diff options
| author |   Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2015-04-16 12:43:39 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-17 09:03:55 -0400 |
| commit | cdb1dc3f1ca5c5899e5fa186afe20390bd8c00dc (patch) | |
| tree | 3f5f68cd7ecb9b1b1d8e47c62681f2c5c30b277b /drivers/hwmon/w83795.c | |
| parent | hwmon: (lm85) use find_closest() in x_TO_REG() functions (diff) | |
| download | linux-dev-cdb1dc3f1ca5c5899e5fa186afe20390bd8c00dc.tar.xz linux-dev-cdb1dc3f1ca5c5899e5fa186afe20390bd8c00dc.zip | |
hwmon: (w83795) use find_closest_descending() in pwm_freq_to_reg()
Replace the loop iterating over pwm_freq_cksel0 with a call to
find_closest_descending().
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/hwmon/w83795.c')
| -rw-r--r-- | drivers/hwmon/w83795.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c index 21894131190f..49276bbdac3d 100644 --- a/drivers/hwmon/w83795.c +++ b/drivers/hwmon/w83795.c @@ -35,6 +35,7 @@ #include <linux/err.h> #include <linux/mutex.h> #include <linux/jiffies.h> +#include <linux/util_macros.h> /* Addresses to scan */ static const unsigned short normal_i2c[] = { @@ -308,11 +309,8 @@ static u8 pwm_freq_to_reg(unsigned long val, u16 clkin) unsigned long best0, best1; /* Best fit for cksel = 0 */ - for (reg0 = 0; reg0 < ARRAY_SIZE(pwm_freq_cksel0) - 1; reg0++) { - if (val > (pwm_freq_cksel0[reg0] + - pwm_freq_cksel0[reg0 + 1]) / 2) - break; - } + reg0 = find_closest_descending(val, pwm_freq_cksel0, + ARRAY_SIZE(pwm_freq_cksel0)); if (val < 375) /* cksel = 1 can't beat this */ return reg0; best0 = pwm_freq_cksel0[reg0]; |