> Just some random though. Instead of introducing extra level of indentation you > can simply check whether is_ad778x is asserted and simply return. I agree that the patch would be smaller if I do that, but is it really an issue? If yes, then I will update the patch with this change > Any reason for setting this explicitly? That's going to be false anyway It seems clearer to me :-) On Thu, Nov 8, 2018 at 4:26 PM Tomasz Duszynski <tduszyns@xxxxxxxxx> wrote: > > Hi Giuliano, > > Comment inline. > > On 11/8/18 2:03 PM, Giuliano Belinassi wrote: > > Only the ad778x have the 'gain' status bit. Check it before updating > > through a new variable is_ad778x in chip_info. > > > > Signed-off-by: Giuliano Belinassi <giuliano.belinassi@xxxxxx> > > --- > > Changes in v2: > > - Squashed is_ad778x declaration commit with the ad778x checkage > > - Changed is_ad778x type to bool > > > > drivers/staging/iio/adc/ad7780.c | 15 +++++++++++---- > > 1 file changed, 11 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c > > index 91e016d534ed..9ec2b002539e 100644 > > --- a/drivers/staging/iio/adc/ad7780.c > > +++ b/drivers/staging/iio/adc/ad7780.c > > @@ -35,6 +35,7 @@ struct ad7780_chip_info { > > struct iio_chan_spec channel; > > unsigned int pattern_mask; > > unsigned int pattern; > > + bool is_ad778x; > > }; > > > > struct ad7780_state { > > @@ -113,10 +114,12 @@ static int ad7780_postprocess_sample(struct ad_sigma_delta *sigma_delta, > > ((raw_sample & chip_info->pattern_mask) != chip_info->pattern)) > > return -EIO; > > > > - if (raw_sample & AD7780_GAIN) > > - st->gain = 1; > > - else > > - st->gain = 128; > > + if (chip_info->is_ad778x) { > > + if (raw_sample & AD7780_GAIN) > > + st->gain = 1; > > + else > > + st->gain = 128; > > + } > > Just some random though. Instead of introducing extra level of indentation you > can simply check whether is_ad778x is asserted and simply return. > > > > > return 0; > > } > > @@ -135,21 +138,25 @@ static const struct ad7780_chip_info ad7780_chip_info_tbl[] = { > > .channel = AD7780_CHANNEL(12, 24), > > .pattern = 0x5, > > .pattern_mask = 0x7, > > + .is_ad778x = false, > > Any reason for setting this explicitly? That's going to be false anyway. > > > }, > > [ID_AD7171] = { > > .channel = AD7780_CHANNEL(16, 24), > > .pattern = 0x5, > > .pattern_mask = 0x7, > > + .is_ad778x = false, > > }, > > [ID_AD7780] = { > > .channel = AD7780_CHANNEL(24, 32), > > .pattern = 0x1, > > .pattern_mask = 0x3, > > + .is_ad778x = true, > > }, > > [ID_AD7781] = { > > .channel = AD7780_CHANNEL(20, 32), > > .pattern = 0x1, > > .pattern_mask = 0x3, > > + .is_ad778x = true, > > }, > > }; > > > > -- > You received this message because you are subscribed to the Google Groups "Kernel USP" group. > To unsubscribe from this group and stop receiving emails from it, send an email to kernel-usp+unsubscribe@xxxxxxxxxxxxxxxx. > To post to this group, send email to kernel-usp@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/kernel-usp/55b5de74-a607-94b9-8c85-40658e38fbb5%40gmail.com. > For more options, visit https://groups.google.com/d/optout.