On Sat, Oct 31, 2009 at 6:43 PM, Michael Krufky <mkrufky@xxxxxxxxxxxxxx> wrote: > On Sat, Oct 31, 2009 at 6:08 PM, Michael Obst > <m.obst@xxxxxxxxxxxxxxxxxxxx> wrote: >> Hi, >> Thanks for fixing this, I can confirm that it now compiles and >> inserts and the remote works, so does the av input to the tvcard >> however the card does not seem to be able to tune any channels, I have >> checked the old driver and that is still able to tune in channels. The >> output from my dmesg is below. >> >> Thanks >> Michael Obst > > Michael, > > This is an interesting problem -- the part of your dmesg that stands > out to me is this: > >> [ 502.928544] tuner 0-0060: chip found @ 0xc0 (saa7130[0]) >> [ 502.960501] tda8290: no gate control were provided! > > That error message was added as a safety measure -- it shouldn't be > possible to ever hit that code path. Are you running any non-GPL > binary drivers on your system, such as NVIDIA or anything else? > > Let me explain: > > The "no gate control were provided!" message was added by Mauro to the > tda8290 driver, mainly as a check to ensure that we don't call a null > function pointer. The gate control is actually provided by the > tda8290 driver itself, by either tda8290_i2c_bridge or > tda8295_i2c_bridge, depending on which hardware is present. In your > case, it's a tda8290. > > The function pointer is filled during the tda829x_attach() function, > before we call the tda829x_find_tuner function, where this error > message is displayed. The only way for this to have occurred, as far > as I can tell, is if the probe to detect the tda8290 itself had > failed. > > Have you repeated your test with the same problem each time, or did > this only happen once? > > Can you try again, from a cold reboot? > > Also, I'm just assuming that this failure occurred during a digital > tune -- is that correct? Does analog television work? > > If the problem is reproducible, can you also show us dmesg during a failed tune? > > I'm very interested in hearing more about this -- please let me know. Oops, on second look, seems that the error occurred during analog bring-up ... does digital tv work? -Mike -- 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
