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From: Manu Abraham <abraham.manu@gmail.com>
To: Florian Lohoff <flo@rfc822.org>
Cc: linux-dvb@linuxtv.org
Subject: Re: [linux-dvb] DVBFE_SET_PARAMS / delsys from fe_info ioctl ?
Date: Mon, 03 Mar 2008 04:22:00 +0400	[thread overview]
Message-ID: <47CB44A8.5060103@gmail.com> (raw)
In-Reply-To: <20080302233653.GA3067@paradigm.rfc822.org>

Florian Lohoff wrote:
> Hi,
> 
> This is 
> why my application, which did not issue a GET_INFO but rather set the
> delivery system in the dvbfeparam, failed. The delivery in the

..

> 
> - A GET or READ call should never ever alter state - otherwise it should be named
>   different. Its the same with read/write, peek/poke, load/store set/get.
>   Just because i ask about informations concerning the DVB-S frontend does
>   not mean that i will not start DVB-S2 or DSS.

This won't work. params will contain data only after you have 
successfully issued
SET_PARAMS not before. For SET_PARAMS to work, you need the delivery system
cached for the operation.

Do you see the same bug with szap too ? 
(http://abraham.manu.googlepages.com/szap.c)


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  reply	other threads:[~2008-03-03  0:22 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-01 16:14 [linux-dvb] DVBFE_SET_PARAMS / delsys from fe_info ioctl ? Florian Lohoff
2008-03-02 22:43 ` Manu Abraham
2008-03-02 23:36   ` Florian Lohoff
2008-03-03  0:22     ` Manu Abraham [this message]
2008-03-03  8:52       ` Florian Lohoff
2008-03-03 11:09         ` Manu Abraham
2008-03-03 11:26           ` Florian Lohoff
2008-03-03 12:03             ` Manu Abraham
2008-03-03 13:21               ` Florian Lohoff
2008-03-03 13:41                 ` Manu Abraham
2008-03-03 13:44                   ` Florian Lohoff
2008-03-03 13:55                     ` Manu Abraham
2008-03-03 14:00                       ` Florian Lohoff
2008-03-03 13:49                   ` Manu Abraham
2008-03-03 13:48                     ` Florian Lohoff
2008-03-03 14:04                       ` Manu Abraham
2008-03-03 14:03                         ` Florian Lohoff
2008-03-03 14:17                           ` Manu Abraham
2008-03-03 14:13                             ` Florian Lohoff
2008-03-03 14:24                               ` Manu Abraham
2008-03-03 14:23                                 ` Florian Lohoff
2008-03-03 21:13                 ` Christoph Pfister
2008-03-04  0:52                   ` hermann pitton

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