Messages in this thread Patch in this message | | | From | Andy Shevchenko <> | Subject | [PATCH v1 1/1] iio: adc: sc27xx_adc: Re-use generic struct u32_fract | Date | Mon, 30 May 2022 21:09:10 +0300 |
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Instead of custom data type re-use generic struct u32_fract. No changes intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/iio/adc/sc27xx_adc.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/iio/adc/sc27xx_adc.c b/drivers/iio/adc/sc27xx_adc.c index e9ff2d6a8a57..f8421cbba8fa 100644 --- a/drivers/iio/adc/sc27xx_adc.c +++ b/drivers/iio/adc/sc27xx_adc.c @@ -579,15 +579,14 @@ static int sc27xx_adc_read(struct sc27xx_adc_data *data, int channel, 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, @@ -615,7 +614,7 @@ static int sc27xx_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; /* @@ -637,9 +636,9 @@ static int sc27xx_adc_convert_volt(struct sc27xx_adc_data *data, int channel, 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, -- 2.35.1
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