linux-kernel - Re: [PATCH] radio-bcm2048: Enable access to automute and ctrl registers

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Date:	Sat, 6 Jun 2015 15:10:18 +0200
From:	Pavel Machek <pavel@....cz>
To:	Hans Verkuil <hverkuil@...all.nl>
Cc:	Pali Roh?r <pali.rohar@...il.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Hans Verkuil <hans.verkuil@...co.com>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
	maxx <maxx@...ceboyz.net>
Subject: Re: [PATCH] radio-bcm2048: Enable access to automute and ctrl
 registers

On Fri 2015-06-05 13:34:01, Hans Verkuil wrote:
> On 05/15/2015 11:31 PM, Pali Rohár wrote:
> > From: maxx <maxx@...ceboyz.net>
> > 
> > This enables access to automute function of the chip via sysfs and
> > gives direct access to FM_AUDIO_CTRL0/1 registers, also via sysfs. I
> > don't think this is so important but helps in developing radio scanner
> > apps.
> > 
> > Patch writen by maxx@...ceboyz.net
> > 
> > Signed-off-by: Pali Rohár <pali.rohar@...il.com>
> > Cc: maxx@...ceboyz.net
> 
> As Pavel mentioned, these patches need to be resend with correct Signed-off-by
> lines.
> 
> Regarding this patch: I don't want to apply this since this really should be a
> control. Or just enable it always. If someone wants to make this a control, then
> let me know: there are two other drivers with an AUTOMUTE control: bttv and saa7134.
> 
> In both cases it is implemented as a private control, but it makes sense to
> promote this to a standard user control. I can make a patch for that.
> 
> And for CTRL0/1: if you want direct register access, then implement
> VIDIOC_DBG_G/S_REGISTER. This makes sure you have the right permissions etc.
> 
> More importantly: is anyone working on getting this driver out of staging? It's
> been here for about a year and a half and I haven't seen any efforts to clean it up.

Yes, there are. Unfortunately, this one depends on bluetooth driver, and we have some
fun with that one. So please be patient...

										Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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