Re: [PATCH 08/10] i2c: support 10 bit and slave addresses in sysfs 'new_device'

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Wolfram,

On Sat, Aug 8, 2015 at 10:33 PM, Wolfram Sang <wsa@xxxxxxxxxxxxx> wrote:
> diff --git a/Documentation/i2c/slave-interface b/Documentation/i2c/slave-interface
> index 2dee4e2d62df19..61ed05cd95317f 100644
> --- a/Documentation/i2c/slave-interface
> +++ b/Documentation/i2c/slave-interface
> @@ -31,10 +31,13 @@ User manual
>  ===========
>
>  I2C slave backends behave like standard I2C clients. So, you can instantiate
> -them as described in the document 'instantiating-devices'. A quick example for
> -instantiating the slave-eeprom driver from userspace at address 0x64 on bus 1:
> +them as described in the document 'instantiating-devices'. The only difference
> +is that i2c slave backends have their own address space. So, you have to add
> +0x1000 to the address you would originally request. An example for
> +instantiating the slave-eeprom driver from userspace at the 7 bit address 0x64
> +on bus 1:
>
> -  # echo slave-24c02 0x64 > /sys/bus/i2c/devices/i2c-1/new_device
> +  # echo slave-24c02 0x1064 > /sys/bus/i2c/devices/i2c-1/new_device

Does 0x64 still work? It's an ABI since v4.1.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
--
To unsubscribe from this list: send the line "unsubscribe linux-i2c" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux GPIO]     [Linux SPI]     [Linux Hardward Monitoring]     [LM Sensors]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux