From: John J Lee <jjl@pobox.com>
To: linux-media@vger.kernel.org
Subject: Re: saa7146 firmware upload time?
Date: Sun, 2 May 2010 22:24:44 +0100 (BST) [thread overview]
Message-ID: <alpine.DEB.2.00.1005022222540.4041@alice> (raw)
In-Reply-To: <alpine.DEB.2.00.1005022118000.4041@alice>
On Sun, 2 May 2010, John J Lee wrote:
> On Sun, 2 May 2010, Oliver Endriss wrote:
> [...]
>> Obviously, the firmware is not loaded at modprobe time. It is loaded
>> when an application opens the frontend for the first time.
> [...]
>
> Thanks.
>
> Before the frontend can be opened, open(2) must be called on a v4l device
> file, right? I don't appear to have such a device file (no /dev/video*, no
> /dev/dvb/adaptor*/video*). I had assumed the missing device file was caused
> by the failure to load the firmware. So it's still not clear to me how to
> trigger the firmware loading process again (though clearly something I did
> today triggered it once), or indeed whether that is the problem I should be
> trying to solve.
>
> Clues welcome
OK, I still don't understand how it works, but I successfully triggered
the firmware loading process by running kaffeine. Thanks for your help.
John
prev parent reply other threads:[~2010-05-02 21:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-02 18:13 saa7146 firmware upload time? John J Lee
2010-05-02 19:54 ` Oliver Endriss
2010-05-02 21:07 ` John J Lee
2010-05-02 21:24 ` John J Lee [this message]
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