[mythtv-users] Tale of two Tuners Hauppauge HVR-1250, Kworld ATSC 115

[Mir Islam]

On 6/25/11 5:00 AM, mythtv-users-request at mythtv.org wrote:
> Date: Sat, 25 Jun 2011 07:09:41 -0400
> From: Patrick Oglesby <octoberblu3 at gmail.com>
> Subject: Re: [mythtv-users] Tale of two Tuners Hauppauge HVR-1250
> 	Kworld	ATSC 115
> To: Discussion about MythTV <mythtv-users at mythtv.org>
> Message-ID: <BANLkTinmrvZ2GH2t-k0eyVu=ud=Fx7GueA at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On Sat, Jun 25, 2011 at 3:07 AM, Mir Islam <mislam at mirislam.com> wrote:
>> > Hi, I recently added a Hauppauge WintV-HVR-1250 tuner to my MythBuntu
>> > box. I already had Kworld ATSC 115 tuner which has been working fine.
>> > However I can't get the new tuner to work. The tuner is getting
>> > recognized during boot time. But giving an error in initializing
>> > frontend. As per some suggestions on ubuntuforum I added hvr1250.conf
>> > with the content: options cx23885 card=20
>> >
>> >
>> > Any idea on howto get it to work? Myth backend setup finds Kworld card
>> > only and for mpeg-2 encoder it shows "Failed to Probe" error message.
>> >
>> > Thanks
>> > Mir
>> >
>> >
>> > Output of dmesg
>> >
>> > [ 2325.960940] cx23885 driver version 0.0.2 loaded
>> > [ 2325.960980] cx23885 0000:03:00.0: PCI INT A -> GSI 19 (level, low) ->
>> > IRQ 19
>> > [ 2325.961239] CORE cx23885[0]: subsystem: 0070:7911, board: Hauppauge
>> > WinTV-HVR1255 [card=20,insmod option]
>> > [ 2326.107586] cx23885[0]: hauppauge eeprom: model=79571
>> > [ 2326.107589] cx23885_dvb_register() allocating 1 frontend(s)
>> > [ 2326.107592] cx23885[0]: cx23885 based dvb card
>> > [ 2326.108197] cx23885[0]: frontend initialization failed
>> > [ 2326.108199] cx23885_dvb_register() dvb_register failed err = -1
>> > [ 2326.108202] cx23885_dev_setup() Failed to register dvb on VID_C
>> > [ 2326.108205] cx23885_dev_checkrevision() Hardware revision = 0xa5
>> > [ 2326.108213] cx23885[0]/0: found at 0000:03:00.0, rev: 4, irq: 19,
>> > latency: 0, mmio: 0xfd600000
>> > [ 2326.108222] cx23885 0000:03:00.0: setting latency timer to 64
>> > [ 2326.108303] cx23885 0000:03:00.0: irq 45 for MSI/MSI-X
>> >
>> >
>> > Output of lspci -v for both tuners
>> >
>> > 03:00.0 Multimedia video controller: Conexant Systems, Inc. CX23885 PCI
>> > Video and Audio Decoder (rev 04)
>> > ? ?Subsystem: Hauppauge computer works Inc. Device 7911
>> > ? ?Flags: bus master, fast devsel, latency 0, IRQ 45
>> > ? ?Memory at fd600000 (64-bit, non-prefetchable) [size=2M]
>> > ? ?Capabilities: <access denied>
>> > ? ?Kernel driver in use: cx23885
>> > ? ?Kernel modules: cx23885
>> >
>> >
>> > 04:01.0 Multimedia controller: Philips Semiconductors
>> > SAA7131/SAA7133/SAA7135 Video Broadcast Decoder (rev d1)
>> > ? ?Subsystem: KWorld Computer Co. Ltd. ATSC 115 Digital / Analog HDTV Tuner
>> > ? ?Flags: bus master, medium devsel, latency 255, IRQ 16
>> > ? ?Memory at fddfe000 (32-bit, non-prefetchable) [size=2K]
>> > ? ?Capabilities: <access denied>
>> > ? ?Kernel driver in use: saa7134
>> > ? ?Kernel modules: saa7134
>> >
>> > _______________________________________________
>> > mythtv-users mailing list
>> > mythtv-users at mythtv.org
>> > http://www.mythtv.org/mailman/listinfo/mythtv-users
>> >
> Analog for this card is not supported and probably will never be,
> given that it is just a frame grabber.
> http://linuxtv.org/wiki/index.php/Hauppauge_WinTV-HVR-1250
>
> For the digital tuner, you should be adding it as a DVB device, not
> MPEG.  You should have another /dev/dvb/adapterX to use for this card.
>
> - Patrick

The problem is there is no second adapter listed in /dev/dvb. Shouldn't
there be another adapter listed there? Or is the Kworld card and
Hauppauge card trampling each other? I can try to pull out the Kworld
card and see if HVR-1250 works or not, but that is last resort. Thanks.


mislam at aurora:~$ find /dev/dvb
/dev/dvb
/dev/dvb/adapter0
/dev/dvb/adapter0/net0
/dev/dvb/adapter0/dvr0
/dev/dvb/adapter0/demux0
/dev/dvb/adapter0/frontend0