Commit 793c51d5 authored by Jean Delvare's avatar Jean Delvare Committed by Jean Delvare
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hwmon: (w83795) Clear intrusion alarm immediately

When asked to clear the intrusion alarm, do so immediately. We have to
invalidate the cache to make sure the new status will be read. But we
also have to read from the status register once to clear the pending
alarm, as writing to CLR_CHS surprising won't clear it automatically.
Signed-off-by: default avatarJean Delvare <>
Acked-by: default avatarGuenter Roeck <>
parent cf6b9ea6
......@@ -755,6 +755,10 @@ store_chassis_clear(struct device *dev,
val = w83795_read(client, W83795_REG_CLR_CHASSIS);
val |= 0x80;
w83795_write(client, W83795_REG_CLR_CHASSIS, val);
/* Clear status and force cache refresh */
w83795_read(client, W83795_REG_ALARM(5));
data->valid = 0;
return count;
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