From: Mauro Carvalho Chehab <mchehab@redhat.com>
To: "Alfredo Jesús Delaiti" <alfredodelaiti@netscape.net>
Cc: linux-media@vger.kernel.org
Subject: Re: Help to make a driver. ISDB-Tb
Date: Mon, 02 May 2011 10:06:05 -0300 [thread overview]
Message-ID: <4DBEAC3D.7040608@redhat.com> (raw)
In-Reply-To: <4DBE0F74.80602@netscape.net>
Em 01-05-2011 22:57, Alfredo Jesús Delaiti escreveu:
> Hi Mauro
>
> I guess the error is in this part of the module mb86a20s.c
>
> /* Check if it is a mb86a20s frontend */
> rev = mb86a20s_readreg(state, 0);
> if (rev == 0x13) {
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> printk(KERN_INFO "Detected a Fujitsu mb86a20s frontend\n");
> } else {
> printk(KERN_ERR "Frontend revision %d is unknown - aborting.\n",
> rev);
> goto error;
> }
>From this message:
[ 14.288626] Frontend revision 255 is unknown - aborting.
I suspect that the I2C gate needed to access the frontend is at the wrong state. That's why you're
getting 0xff (255) value there.
>
> I reiterate my gratitude,
>
> Alfredo
>
next prev parent reply other threads:[~2011-05-02 13:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-30 17:09 Help to make a driver. ISDB-Tb Alfredo Jesús Delaiti
2011-05-01 1:18 ` Mauro Carvalho Chehab
2011-05-02 1:57 ` Alfredo Jesús Delaiti
2011-05-02 13:06 ` Mauro Carvalho Chehab [this message]
2011-05-04 16:08 ` Alfredo Jesús Delaiti
2011-05-16 23:42 ` Alfredo Jesús Delaiti
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