Re: SAA7134: can't open /dev/video0: Device or resource busy

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Alle 01:44, domenica 7 settembre 2003, Fu Jacky ha scritto:
> HI,
>
> Can you like to tell us the detail steps which you have done, maybe we can
> help you?


Well, I simply compiled and installed the v4l2 snapshot from 
http://bytesex.org/v4l/build.html, compiled and installed the saa7134 driver,
loaded the module with modprobe saa7134, the card is being detected correctly 
as dmesg:

- copy & paste -
Linux video capture interface: v1.00
i2c-core.o: i2c core module
saa7130/34: v4l2 driver version 0.2.8 loaded
saa7134[0]: found at 01:08.0, rev: 1, irq: 5, latency: 32, mmio: 0xe6010000
saa7134[0]: subsystem: 1043:4842, board: ASUS TV-FM 7134 
[card=16,autodetected]
i2c-core.o: adapter saa7134[0] registered as adapter 0.
saa7134[0]: i2c eeprom 00: 43 10 42 48 ff ff ff ff ff ff ff ff ff ff ff ff
saa7134[0]: i2c eeprom 10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7134[0]: i2c eeprom 20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7134[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7134[0]: board init: gpio is 0
i2c-core.o: driver i2c TV tuner driver registered.
tuner: chip found @ 0xc0
tuner: type set to 38 (Philips PAL/SECAM multi (FM1216ME MK3))
i2c-core.o: client [Philips PAL/SECAM multi (FM1216] registered to adapter 
[saa7134[0]](pos. 0).
i2c-core.o: driver i2c tda9887 driver registered.
tda9887: chip found @ 0x86
tuner: type already set (38)
i2c-core.o: client [tda9887] registered to adapter [saa7134[0]](pos. 1).
saa7134[0]: registered device video31 [v4l2]
saa7134[0]: registered device vbi31
saa7134[0]: registered device radio31
saa7134[0]/audio: audio carrier scan failed, using 5.500 MHz [default]
-

but when i try to run xawtv or gradio I get:

-copy & paste -
root@knoppix:/home/franky# xawtv
This is xawtv-3.88, running on Linux/i686 (2.4.22)
can't open /dev/video0: Device or resource busy
v4l-conf had some trouble, trying to continue anyway
v4l2: open /dev/video0: Dispositivo o risorsa occupata
v4l2: open /dev/video0: Dispositivo o risorsa occupata
v4l: open /dev/video0: Dispositivo o risorsa occupata
no video grabber device available
root@knoppix:/home/franky# gradio
/dev/radio0: Device or resource busy
-

I noted from the file saa7134-cards.c that some config info for the ASUS TV FM 
are commented out and I really don't know how to compile those field. If can 
be for some help, my card have TV and Radio capability, 2 composite input  (1  
with an RCA jack and 1 with a mini jack) and 1 S-Video input, inputs are 
connected to a front panel box.

Ciao!
Gianfranco




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