Re: [linux-dvb] Hauppauge WinTV-NOVA-T-500 New Firmware (dvb-usb-dib0700-1.20.fw) causes problems

["Thomas Goerke" <tom@goeng.com.au>]

> Let's try this to rule out whether it's the new i2c interface or some
> other aspect of the 1.20 firmware:
> 
> Add the following line to the dib0700_devices.c at line 78:
> 
> st->fw_use_legacy_i2c_api = 1;
> 
> It should end up looking like:
> 
> =======
> static int bristol_frontend_attach(struct dvb_usb_adapter *adap)
> {
>         struct dib0700_state *st = adap->dev->priv;
> 
> 	st->fw_use_legacy_i2c_api = 1;
> 
>         if (adap->id == 0) {
> ....
> =======
> 
> That will tell it to fall back to the legacy i2c interface (which was
> working fine for you in the 1.10 firmware).
> 
> Make that change, reboot your system, and send me the dmesg output so
> we can see if you still get i2c errors.
> 
> Thanks,
> 
> Devin
> --
> Devin J. Heitmueller
> http://www.devinheitmueller.com
> AIM: devinheitmueller
Devin,

See output below.  Tuners are now working correctly with MythTV.

[   32.498881] dib0700: loaded with support for 7 different device-types
[   32.498961] dvb-usb: found a 'Hauppauge Nova-T 500 Dual DVB-T' in cold
state, will try to load a firmware
--
[   32.537956] dvb-usb: downloading firmware from file
'dvb-usb-dib0700-1.20.fw'
--
[   32.778909] dib0700: firmware started successfully.
[   33.281095] dvb-usb: found a 'Hauppauge Nova-T 500 Dual DVB-T' in warm
state.
[   33.281127] dvb-usb: will pass the complete MPEG2 transport stream to the
software demuxer.
[   33.281295] DVB: registering new adapter (Hauppauge Nova-T 500 Dual
DVB-T)
[   33.390157] DVB: registering frontend 0 (DiBcom 3000MC/P)...
[   33.448122] MT2060: successfully identified (IF1 = 1258)
[   33.923079] dvb-usb: will pass the complete MPEG2 transport stream to the
software demuxer.
[   33.923271] DVB: registering new adapter (Hauppauge Nova-T 500 Dual
DVB-T)
[   33.928451] DVB: registering frontend 1 (DiBcom 3000MC/P)...
[   33.932949] MT2060: successfully identified (IF1 = 1255)
[   34.416827] input: IR-receiver inside an USB DVB receiver as
/devices/pci0000:00/0000:00:1e.0/0000:05:00.2/usb11/11-1/input/input6
[   34.444154] dvb-usb: schedule remote query interval to 150 msecs.
[   34.444157] dvb-usb: Hauppauge Nova-T 500 Dual DVB-T successfully
initialized and connected.
[   34.444269] usbcore: registered new interface driver dvb_usb_dib0700
--
FYI copy of code that I edited (dib0700_devices.c)

static int bristol_frontend_attach(struct dvb_usb_adapter *adap)
{
        struct dib0700_state *st = adap->dev->priv;
        st->fw_use_legacy_i2c_api = 1;
        if (adap->id == 0) {
                dib0700_set_gpio(adap->dev, GPIO6,  GPIO_OUT, 0);
msleep(10);
                dib0700_set_gpio(adap->dev, GPIO6,  GPIO_OUT, 1);
msleep(10);
                dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0);
msleep(10);
                dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1);
msleep(10);

                if (force_lna_activation)
                        dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 1);
                else
                        dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 0);

                if (dib3000mc_i2c_enumeration(&adap->dev->i2c_adap, 2,
DEFAULT_DIB3000P_I2C_ADDRESS, bristol_dib3000mc_config) != 0) {
                        dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 0);
msleep(10);
                        return -ENODEV;
                }
        }
        st->mt2060_if1[adap->id] = 1220;
        return (adap->fe = dvb_attach(dib3000mc_attach,
&adap->dev->i2c_adap,
                (10 + adap->id) << 1, &bristol_dib3000mc_config[adap->id]))
== NULL ? -ENODEV : 0;
}



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