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hwmon: (tmp421) Allow reading at 2Hz instead of 0.5Hz

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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>
This commit is contained in:
Kyle Roeschley 2019-10-14 09:03:10 -05:00 • committed by Guenter Roeck
parent 58a24b5241
commit 5ff02752b3
1 changed files with 2 additions and 1 deletions
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3
drivers/hwmon/tmp421.c
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@ -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);