From 5ff02752b318ecfabe2a79cf50f8a1d563b9eb02 Mon Sep 17 00:00:00 2001 From: Kyle Roeschley Date: Mon, 14 Oct 2019 09:03:10 -0500 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/20191014140310.7438-1-kyle.roeschley@ni.com Signed-off-by: Guenter Roeck --- drivers/hwmon/tmp421.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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);