On Sun, Nov 15, 2009 at 8:12 AM, Andrea.Amorosi76@xxxxxxxxx <Andrea.Amorosi76@xxxxxxxxx> wrote: > I would like to solve this analog audio issue (this device would be useful > in the future thanks to the 9 pin s-video input which, I think can take the > output of an external dvb-t decoder so that to be able to see cripted > digital tv or from consoles to play and use notebook display as a tv). > Following the (little) expertise gained with the Dikom DK300, I think that > the default_analog gpio is not correct for the device. > Can I try with others gpio or a wrong gpio can phisically break the device? > Otherwise how can I create a correct gpio for this device? > Thank you, > Andrea (Xwang was my nickname) Hello Andrea, To determine the correct analog_gpio, I typically do an analog capture under Windows, and use sniffusb to determine how the GPIO register is set at the time the analog video is being streamed. http://www.pcausa.com/Utilities/UsbSnoop/ Generally speaking, you probably do not want to experiment toggling the GPIOs individually, since you can have conditions such as the digital demod running at the same time as the analog subsystem (which would draw too much power). It's worth noting also that it is entirely possible that a LEDs are attached to GPIO pins as well (in regards to your other question about the LED behavior). Devin -- Devin J. Heitmueller - Kernel Labs http://www.kernellabs.com -- 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
