At Tue, 12 May 2009 09:41:36 +0200, Raphaël Doursenaud wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Takashi Iwai a écrit : > > At Tue, 12 May 2009 09:25:27 +0200, > > Raphaël Doursenaud wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- > >> Hash: SHA1 > >> > >> Takashi Iwai a écrit : > >>> At Tue, 12 May 2009 09:05:19 +0200, > >>> Raphaël Doursenaud wrote: > >>>> -----BEGIN PGP SIGNED MESSAGE----- > >>>> Hash: SHA1 > >>>> > >>>> Takashi Iwai a écrit : > >>>>> At Tue, 12 May 2009 08:47:29 +0200, > >>>>> Raphaël Doursenaud wrote: > >>>>>> -----BEGIN PGP SIGNED MESSAGE----- > >>>>>> Hash: SHA1 > >>>>>> > >>>>>> Takashi Iwai a écrit : > >>>>>>> At Tue, 12 May 2009 08:16:08 +0200, > >>>>>>> Raphaël Doursenaud wrote: > >>>>>>>> From: Raphaël Doursenaud <rdoursenaud@xxxxxxx> > >>>>>>>> > >>>>>>>> Allow the use of the FIRMWARE_IN_KERNEL option with hdsp cards and > >>>>>>>> in-kernel driver. > >>>>>>> Did it really work without problems? > >>>>>>> > >>>>>>> > >>>>>>> Takashi > >>>>>> Tested over the weekend with two multifaces in my DAW. > >>>>>> Got no problem. > >>>>> Interesting. > >>>>> Did you build the firmware file into the kernel, or not? > >>>>> > >>>>> > >>>>> Takashi > >>>> Yes I built all hdsp fimware files (multiface_firmware.bin > >>>> multiface_firmware_rev11.bin digiface_firmware.bin > >>>> digiface_firmware_rev11.bin) into the kernel. > >>>> It's the aim of this patch. > >>> Well, the problem I'm concerned is that the driver can be compiled > >>> in even if you have no built-in firmware. And there is no restriction > >>> or dependency check in Kconfig, so far. > >>> > >>> Could you test how the kernel behaves without the built-in firmware? > >>> Does it hang or give any critical error? > >>> > >>> > >>> thanks, > >>> > >>> Takashi > >> Could you be more specific? > >> I'm not sure to understand why it could be a problem. > >> Do you think that if I set FIRMWARE_IN_KERNEL without compiling the > >> firmware(s) in-kernel the request_firmware() will not resolve and cause > >> an error? > > > > Yes, exactly. > > request_firmware() shall fail in that case likely after a long > > time-out (unless you have the firmware files in initrd) because there > > is really no file / data available at the time it's called. > > And I'm not sure whether this could lead to a fatal operation error. > > > > > > Takashi > AFAIK this is handled in the code (from line 5080) and should lead to > "Hammerfall-DSP: couldn't get firmware from userspace. try using hdsploader" Yep, a fallback mechanism is found in hdsp driver itself. But the driver probe hangs for too long time, and I'm just worried about its influence on the whole kernel boot-up. > I'm building a kernel to test that case. Thanks. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
