diff options
| author | Armin Wolf <W_Armin@gmx.de> | 2023-09-07 07:26:35 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2023-10-27 07:27:23 -0700 |
| commit | 7f0b28e0653f36b51542d25dd54ed312c397ecfc (patch) | |
| tree | a300c338279007b3ff7d0879bab62658bd44b25d /drivers/hwmon | |
| parent | 27887b06597bbfef8924985d1ed21db3ab01c417 (diff) | |
| download | linux-7f0b28e0653f36b51542d25dd54ed312c397ecfc.tar.gz | |
hwmon: (sch5627) Use bit macros when accessing the control register
Use bit macros then accessing SCH5627_REG_CTRL, so that people
do not need to look at the datasheet to find out what each bit
does.
Tested on a Fujitsu Esprimo P720.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230907052639.16491-2-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/sch5627.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/hwmon/sch5627.c b/drivers/hwmon/sch5627.c index 1bbda3b05532e..0eefb8c0aef25 100644 --- a/drivers/hwmon/sch5627.c +++ b/drivers/hwmon/sch5627.c @@ -6,6 +6,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/bits.h> #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/init.h> @@ -32,6 +33,9 @@ #define SCH5627_REG_PRIMARY_ID 0x3f #define SCH5627_REG_CTRL 0x40 +#define SCH5627_CTRL_START BIT(0) +#define SCH5627_CTRL_VBAT BIT(4) + #define SCH5627_NO_TEMPS 8 #define SCH5627_NO_FANS 4 #define SCH5627_NO_IN 5 @@ -147,7 +151,8 @@ static int sch5627_update_in(struct sch5627_data *data) /* Trigger a Vbat voltage measurement every 5 minutes */ if (time_after(jiffies, data->last_battery + 300 * HZ)) { - sch56xx_write_virtual_reg(data->addr, SCH5627_REG_CTRL, data->control | 0x10); + sch56xx_write_virtual_reg(data->addr, SCH5627_REG_CTRL, + data->control | SCH5627_CTRL_VBAT); data->last_battery = jiffies; } @@ -483,14 +488,13 @@ static int sch5627_probe(struct platform_device *pdev) return val; data->control = val; - if (!(data->control & 0x01)) { + if (!(data->control & SCH5627_CTRL_START)) { pr_err("hardware monitoring not enabled\n"); return -ENODEV; } /* Trigger a Vbat voltage measurement, so that we get a valid reading the first time we read Vbat */ - sch56xx_write_virtual_reg(data->addr, SCH5627_REG_CTRL, - data->control | 0x10); + sch56xx_write_virtual_reg(data->addr, SCH5627_REG_CTRL, data->control | SCH5627_CTRL_VBAT); data->last_battery = jiffies; /* |