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From: Eric Nelson <eric-SeqgQ6RdavfQT0dZR+AlfA@public.gmane.org>
To: Mauro Carvalho Chehab <mchehab-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>
Cc: linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	pawel.moll-5wv7dgnIgG8@public.gmane.org,
	mark.rutland-5wv7dgnIgG8@public.gmane.org,
	ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org,
	galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
	patrice.chotard-qxv4g6HH51o@public.gmane.org,
	fabf-AgBVmzD5pcezQB+pC5nmwQ@public.gmane.org,
	wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org,
	heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	otavio-fKevB0iiKLMBZ+LybsDmbA@public.gmane.org
Subject: Re: [PATCH V2 1/2] rc-core: define a default timeout for drivers
Date: Sat, 3 Oct 2015 07:52:18 -0700	[thread overview]
Message-ID: <560FEBA2.6040504@nelint.com> (raw)
In-Reply-To: <20151003112510.54fe2a25-+RedX5hVuTR+urZeOPWqwQ@public.gmane.org>

Thanks Mauro,

On 10/03/2015 07:25 AM, Mauro Carvalho Chehab wrote:
> Em Mon, 21 Sep 2015 12:08:43 -0700
> Eric Nelson <eric-SeqgQ6RdavfQT0dZR+AlfA@public.gmane.org> escreveu:
> 
>> A default timeout value of 100ms is workable for most decoders.
>> Declare a constant to help standardize its' use.
> 
> I guess the worse case scenario is the NEC protocol:
> 	http://www.sbprojects.com/knowledge/ir/nec.php
> 
> with allows a repeat message to be sent on every 110ms. As the
> repeat message is 11.25 ms, that would mean a maximum time without
> data for 98.75 ms. So, in thesis, 100 ms would be ok. However, IR
> timings are not always precise and may affected by the battery charge.
> 
> So, I think that a timeout of 100ms is too close to 98.75 and may
> cause troubles.
> 
> S, IMHO, it is safer to define the default timeout as 125ms.
> 

Sounds good. I'll submit V3 shortly.

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  parent reply	other threads:[~2015-10-03 14:52 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-11 14:00 [PATCH][resend] rc: gpio-ir-recv: allow flush space on idle Eric Nelson
     [not found] ` <1441980024-1944-1-git-send-email-eric-SeqgQ6RdavfQT0dZR+AlfA@public.gmane.org>
2015-09-14 10:00   ` Sean Young
2015-09-14 14:34     ` Eric Nelson
2015-09-14 14:54       ` Sean Young
2015-09-14 15:05         ` Eric Nelson
2015-09-14 15:35           ` Sean Young
2015-09-21 19:08 ` [PATCH V2 0/2] rc: Add timeout support to gpio-ir-recv Eric Nelson
2015-09-21 19:08 ` Eric Nelson
2015-09-21 19:08   ` [PATCH V2 1/2] rc-core: define a default timeout for drivers Eric Nelson
     [not found]     ` <1442862524-3694-2-git-send-email-eric-SeqgQ6RdavfQT0dZR+AlfA@public.gmane.org>
2015-10-03 14:25       ` Mauro Carvalho Chehab
     [not found]         ` <20151003112510.54fe2a25-+RedX5hVuTR+urZeOPWqwQ@public.gmane.org>
2015-10-03 14:52           ` Eric Nelson [this message]
2015-10-03 15:18         ` Eric Nelson
2015-09-21 19:08   ` [PATCH V2 2/2] rc: gpio-ir-recv: add timeout on idle Eric Nelson
2015-09-23 13:26     ` Sean Young
2015-09-23 13:52       ` Eric Nelson
     [not found]         ` <5602AE95.9000505-SeqgQ6RdavfQT0dZR+AlfA@public.gmane.org>
2015-09-23 14:07           ` [PATCH V3 " Eric Nelson
     [not found]             ` <1443017228-16499-1-git-send-email-eric-SeqgQ6RdavfQT0dZR+AlfA@public.gmane.org>
2015-09-23 14:26               ` Sean Young
2015-10-03 14:27   ` [PATCH V2 0/2] rc: Add timeout support to gpio-ir-recv Mauro Carvalho Chehab
2015-10-03 15:10     ` Eric Nelson

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