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
>
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