On 6/16/07, Pharaoh . <pharaoh137@xxxxxxxxx> wrote: > Hi > I am writing an alsa driver for my omap based board. I am testing it using > cat /dev/audio currently, i.e. I have OSS emulation turned on. This is > an initial round of testing and I will use alsa-libs and utils later. > > My problem is: > > I have set the pcm->private_data = my_chip after registering the pcm ops, > after referring various standard drivers in alsa tree. My module is > insmoded properly but after I do snd_card_register(card) the > pcm->private_data is corrupted !! Before this step, the > pcm->private_data is intact. But after looking at the > snd_card_register(), I realized that it doesn't even touch the pcm > pointer. > > So, when I cat the device I get huge segfault in > snd_pcm_attach_substream(), since pcm->private_data is NULL but > surprisingly all the other fields are intact in pcm pointer. > > Even the OSS code doesn't touch the pcm pointer, what must be wrong? > I have checked my source atleast 5 times and couldn't find anything in it. > > -pharaoh. > Is the above post visible? I didn't receive it like all the other mails sent to this list. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
