All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Frank Schäfer" <fschaefer.oss@googlemail.com>
To: Hans Verkuil <hverkuil@xs4all.nl>
Cc: linux-media@vger.kernel.org
Subject: Re: How to add new chip ids to v4l2-chip-ident.h ?
Date: Mon, 20 Aug 2012 12:39:52 +0200	[thread overview]
Message-ID: <503213F8.6060101@googlemail.com> (raw)
In-Reply-To: <201208181706.03257.hverkuil@xs4all.nl>

Am 18.08.2012 17:06, schrieb Hans Verkuil:
> On Sat August 18 2012 16:19:26 Frank Schäfer wrote:
>> Hi,
>>
>> I would like to know how to add new chip ids to v4l2-chip-ident.h. Ist
>> there a kind of policy for choosing numbers ?
> Using numbers that match the chip number is recommended, but if that can't
> be done due to clashes, then pick some other, related, number (e.g. 12700
> instead of 2700) or create a range of number for all possible models of that
> chip series.

Ok. And I guess a comment should be added that reserves a certain range
of values, if similar chips exist.

>
>> Which numbers would be approriate for the em25xx/em26xx/em27xx/em28xx
>> chips ?
>> Unfortunately 2700 is already used by V4L2_IDENT_VP27SMPX...
> Please note that adding an identifier to v4l2-chip-ident.h is only needed
> if the VIDIOC_DBG_* ioctls are implemented. If those are not implemented,
> then there is no need for an ID either.

Sure ;-) Thanks !

Regards,
Frank Schäfer

>
> Regards,
>
> 	Hans


      reply	other threads:[~2012-08-20 10:39 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-18 14:19 How to add new chip ids to v4l2-chip-ident.h ? Frank Schäfer
2012-08-18 15:06 ` Hans Verkuil
2012-08-20 10:39   ` Frank Schäfer [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=503213F8.6060101@googlemail.com \
    --to=fschaefer.oss@googlemail.com \
    --cc=hverkuil@xs4all.nl \
    --cc=linux-media@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.