Re: [PATCH] regulator: max8997/8966: fix charger cv voltage set bug

[Chanwoo Choi]

Hi,

On 2017ë 05ì 08ì 14:45, MyungJoo Ham wrote:
> 
> When min charger-CV is <= 4.0V and max charger-CV is >= 4.0V,
> we can use 4.00V as CV (register value = 0x1).`
> 
> The original code had a typo that wrote ">=" (max_uV >= 4000000),
> which should've been "<", which is not necessary anyway
> as mentioned by Dan Carpenter.
> 
> Reported-By: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>
> ---
>  drivers/regulator/max8997-regulator.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/regulator/max8997-regulator.c b/drivers/regulator/max8997-regulator.c
> index efabc0e..559b9ac 100644
> --- a/drivers/regulator/max8997-regulator.c
> +++ b/drivers/regulator/max8997-regulator.c
> @@ -428,12 +428,9 @@ static int max8997_set_voltage_charger_cv(struct regulator_dev *rdev,
>  	if (max_uV < 4000000 || min_uV > 4350000)
>  		return -EINVAL;
>  
> -	if (min_uV <= 4000000) {
> -		if (max_uV >= 4000000)
> -			return -EINVAL;
> -		else
> -			val = 0x1;
> -	} else if (min_uV <= 4200000 && max_uV >= 4200000)
> +	if (min_uV <= 4000000)
> +		val = 0x1;
> +	else if (min_uV <= 4200000 && max_uV >= 4200000)
>  		val = 0x0;
>  	else {
>  		lb = (min_uV - 4000001) / 20000 + 2;
> 

Reviewed-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics