diff options
| author |   Kyle Roeschley <kyle.roeschley@ni.com> | 2019-10-14 09:03:10 -0500 |
|---|---|---|
| committer |   Guenter Roeck <linux@roeck-us.net> | 2019-11-06 14:37:19 -0800 |
| commit | 5ff02752b318ecfabe2a79cf50f8a1d563b9eb02 (patch) | |
| tree | 36c5f741dcbbe240e4ef5770c475590c37666e56 | |
| parent | hwmon: (w83793d) remove redundant assignment to variable res (diff) | |
| download | linux-dev-5ff02752b318ecfabe2a79cf50f8a1d563b9eb02.tar.xz linux-dev-5ff02752b318ecfabe2a79cf50f8a1d563b9eb02.zip | |
hwmon: (tmp421) Allow reading at 2Hz instead of 0.5Hz
Our driver configures the device to read at 2Hz, but then only allows the
user to read cached temp values at up to 0.5Hz. Let's allow users to read
as quickly as we do.
Signed-off-by: Kyle Roeschley <kyle.roeschley@ni.com>
Link: https://lore.kernel.org/r/20191014140310.7438-1-kyle.roeschley@ni.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | drivers/hwmon/tmp421.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c index a94e35cff3e5..83a4fab151d2 100644 --- a/drivers/hwmon/tmp421.c +++ b/drivers/hwmon/tmp421.c @@ -127,7 +127,8 @@ static struct tmp421_data *tmp421_update_device(struct device *dev) mutex_lock(&data->update_lock); - if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) { + if (time_after(jiffies, data->last_updated + (HZ / 2)) || + !data->valid) { data->config = i2c_smbus_read_byte_data(client, TMP421_CONFIG_REG_1); |