Re: [PATCH v3 2/3] iio: proximity: add driver for Sharp GP2AP070S proximity sensor

[David Lechner <dlechner@baylibre.com>]

On 8/3/26 12:28 PM, Kaustabh Chakraborty wrote:
> On 2026-08-01 11:41 -05:00, David Lechner wrote:
>> On 7/30/26 3:07 PM, Kaustabh Chakraborty wrote:
>>> The GP2AP070S is a proximity sensor designed and manufactured by Sharp
>>> Corporation. This sensor is used in mobile devices, including, but not
>>> limited to - the Samsung Galaxy J6.
>>>
>>> The driver has been adopted from Samsung's downstream kernel
>>> implementation [1]. Due to the lack of public documentation about the
>>> schematics of this device. The downstream driver acts as the secondary
>>> source of information. Driver clarity has also been improved with the
>>> help of the GP2AP* drivers in iio/light.
>>>
>>> Link: https://github.com/Exynos7870/android_kernel_samsung_universal7870/blob/lineage-16.0/drivers/sensors/gp2ap070s.c [1]
>>> Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
>>> ---
> 
> [...]
> 
>>> +static void gp2ap070s_reset_action(void *private)
>>> +{
>>> +	struct gp2ap070s_drvdata *drvdata = private;
>>
>> Usually, we don't bother with a cast/local variable in these.
>> The void* can be passed directly as an arg.
> 
> Yeah, but CFI will not be happy about that.

How so? We do this all the time and no one has reported any
issues with it.