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-rw-r--r--Documentation/w1/slaves/w1_ds2438.rst8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/w1/slaves/w1_ds2438.rst b/Documentation/w1/slaves/w1_ds2438.rst
index a29309a3f8e5..ac8d0d4b0d0e 100644
--- a/Documentation/w1/slaves/w1_ds2438.rst
+++ b/Documentation/w1/slaves/w1_ds2438.rst
@@ -44,6 +44,14 @@ Internally when this file is read, the additional CRC byte is also obtained
from the slave device. If it is correct, the 8 bytes page data are passed
to userspace, otherwise an I/O error is returned.
+"page1"
+-------
+This file provides full 8 bytes of the chip Page 1 (01h).
+This page contains the ICA, elapsed time meter and current offset data of the DS2438.
+Internally when this file is read, the additional CRC byte is also obtained
+from the slave device. If it is correct, the 8 bytes page data are passed
+to userspace, otherwise an I/O error is returned.
+
"temperature"
-------------
Opening and reading this file initiates the CONVERT_T (temperature conversion)