Re: [PATCH] media: Add BCM2048 radio driver

From: Pali RohÃr
Date: Thu Oct 17 2013 - 15:31:16 EST


Hello,

so what do you suggest? Add it to staging for now (or not)?

On Tuesday 15 October 2013 17:08:39 Hans Verkuil wrote:
> Hi Pali,
>
> Thanks for the patch, but I am afraid it will need some work
> to make this acceptable for inclusion into the kernel.
>
> The main thing you need to do is to implement all the controls
> using the control framework (see
> Documentation/video4linux/v4l2-controls.txt). Most drivers
> are by now converted to the control framework, so you will
> find many examples of how to do this in drivers/media/radio.
>
> The sysfs stuff should be replaced by controls as well. A lot
> of the RDS support is now available as controls (although
> there may well be some missing features, but that is easy
> enough to add). Since the RDS data is actually read() from
> the device I am not sure whether the RDS properties/controls
> should be there at all.
>
> Finally this driver should probably be split up into two
> parts: one v4l2_subdev-based core driver and one platform
> driver. See e.g. radio-si4713/si4713-i2c.c as a good example.
> But I would wait with that until the rest of the driver is
> cleaned up. Then I have a better idea of whether this is
> necessary or not.
>
> It's also very useful to run v4l2-compliance (available in the
> v4l-utils.git repo on git.linuxtv.org). That does lots of
> sanity checks.
>
> Another option is to add the driver as-is to
> drivers/staging/media, and clean it up bit by bit.
>
> Regards,
>
> Hans
>
> On 10/15/2013 04:26 PM, Pali RohÃr wrote:
> > This adds support for the BCM2048 radio module found in
> > Nokia N900
> >
> > Signed-off-by: Eero Nurkkala <ext-eero.nurkkala@xxxxxxxxx>
> > Signed-off-by: Nils Faerber <nils.faerber@xxxxxxxxxxxxxxxxx>
> > Signed-off-by: Joni Lapilainen <joni.lapilainen@xxxxxxxxx>
> > Signed-off-by: Pali RohÃr <pali.rohar@xxxxxxxxx>
> > ---
> >
> > drivers/media/radio/Kconfig | 10 +
> > drivers/media/radio/Makefile | 1 +
> > drivers/media/radio/radio-bcm2048.c | 2744
> > +++++++++++++++++++++++++++++++++++
> > include/media/radio-bcm2048.h | 30 +
> > 4 files changed, 2785 insertions(+)
> > create mode 100644 drivers/media/radio/radio-bcm2048.c
> > create mode 100644 include/media/radio-bcm2048.h
> >

--
Pali RohÃr
pali.rohar@xxxxxxxxx

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