Use find_closest() to locate the closest average in ina226_avg_tab.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
---
drivers/hwmon/ina2xx.c | 16 ++--------------
1 file changed, 2 insertions(+), 14 deletions(-)
diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c
index d1542b7..fc7f023 100644
--- a/drivers/hwmon/ina2xx.c
+++ b/drivers/hwmon/ina2xx.c
@@ -141,19 +141,6 @@ 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 +158,8 @@ 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);
}
--
2.1.4
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