[PATCH v2 1/2] i2c: add PEC error event

[Wolfram Sang]

On Fri, Jul 17, 2020 at 02:31:54PM +0530, Rayagonda Kokatanur wrote:
> Add new event I2C_SLAVE_PEC_ERR to list of slave events.
> This event will be used by slave bus driver to indicate
> PEC error to slave client or backend driver.
> 
> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur at broadcom.com>

Definately needs documentation in Documentation/i2c/slave-interface.rst.

What is a backend supposed to do? Does 'value' have a meaning?

> ---
>  include/linux/i2c.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/i2c.h b/include/linux/i2c.h
> index b8b8963f8bb9..e04acd04eb48 100644
> --- a/include/linux/i2c.h
> +++ b/include/linux/i2c.h
> @@ -370,6 +370,7 @@ enum i2c_slave_event {
>  	I2C_SLAVE_READ_PROCESSED,
>  	I2C_SLAVE_WRITE_RECEIVED,
>  	I2C_SLAVE_STOP,
> +	I2C_SLAVE_PEC_ERR,
>  };
>  
>  int i2c_slave_register(struct i2c_client *client, i2c_slave_cb_t slave_cb);
> -- 
> 2.17.1
> 
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