summaryrefslogtreecommitdiff
path: root/drivers/hwmon/lm85.c
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2015-04-20 11:32:26 +1000
committerDave Airlie <airlied@redhat.com>2015-04-20 13:05:20 +1000
commit2c33ce009ca2389dbf0535d0672214d09738e35e (patch)
tree6186a6458c3c160385d794a23eaf07c786a9e61b /drivers/hwmon/lm85.c
parentcec32a47010647e8b0603726ebb75b990a4057a4 (diff)
parent09d51602cf84a1264946711dd4ea0dddbac599a1 (diff)
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards, due to API changes in the regulator tree. I've included the patch into the merge to fix the build. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/hwmon/lm85.c')
-rw-r--r--drivers/hwmon/lm85.c26
1 files changed, 8 insertions, 18 deletions
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index 2b4b419273fe..6ff773fcaefb 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -34,6 +34,7 @@
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
#include <linux/mutex.h>
+#include <linux/util_macros.h>
/* Addresses to scan */
static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
@@ -190,15 +191,7 @@ static const int lm85_range_map[] = {
static int RANGE_TO_REG(long range)
{
- int i;
-
- /* Find the closest match */
- for (i = 0; i < 15; ++i) {
- if (range <= (lm85_range_map[i] + lm85_range_map[i + 1]) / 2)
- break;
- }
-
- return i;
+ return find_closest(range, lm85_range_map, ARRAY_SIZE(lm85_range_map));
}
#define RANGE_FROM_REG(val) lm85_range_map[(val) & 0x0f]
@@ -209,16 +202,12 @@ static const int lm85_freq_map[8] = { /* 1 Hz */
static const int adm1027_freq_map[8] = { /* 1 Hz */
11, 15, 22, 29, 35, 44, 59, 88
};
+#define FREQ_MAP_LEN 8
-static int FREQ_TO_REG(const int *map, unsigned long freq)
+static int FREQ_TO_REG(const int *map,
+ unsigned int map_size, unsigned long freq)
{
- int i;
-
- /* Find the closest match */
- for (i = 0; i < 7; ++i)
- if (freq <= (map[i] + map[i + 1]) / 2)
- break;
- return i;
+ return find_closest(freq, map, map_size);
}
static int FREQ_FROM_REG(const int *map, u8 reg)
@@ -828,7 +817,8 @@ static ssize_t set_pwm_freq(struct device *dev,
data->cfg5 &= ~ADT7468_HFPWM;
lm85_write_value(client, ADT7468_REG_CFG5, data->cfg5);
} else { /* Low freq. mode */
- data->pwm_freq[nr] = FREQ_TO_REG(data->freq_map, val);
+ data->pwm_freq[nr] = FREQ_TO_REG(data->freq_map,
+ FREQ_MAP_LEN, val);
lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
(data->zone[nr].range << 4)
| data->pwm_freq[nr]);