Re: [PATCH] i2c: core: helper function to detect slave mode

From: Andy Shevchenko
Date: Fri Jan 06 2017 - 16:32:25 EST


On Fri, Jan 6, 2017 at 7:46 PM, Luis Oliveira
<Luis.Oliveira@xxxxxxxxxxxx> wrote:
> On 06-Jan-17 17:17, Andy Shevchenko wrote:
>> On Fri, Jan 6, 2017 at 7:15 PM, Luis Oliveira
>> <Luis.Oliveira@xxxxxxxxxxxx> wrote:
>>> On 06-Jan-17 16:29, Andy Shevchenko wrote:
>>>> On Thu, Jan 5, 2017 at 7:24 PM, Luis Oliveira
>>
>>>> Please, add kernel doc description here, important thing is to explain
>>>> return codes in Return: section of it.
>>>>
>>>>> +int i2c_slave_mode_detect(struct device *dev)
>>
>> Just to make sure you didn't miss this one.
>>
>>
> Yes, I saw it. You were talking of something like this, right?
>
> /**
> * i2c_slave_mode_detect - detect operation mode
> * @dev: The device owning the bus
> *
> * This checks the device nodes for a I2C slave by checking the address

a -> an

> * used.
> *

> * Returns true if a I2C slave is detected, otherwise returns false.

It has int type and I would reword this accordingly.

Something like

* Return:
* 1 when an I2C slave is detected, 0 for I2C master mode,
* and negative error otherwise.


> */



--
With Best Regards,
Andy Shevchenko