[alsa-devel] customized IOCTL in pcm platform driver.
tiwai at suse.de
Tue Oct 9 08:52:58 CEST 2012
At Mon, 8 Oct 2012 23:44:40 -0700 (PDT),
gsantosh at codeaurora.org wrote:
> > At Mon, 8 Oct 2012 23:30:09 -0700 (PDT),
> > gsantosh at codeaurora.org wrote:
> >> Hi All,
> >> will ALSA framework provide any customized IOCTL functionality in PCM
> >> platform driver.
> > No.
> >> in my system there is a requirement to get some information from DSP to
> >> user space and I am thinking to add IOCTL's, is there any method to
> >> accommodate or how we can address this issue?
> > You can use hwdep device for any extra methods.
> We need to tie this ioctl with the on going DSP session which will be
> difficult When used with hwdep interface.
Hm, how can it be difficult? More specific description is needed to
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