On Tue, Dec 15, 2015 at 4:56 AM, Peter Hung <hpeter@xxxxxxxxx> wrote:
> Andy Shevchenko 於 2015/12/13 上午 09:08 寫道:
>>
>> On Tue, Dec 1, 2015 at 8:54 AM, Peter Hung <hpeter@xxxxxxxxx> wrote:
>>> +/* The device is multi-function with UART & GPIO */
>>> +static u8 fintek_gpio_mapping[] = {2, 3, 8, 9, 10, 11};
>>
>>
>> Clearly you have bit combination here
>> Bit 1: 1
>> Bit 3: 1
>>
>> So, mask as 0x0a shall cover this IIAC.
>
>
> IMO, It maybe wrong. If we checked only with 0x0a mask,
> the 0x06 & 0x07 will be passed.
Ah, yes, it will be a bit more than just one check, something like:
(x & 0x0a) && (x & 0x0e != 6)
--
With Best Regards,
Andy Shevchenko
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