Re: [PATCH v2 5/6] max17042: Fix value scaling for VCELL and avgVCELL

[MyungJoo Ham]

> From: Bruce Robertson <bruce.e.robertson@xxxxxxxxx>
> 
> The bottom three bits of the register are don't care bits.  The LSB
> value is 625 uV.  Adjust the returned values appropriately
> 
> Signed-off-by: Bruce Robertson <bruce.e.robertson@xxxxxxxxx>
> Signed-off-by: Dirk Brandewie <dirk.brandewie@xxxxxxxxx>

Acked-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>

> ---
>  drivers/power/max17042_battery.c |    8 ++++++--
>  1 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/power/max17042_battery.c b/drivers/power/max17042_battery.c
> index 001eca1..80a6ee7 100644
> --- a/drivers/power/max17042_battery.c
> +++ b/drivers/power/max17042_battery.c
> @@ -148,11 +148,15 @@ static int max17042_get_property(struct power_supply *psy,
>  		break;
>  	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
>  		val->intval = max17042_read_reg(chip->client,
> -				MAX17042_VCELL) * 83; /* 1000 / 12 = 83 */
> +				MAX17042_VCELL);
> +		val->intval >>= 3;
> +		val->intval *= 625; /* Units of LSB = 625 uV */
>  		break;
>  	case POWER_SUPPLY_PROP_VOLTAGE_AVG:
>  		val->intval = max17042_read_reg(chip->client,
> -				MAX17042_AvgVCELL) * 83;
> +				MAX17042_AvgVCELL);
> +		val->intval >>= 3;
> +		val->intval *= 625; /* Units of LSB = 625 uV */
>  		break;
>  	case POWER_SUPPLY_PROP_CAPACITY:
>  		val->intval = max17042_read_reg(chip->client,
> -- 
> 1.7.7.3
> 
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