return ret;
}
-static void sc27xx_adc_volt_ratio(struct sc27xx_adc_data *data,
- int channel, int scale,
- u32 *div_numerator, u32 *div_denominator)
+static void sc27xx_adc_volt_ratio(struct sc27xx_adc_data *data, int channel, int scale,
+ struct u32_fract *fract)
{
u32 ratio;
ratio = data->var_data->get_ratio(channel, scale);
- *div_numerator = ratio >> SC27XX_RATIO_NUMERATOR_OFFSET;
- *div_denominator = ratio & SC27XX_RATIO_DENOMINATOR_MASK;
+ fract->numerator = ratio >> SC27XX_RATIO_NUMERATOR_OFFSET;
+ fract->denominator = ratio & SC27XX_RATIO_DENOMINATOR_MASK;
}
static int adc_to_volt(struct sc27xx_adc_linear_graph *graph,
static int sc27xx_adc_convert_volt(struct sc27xx_adc_data *data, int channel,
int scale, int raw_adc)
{
- u32 numerator, denominator;
+ struct u32_fract fract;
u32 volt;
/*
break;
}
- sc27xx_adc_volt_ratio(data, channel, scale, &numerator, &denominator);
+ sc27xx_adc_volt_ratio(data, channel, scale, &fract);
- return DIV_ROUND_CLOSEST(volt * denominator, numerator);
+ return DIV_ROUND_CLOSEST(volt * fract.denominator, fract.numerator);
}
static int sc27xx_adc_read_processed(struct sc27xx_adc_data *data,