On Tue, Aug 07, 2012 at 08:35:58AM +0200, Sascha Hauer wrote: > Nowadays the FIQ support is necessary only for AC97. The AC97 support in > the SSI unit is buggy: It does not allow you to select the slots you > want to receive. At least the wm9712 codec always sends (apart from the > stereo data) data in slot (I think it is) 12. You find this data mixed > in your audio stream. The FIQ driver skips this data to get a valid > audio stream.
Right, any device with GPIO support will do this - it's how GPIO works in AC'97. > One other way to solve this would be to use dma here and to filter out > the data afterwards. Yup. That's probably more sane but also more work to implement. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/