Hello Gordon, Am Dienstag, den 19.01.2010, 10:24 -0700 schrieb Gordon Smith: > On Mon, Jan 18, 2010 at 5:01 PM, hermann pitton <hermann-pitton@xxxxxxxx> wrote: > > Hello, > > > > Am Montag, den 18.01.2010, 18:11 -0500 schrieb Will Tate: > >> I'm not sure why access in userspace would be required. I checked the > >> schematic today and all the GPIO pins are used to communicate with the > >> SAA6752HS on board for compression. We do not bring the GPIO off the > >> board anywhere. > > > > thank you very much. I was still expecting that and did not get Gordon's > > point, but must admit to have been totally unaware about the DI/O > > features. RTD did all the hardware implementations themselves. > > > > Very nice job that time. > > > >> Gordon and I have spoken previously about the RTD software for digital > >> I/O breaking with the migration of pcf8574 driver to the pcf857x. So, > >> perhaps he intended to use GPIO until I can fix the digital I/O > >> software. > > > > Ah, good to know. BTW, we had the mpeg encoder broken unnoticed for some > > kernels, but due to fixes by Dmitri Belimov and extensions by Hans > > Verkuil, we are much better on it these days. Enjoy. > > > > Always let us know, if we can do anything or at least make it public for > > those interested to work on it. > > > > Thanks, > > Hermann > > > > Hello Hermann, good to hear from you again. > > It looks like I was off track regarding GPIO. In 2.6.30 the pcf8574 > module that was used for digital I/O earlier was no longer available > and something I read lead me to believe I should use gpio-sysfs > instead. I'm sorry for the noise. > > - Gordon no problem at all. It was quite interesting to think about such gpio use. If such a card appears in the future, we can point to the thread you started here and have already, thanks to Trent, a collection of good ideas and comments. Cheers, Hermann -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
