linux-kernel - Re: N900 modem support in 3.18-rc1

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Message-ID: <20141114172008.GB12250@earth.universe>
Date:	Fri, 14 Nov 2014 18:20:09 +0100
From:	Sebastian Reichel <sre@...nel.org>
To:	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
Cc:	Pavel Machek <pavel@....cz>, Pali Roh?r <pali.rohar@...il.com>,
	kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-omap@...r.kernel.org, tony@...mide.com, khilman@...nel.org,
	aaro.koskinen@....fi, freemangordon@....bg,
	Sakari Ailus <sakari.ailus@....fi>
Subject: Re: N900 modem support in 3.18-rc1

Hi,

On Fri, Nov 14, 2014 at 09:04:23AM +0200, Ivaylo Dimitrov wrote:
> [...]
> https://gitorious.org/linux-n900/freemangordons-linux-n900/commits/30e9a5c498a89cea4c29523f69e436bf0af3c631
> 
> commits 89ce13b, b81d80d, ec4d0dc, 91256e2 and 8022a6d - e29f558 (no idea
> why gitorious shows those mixed with SGX stuff, on my local tree it is
> contiguous patch series)
> 
> didn't test against the current upstream, but I see no reason why those
> should not apply, build and run.

The patch looks ok. It does not cleanup the cmt-speech driver for
mainline usage, but it should work. Before adding this driver to the
mainline kernel there should be open source userspace support anyway.

Btw. I am aware that this would break existing pulse audio stuff,
but wouldn't it make sense to export a V4L2 device instead of the
custom /dev/cmt_speech ABI?

> > >About the pulseaudio stuff - we're still in process of REing it, so
> > >far there are 2 out of 3 closed Nokia modules ready
> > >(https://gitorious.org/pulseaudio-nokia), but the last one, which is
> > >the one used for voice calls is still not ready and will take it a
> > >while :).
> >
> > Ok, is there a way I could help? Pretty much everything else works with
> > opensource drivers...
> >
> 
> There is, though I am not sure you'll like it much - fire up IDA and join
> the party :P. Ping me on IRC for more details in case you're interested.
> 
> Regards,
> Ivo

-- Sebastian

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