR(Magnetic Stripe Reader) for a product . I wish to >> >> know whether any MSR( Magnetic Stripe/card Reader) driver is available >> >> in the current source or not. I need this for reference. Could anyone >> >> please help me? >> > >> > Most of these types of devices that I have worked with always show up as >> > a keyboard device (ps/2 pass-through or a USB hid device.) What type of >> > interface does your device present to the operating system? >> > >> >> The MSR will be a part of a SoC. It is a memory mapped device hence >> there is no interface like USB. > > Ok, that's different. But how will your driver want to communicate the > reader data to userspace? That will probably determine where you want > to put it. > > I would recommend making it an input device and sending keystrokes that > you read from the card, so you can properly integrate into userspace > applications that are used to using a card reader. > >> MSR IP contains an ADC which the driver will read and interpret the >> data. I am planning to write a Driver for the same. Will this driver >> fall under drivers/mfd/* ? > > As per the above, I would think drivers/input/ wouldn't you? > > Hope this helps, >
Thanks for your help!. Yes, you are right, it should be under drivers/input. I am trying to prepare the design right now. Regards, Priyaranjan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
