patch for bktr(4): don't reset tuner on open/close
julian at elischer.org
Sat Apr 23 21:42:35 PDT 2005
Jacob Meuser wrote:
> the following is a patch that is in OpenBSD's bktr.
> the idea is to not reset the tuner device on open(2) and close(2).
> - don't need to hold /dev/tuner open to get audio.
> - selected channelset won't get clobbered on open/close. IMO, the
> current behaviour here is idiotic. the channelset has nothing to
> do with the hardware. it is internally used by the driver. also,
> this is IMO a much cleaner fix to the problems with V4L programs
> not tuning properly because they never set the channelset. now
> the correct channelset can be set at bootup with something like
> bsdbktrtvtune or whatever, instead of rebuilding the kernel with
> the default channelset hardcoded into the driver.
> BTW, I haven't tested this on FreeBSD at all. it might need some
> tweaking. the diff is also set up so that BKTR_NO_OPEN_RESET must
> be defined to enable it. ultimately, I think this should be the
> default behaviour.
can you comment on what you mean by "V4L programs"?
(since we don't have V4L on freeBSD (as such))
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