diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-05-30 21:09:10 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-06-15 22:07:10 +0100 |
| commit | 5a3ec28adafd2d1055162e52d2cb4d37a8391615 (patch) | |
| tree | 30211a1482f6726d710b978308c427ac00eb43e0 /drivers/iio/adc | |
| parent | 754d013433bc7cf4677223ccd8dcbeb2a09c9982 (diff) | |
iio: adc: sc27xx_adc: Re-use generic struct u32_fract
Instead of a pair of u32 re-use generic struct u32_fract.
No functional changes intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Cixi Geng <cixi.geng1@unisoc.com>
Link: https://lore.kernel.org/r/20220530180910.2533-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/adc')
| -rw-r--r-- | drivers/iio/adc/sc27xx_adc.c | 15 |
1 files 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 @@ unlock_adc: 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, |