Re: [PATCH] media: Add BCM2048 radio driver

From: Hans Verkuil
Date: Sat Oct 26 2013 - 16:22:35 EST


> Hans, so can it be added to drivers/staging/media tree?

Yes, that is an option. It's up to you to decide what you want. Note that
if no cleanup work is done on the staging driver for a long time, then it
can be removed again.

Regards,

Hans

>
> On Thursday 17 October 2013 21:31:04 Pali Rohár wrote:
>> 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 Rohár 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 Rohár <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 Rohár
> pali.rohar@xxxxxxxxx
>


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