[linux-dvb] How to compile the firmware into the driver?

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Klaus Schmidinger wrote:
> Johannes Stezenbach wrote:
> > On Sun, Dec 04, 2005, Klaus Schmidinger wrote:
> > 
> >>I have downloaded the latest driver snapshot from
> >>
> >>  http://linuxtv.org/downloads/snapshots/v4l-dvb-20051202.tar.gz
> >>
> >>and the latest firmware from
> >>
> >>  http://linuxtv.org/downloads/firmware/dvb-ttpci-01.fw-2622
> >>
> >>and expanded the driver source into
> >>
> >>  /home/kls/vdr/DVB-v4l-dvb.2005-12-02
> >>
> >>
> >>What is the simplest method to build this driver and have
> >>it compile the firmware into it?
> >>
> >>I tried writing
> >>
> >>CONFIG_DVB_AV7110_FIRMWARE=y
> >>CONFIG_DVB_AV7110_FIRMWARE_FILE=./dvb-ttpci-01.fw
> > 
> > 
> > We agreed to drop support for this during the merge of the trees
> > (there was some build problem, can't remember what it was,
> > but I thought no one uses this anyway so let's drop it).
> 
> Does this mean that it should no longer be possible to compile
> the firmware into the driver? Well, apparently it _is_ possible,
> so please don't drop this - it's the way I want to do this, because
> this hotplug stuff may be good for a user system, but on my system
> I want to be able to easily switch driver versions by simply
> setting a symlink.
> 
> I've decided to give the dvb-kernel driver another chance today,
> so please don't scare me away from it again ;-)

Please be patient. I will look into this.

Imho there is a better way if you want to avoid hotplug.
I'm using this insmod.sh fragment to load the firmware:

| ...
| # note: dvb-ttpci must be loaded in the background!
| insmod ./dvb-ttpci.ko &
|
| # note: DEVDIR must be adjusted for the pci address of the FF card
| DEVDIR=/sys/class/firmware/0000\:00\:0c.0
|
| echo 1 > $DEVDIR/loading
| cat /home/endriss/firmware/dvb-ttpci-test.fw-2622 > $DEVDIR/data
| echo 0 > $DEVDIR/loading
| ...

Very convenient if you want to test several firmware versions.

Oliver

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