On Mon, Feb 8, 2016 at 11:14 AM, Lars-Peter Clausen <lars@xxxxxxxxxx> wrote: > On 02/08/2016 07:48 AM, Bhumika Goyal wrote: >> value = (s8)((data >> AD7816_TEMP_FLOAT_OFFSET) - 103); >> data &= AD7816_TEMP_FLOAT_MASK; >> if (value < 0) >> - data = (1 << AD7816_TEMP_FLOAT_OFFSET) - data; >> + data = BIT(AD7816_TEMP_FLOAT_OFFSET) - data; > > > But in this case this is a false positive. The intended semantic meaning > here is 2**... not BIT(...). Using BIT() here in my opinion only causes > confusion. +1. Here clearly the intention is to change sign of the value which fits less than 32/16/8 bits. 1 << OFFSET represents '-0'. -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
