Tomislav Bodor wrote: > Oops. I sent an empty message by mistake. Here's the real thing (at the > bottom). > > > Hartmut Hackmann wrote: > >> Hi, >> >> Tomislav Bodor wrote: >> >>> Hartmut Hackmann wrote: >>> >>> >>>> Hi, >>>> >>>> Tomislav Bodor wrote: >>>> >>>> >>>>> Hi, >>>>> >>>>> I am having problems getting the DVB-T300 to switch to analogue mode >>>>> once the digital part of the tuner has been accessed. The only way I >>>>> found seems to be to unload the saa7134-dvb module and reload saa7134. >>>>> I'm using the drivers from vanilla 2.6.18 kernel, but I checked the >>>>> relevant sections (see below) against mercurial and they seem to be >>>>> the >>>>> same. >>>>> >>>>> Now, I have had a look at how this is supposed to be switched back to >>>>> analogue and have found the sleep function (the one used for >>>>> DVB-T300 is >>>>> philips_europa_tuner_sleep) and the way it's called from >>>>> dvb_frontent.c >>>>> after dvb_shutdown_timeout expires. This all seems to work (and the >>>>> sleep function is called correctly), but the tuner stays in digital >>>>> mode. >>>>> >>>>> Does anyone have an idea why this might not work? Maybe the i2c >>>>> messages >>>>> are wrong for this card? Unfortunately this is all completely new >>>>> to me, >>>>> but I'm happy to test any patches :) >>>>> >>>>> >>>>> >>>> There have been 2 big changes since i added support for this card. >>>> I worried about the tda9887 merge in the tuner module, but the >>>> effect i worried about is a bit different from what you describe. >>>> - are there any error messages in the kernel log? >>>> - does analog tv work immedeately after module load? >>>> Any additional information will help. >>>> >>> Sure. Unfortunately, I don't know what's useful information and what's >>> not, so I may overload you :) >>> >>> I'll tackle the latter first: analog works just fine after saa7134 >>> module is loaded (this for me happens automatically during boot). It >>> continues working even after saa7134-dvb is loaded, all the way until I >>> run any dvb application (e.g. scan or mythbackend with a DVB card >>> configured). Once a dvb device is accessed the card is switched to >>> digital mode (and I can watch digital TV just fine). >>> >>> Now for the first question: from that point onwards digital works fine, >>> but accessing the card in analogue mode (say using tvtime or mythtv via >>> the analogue tuner) produces the following errors in the kernel log: >>> >>> Oct 2 16:04:38 localhost kernel: [ 540.007478] tuner 1-0061: i2c i/o >>> error: rc == -5 (should be 4) >>> Oct 2 16:04:38 localhost kernel: [ 540.015462] tuner 1-0061: i2c i/o >>> error: rc == -5 (should be 4) >>> Oct 2 16:04:38 localhost kernel: [ 540.023452] tuner 1-0061: i2c i/o >>> error: rc == -5 (should be 4) >>> Oct 2 16:04:38 localhost kernel: [ 540.131306] tuner 1-0061: i2c i/o >>> error: rc == -5 (should be 4) >>> Oct 2 16:04:38 localhost kernel: [ 540.139289] tuner 1-0061: i2c i/o >>> error: rc == -5 (should be 4) >>> Oct 2 16:04:38 localhost kernel: [ 540.215214] tuner 1-0061: i2c i/o >>> error: rc == -5 (should be 4) >>> >>> >> This is the information i was looking for. There is something going wrong >> with the I2c bridge. >> >> >>> They come in batches of six at a time every time I start tvtime and then >>> one at a time every time I change channels. >>> >>> >> <snip> >> >>> And this reminds me: I never downloaded any firmware for tda10046 - it >>> just worked this way, though various documentation says that I should >>> use the get_dvb_firmware script from linux/Documentation/dvb. Why is it >>> working without firmware (out of curiosity)? >>> >>> >> Some cards have an eeprom with the Firmware. Yours too. In this case, >> the channel decoder boots from this. >> >> This is a quick shot: can you please try to force the card type to69? >> So: >> modprobe saa7134 card=69 >> modprobe saa7134-dvb >> (after you unloaded these modules) >> >> Hartmut >> >> >> > > That did it - it now works as expected: after a delay of about 5 > seconds, the tuner switches back to analogue mode. I have had a look at > the way the reference Philips Europa card is set up in saa7134-dvb.c and > I see that DVB-T300 is missing one of the sleep functions - tuner has > one, but the front end doesn't. Maybe there's more, but I don't know. > Not sure what went wrong and when. I presume you know what needs to be > done from this point onwards? > > Anyway, this workaround seems perfectly fine for now. Do you think there > is any functionality I will be missing compared to using card=70? > Ah. I see something missing: the remote input device is not initialised when I use card=69. With card=70 it's initialised correctly. This is a problem - I need the remote. If I try tweaking the code for DVB-T300 in saa7134-dvb to make it more similar to what's going on for Philips Europa reference, will that take me anywhere? Or is it more complicated than that? 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