At Mon, 7 Jun 2004 14:51:13 +0100, Russell King wrote: > > On Mon, Jun 07, 2004 at 03:40:23PM +0200, Takashi Iwai wrote: > > At Mon, 7 Jun 2004 14:08:17 +0100, > > Russell King wrote: > > > > > > On Mon, Jun 07, 2004 at 02:45:20PM +0200, Takashi Iwai wrote: > > > > i guess so, too. as you can see in the original post, the error > > > > returned from hw_params callback (sample not available), thus it > > > > doesn't call trigger(START) callback yet at all. > > > > > > If we never got past hw_params() then we didn't enable the IO, > > > and it must be that something else in the system fiddled with > > > the chip and set it incorrectly. > > > > > > > unfurtunately i can't tell any more unless i read the driver code. > > > > where can i find the code? > > > > > > I never officially released the driver, though it was part of the > > > old -rmk patches back in the 2.6.0-test era. Where Roc has got > > > the source from, and what modifications have been made is anyones > > > guess. > > > > Roc sent me the code now :) > > > > after a quick look, it seems that txcr isn't initialized in the open > > callback but only in hw_params callback (which was never called in > > this case). > > Why should it be explicitly initialised? Take a moment to consider > what guarantees snd_card_new() gives for the allocated memory. Yep, > that's right - it's initialised to zero. So, chan->txcr is already > initialised to zero.
You're right. The error was not txcr, but in another WARN_ON() for checking chan->tx_substream (line 404)! (Russell, you mislead this, too ;) The reason is same -- since hw_params is not called, chan->tx_substream is not set, too. Takashi ------------------------------------------------------- This SF.Net email is sponsored by the new InstallShield X. >From Windows to Linux, servers to mobile, InstallShield X is the one installation-authoring solution that does it all. Learn more and evaluate today! http://www.installshield.com/Dev2Dev/0504 _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
