diff options
Diffstat (limited to 'drivers/hwmon/ina2xx.c')
| -rw-r--r-- | drivers/hwmon/ina2xx.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c index d1542b7d4bc3..4d2815079fc2 100644 --- a/drivers/hwmon/ina2xx.c +++ b/drivers/hwmon/ina2xx.c @@ -36,6 +36,7 @@ #include <linux/jiffies.h> #include <linux/of.h> #include <linux/delay.h> +#include <linux/util_macros.h> #include <linux/platform_data/ina2xx.h> @@ -141,19 +142,6 @@ static const struct ina2xx_config ina2xx_config[] = { */ static const int ina226_avg_tab[] = { 1, 4, 16, 64, 128, 256, 512, 1024 }; -static int ina226_avg_bits(int avg) -{ - int i; - - /* Get the closest average from the tab. */ - for (i = 0; i < ARRAY_SIZE(ina226_avg_tab) - 1; i++) { - if (avg <= (ina226_avg_tab[i] + ina226_avg_tab[i + 1]) / 2) - break; - } - - return i; /* Return 0b0111 for values greater than 1024. */ -} - static int ina226_reg_to_interval(u16 config) { int avg = ina226_avg_tab[INA226_READ_AVG(config)]; @@ -171,7 +159,8 @@ static u16 ina226_interval_to_reg(int interval, u16 config) avg = DIV_ROUND_CLOSEST(interval * 1000, INA226_TOTAL_CONV_TIME_DEFAULT); - avg_bits = ina226_avg_bits(avg); + avg_bits = find_closest(avg, ina226_avg_tab, + ARRAY_SIZE(ina226_avg_tab)); return (config & ~INA226_AVG_RD_MASK) | INA226_SHIFT_AVG(avg_bits); } |