Hi, Francesco Francesco schrieb: >> Looks like there currently are many people having problems. >> Allow me to give some background info: >> >> Something that is not in the datasheet: >> The tda10046 automatically tries to load the firmware from an eeprom at the >> second I2C port. This does *not* need to be triggered by the driver. The timeout >> seems to be very long. In the past, this happened: >> If the driver tries to access the tuner while the download is not finished, there >> is a collision on the I2C bus. This can corrupt both, the firmware and the tuner >> initialization. In the case of the tda8275a, the result can be that it turns off >> its 16MHz reference output which is used for the tda10046 as well. This blocks the >> i2c bus and the only way to recover is a complete power cycle. >> This is why i made the driver try to get the firmware as soon as possible. >> Otherwise it is not possible to access the tuner - at least on some boards. >> >> Few days ago, a user reported that the firmware download seems to be retriggered >> in some cases. This might occur if something opens the dvb device while the download >> is not finished. If it is the case, we need to lock the download. >> Another dangerous thing is the address mapping of the firmware eeprom: it is >> controlled by a GPIO pin. If this pin changes while the download is running, we are >> lost. >> >> Best regards >> Hartmut > > I've found a little workaround (not a solution, but...) for this problem > for my Asus7131H... > > Simply adding "saa7134-dvb" to /etc/modules, make a successful firmware > loading on boot. > (My system is an Ubuntu 7.10) > > Could you post the relevant sections of the kernel log for both cases, successful and unsuccessful firmware load? Please extract the entire board initialization. Also: do you run a client / server based application (with early start of the server)? Hartmut _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
