diff options
Diffstat (limited to 'drivers/hwmon/lm85.c')
| -rw-r--r-- | drivers/hwmon/lm85.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index c323c2b89808..3a84dc863df0 100644 --- a/drivers/hwmon/lm85.c +++ b/drivers/hwmon/lm85.c @@ -5,6 +5,7 @@ Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de> Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com> + Copyright (C) 2007, 2008 Jean Delvare <khali@linux-fr.org> Chip details at <http://www.national.com/ds/LM/LM85.pdf> @@ -192,20 +193,27 @@ static int RANGE_TO_REG(int range) /* These are the PWM frequency encodings */ static const int lm85_freq_map[8] = { /* 1 Hz */ - 10, 15, 23, 30, 38, 47, 62, 94 + 10, 15, 23, 30, 38, 47, 61, 94 +}; +static const int adm1027_freq_map[8] = { /* 1 Hz */ + 11, 15, 22, 29, 35, 44, 59, 88 }; -static int FREQ_TO_REG(int freq) +static int FREQ_TO_REG(const int *map, int freq) { int i; /* Find the closest match */ for (i = 0; i < 7; ++i) - if (freq <= (lm85_freq_map[i] + lm85_freq_map[i + 1]) / 2) + if (freq <= (map[i] + map[i + 1]) / 2) break; return i; } -#define FREQ_FROM_REG(val) lm85_freq_map[(val) & 0x07] + +static int FREQ_FROM_REG(const int *map, u8 reg) +{ + return map[reg & 0x07]; +} /* Since we can't use strings, I'm abusing these numbers * to stand in for the following meanings: @@ -283,6 +291,7 @@ struct lm85_autofan { struct lm85_data { struct i2c_client client; struct device *hwmon_dev; + const int *freq_map; enum chips type; struct mutex update_lock; @@ -532,7 +541,8 @@ static ssize_t show_pwm_freq(struct device *dev, { int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); - return sprintf(buf, "%d\n", FREQ_FROM_REG(data->pwm_freq[nr])); + return sprintf(buf, "%d\n", FREQ_FROM_REG(data->freq_map, + data->pwm_freq[nr])); } static ssize_t set_pwm_freq(struct device *dev, @@ -544,7 +554,7 @@ static ssize_t set_pwm_freq(struct device *dev, long val = simple_strtol(buf, NULL, 10); mutex_lock(&data->update_lock); - data->pwm_freq[nr] = FREQ_TO_REG(val); + data->pwm_freq[nr] = FREQ_TO_REG(data->freq_map, val); lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), (data->zone[nr].range << 4) | data->pwm_freq[nr]); @@ -1184,24 +1194,31 @@ static int lm85_detect(struct i2c_adapter *adapter, int address, switch (kind) { case lm85b: type_name = "lm85b"; + data->freq_map = lm85_freq_map; break; case lm85c: type_name = "lm85c"; + data->freq_map = lm85_freq_map; break; case adm1027: type_name = "adm1027"; + data->freq_map = adm1027_freq_map; break; case adt7463: type_name = "adt7463"; + data->freq_map = adm1027_freq_map; break; case emc6d100: type_name = "emc6d100"; + data->freq_map = adm1027_freq_map; break; case emc6d102: type_name = "emc6d102"; + data->freq_map = adm1027_freq_map; break; default: type_name = "lm85"; + data->freq_map = lm85_freq_map; } strlcpy(client->name, type_name, I2C_NAME_SIZE); |