diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2015-04-01 10:15:38 -0700 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2016-04-19 06:32:37 -0700 |
| commit | 559313c4e9b29f5d0ba246f69d1052ef2fd9b423 (patch) | |
| tree | a5bbd377520dc3780f49dec6b4fa7e909c10e002 /drivers/hwmon/it87.c | |
| parent | cc18da79d9b7faf1ec617e2478d57d25d7b2f93a (diff) | |
| download | linux-559313c4e9b29f5d0ba246f69d1052ef2fd9b423.tar.bz2 | |
hwmon: (it87) Simplify reading voltage registers
Voltage registers are non-sequential. Use a register array instead
of a macro to map sensor index to register to simplify the code
and to make it easier to add additional voltage sensors.
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/it87.c')
| -rw-r--r-- | drivers/hwmon/it87.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 722d6de62d1c..aa3ec50527a3 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -232,10 +232,10 @@ static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59 }; static const u8 IT87_REG_PWM[] = { 0x15, 0x16, 0x17, 0x7f, 0xa7, 0xaf }; static const u8 IT87_REG_PWM_DUTY[] = { 0x63, 0x6b, 0x73, 0x7b, 0xa3, 0xab }; -#define IT87_REG_VIN(nr) (0x20 + (nr)) -#define IT87_REG_TEMP(nr) (0x29 + (nr)) +static const u8 IT87_REG_VIN[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, + 0x27, 0x28, 0x2f }; -#define IT87_REG_AVCC3 0x2f +#define IT87_REG_TEMP(nr) (0x29 + (nr)) #define IT87_REG_VIN_MAX(nr) (0x30 + (nr) * 2) #define IT87_REG_VIN_MIN(nr) (0x31 + (nr) * 2) @@ -679,18 +679,22 @@ static struct it87_data *it87_update_device(struct device *dev) it87_write_value(data, IT87_REG_CONFIG, it87_read_value(data, IT87_REG_CONFIG) | 0x40); } - for (i = 0; i <= 7; i++) { + for (i = 0; i < ARRAY_SIZE(IT87_REG_VIN); i++) { + if (!(data->has_in & (1 << i))) + continue; + data->in[i][0] = - it87_read_value(data, IT87_REG_VIN(i)); + it87_read_value(data, IT87_REG_VIN[i]); + + /* VBAT and AVCC don't have limit registers */ + if (i >= 8) + continue; + data->in[i][1] = it87_read_value(data, IT87_REG_VIN_MIN(i)); data->in[i][2] = it87_read_value(data, IT87_REG_VIN_MAX(i)); } - /* in8 (battery) has no limit registers */ - data->in[8][0] = it87_read_value(data, IT87_REG_VIN(8)); - if (has_avcc3(data)) - data->in[9][0] = it87_read_value(data, IT87_REG_AVCC3); for (i = 0; i < 6; i++) { /* Skip disabled fans */ |