Re: [PATCH] iio: dac: mcp4725: Remove unneeded conversions to bool
From: Andrew F. Davis
Date: Fri Jul 01 2016 - 11:18:43 EST
On 07/01/2016 10:03 AM, Peter Meerwald-Stadler wrote:
>
>> Found with scripts/coccinelle/misc/boolconv.cocci.
>
> I'd argue that
>
> pd = (inbuf[0] >> 1) & 0x3;
> if (pd) {
> data->powerdown = true;
> data->powerdown_mode = pd - 1;
> } else {
> data->powerdown = false;
> data->powerdown_mode = 2; /* largest register to gnd */
> }
>
> is less compact but probably easier to read/understand;
>
I agree, this is a much better fix. Would you like to submit this
version as a patch?
Andrew
>> Signed-off-by: Andrew F. Davis <afd@xxxxxx>
>
> but I'm fine with the proposed patch as well to make cocci happy
>
> regards, p.
>
>> ---
>> drivers/iio/dac/mcp4725.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c
>> index cca935c..c3bb3fd 100644
>> --- a/drivers/iio/dac/mcp4725.c
>> +++ b/drivers/iio/dac/mcp4725.c
>> @@ -361,7 +361,7 @@ static int mcp4725_probe(struct i2c_client *client,
>> return err;
>> }
>> pd = (inbuf[0] >> 1) & 0x3;
>> - data->powerdown = pd > 0 ? true : false;
>> + data->powerdown = pd > 0;
>> data->powerdown_mode = pd ? pd - 1 : 2; /* largest register to gnd */
>> data->dac_value = (inbuf[1] << 4) | (inbuf[2] >> 4);
>>
>>
>