linux-input.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Maxim Levitsky <maximlevitsky@gmail.com>
To: Christoph Bartelmus <lirc@bartelmus.de>
Cc: linux-input@vger.kernel.org, linux-media@vger.kernel.org,
	lirc-list@lists.sourceforge.net, mchehab@redhat.com
Subject: Re: [PATCH 10/13] IR: extend interfaces to support more device settings LIRC: add new IOCTL that enables learning mode (wide band receiver)
Date: Sat, 31 Jul 2010 12:35:12 +0300	[thread overview]
Message-ID: <1280568912.2733.1.camel@maxim-laptop> (raw)
In-Reply-To: <BTtO1S1ZjFB@christoph>

On Sat, 2010-07-31 at 10:10 +0200, Christoph Bartelmus wrote: 
> Hi Maxim,
> 
> on 31 Jul 10 at 01:01, Maxim Levitsky wrote:
> > On Fri, 2010-07-30 at 23:22 +0200, Christoph Bartelmus wrote:
> [...]
> >>> +#define LIRC_SET_WIDEBAND_RECEIVER     _IOW('i', 0x00000023, __u32)
> >>
> >> If you really want this new ioctl, then it should be clarified how it
> >> behaves in relation to LIRC_SET_MEASURE_CARRIER_MODE.
> 
> > In my opinion, I won't need the LIRC_SET_MEASURE_CARRIER_MODE,
> > I would just optionally turn that on in learning mode.
> > You disagree, and since that is not important (besides TX and learning
> > features are present only at fraction of ENE devices. The only user I
> > did the debugging with, doesn't seem to want to help debug that code
> > anymore...)
> >
> > But anyway, in current state I want these features to be independent.
> > Driver will enable learning mode if it have to.
> 
> Please avoid the term "learning mode" as to you it probably means  
> something different than to me.
> 
> >
> > I'll add the documentation.
> 
> >>
> >> Do you have to enable the wide-band receiver explicitly before you can
> >> enable carrier reports or does enabling carrier reports implicitly switch
> >> to the wide-band receiver?
> > I would implicitly switch the learning mode on, untill user turns off
> > the carrier reports.
> 
> You mean that you'll implicitly switch on the wide-band receiver. Ok.
> 
> >>
> >> What happens if carrier mode is enabled and you explicitly turn off the
> >> wide-band receiver?
> > Wouldn't it be better to have one ioctl for both after all?
> 
> There may be hardware that allows carrier measurement but does not have a  
> wide-band receiver. And there may be hardware that does have a wide-band  
> receiver but does not allow carrier measurement. irrecord needs to be able  
> to distinguish these cases, so we need separate ioctls.
> 
> I'd say: carrier reports may switch on the wide-band reciever implicitly.  
> In that case the wide-band receiver cannot be switched off explicitly  
> until carrier reports are disabled again. It just needs to be documented.

No problem.

Best regards,
Maxim Levitsky


  reply	other threads:[~2010-07-31  9:35 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-30 11:38 [PATCH 0/9 v3] IR: few fixes, additions and ENE driver Maxim Levitsky
2010-07-30 11:38 ` [PATCH 01/13] IR: Kconfig fixes Maxim Levitsky
2010-07-30 11:38 ` [PATCH 02/13] IR: minor fixes: Maxim Levitsky
2010-07-30 11:38 ` [PATCH 03/13] IR: replace spinlock with mutex Maxim Levitsky
2010-07-30 11:38 ` [PATCH 04/13] IR: fix locking in ir_raw_event_work Maxim Levitsky
2010-07-30 11:38 ` [PATCH 05/13] IR: JVC: make repeat work Maxim Levitsky
2010-07-30 11:38 ` [PATCH 06/13] IR: nec decoder: fix repeat Maxim Levitsky
2010-07-30 19:36   ` Mauro Carvalho Chehab
2010-07-30 19:54     ` Maxim Levitsky
2010-07-30 11:38 ` [PATCH 07/13] IR: NECX: support repeat Maxim Levitsky
2010-07-30 11:38 ` [PATCH 08/13] IR: Allow not to compile keymaps in Maxim Levitsky
2010-07-30 11:38 ` [PATCH 09/13] IR: add helper function for hardware with small o/b buffer Maxim Levitsky
2010-07-30 11:38 ` [PATCH 10/13] IR: extend interfaces to support more device settings LIRC: add new IOCTL that enables learning mode (wide band receiver) Maxim Levitsky
2010-07-30 21:22   ` Christoph Bartelmus
2010-07-30 22:01     ` Maxim Levitsky
2010-07-31  8:10       ` Christoph Bartelmus
2010-07-31  9:35         ` Maxim Levitsky [this message]
2010-07-30 11:38 ` [PATCH 11/13] IR: report unknown scancodes the in-kernel decoders found Maxim Levitsky
2010-07-30 11:38 ` [PATCH 12/13] STAGING: remove lirc_ene0100 driver Maxim Levitsky
2010-07-30 11:38 ` [PATCH 13/13] IR: Port ene driver to new IR subsystem and enable it Maxim Levitsky
2010-07-30 19:33 ` [PATCH 0/9 v3] IR: few fixes, additions and ENE driver Mauro Carvalho Chehab
2010-07-30 19:52   ` Maxim Levitsky
  -- strict thread matches above, loose matches on Subject: below --
2010-07-30  2:17 [PATCH 0/9 v2] " Maxim Levitsky
2010-07-30  2:17 ` [PATCH 10/13] IR: extend interfaces to support more device settings LIRC: add new IOCTL that enables learning mode (wide band receiver) Maxim Levitsky

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=1280568912.2733.1.camel@maxim-laptop \
    --to=maximlevitsky@gmail.com \
    --cc=linux-input@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=lirc-list@lists.sourceforge.net \
    --cc=lirc@bartelmus.de \
    --cc=mchehab@redhat.com \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).