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-rw-r--r--drivers/w1/w1_family.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
index c4a6b257a367..869a3ff87d29 100644
--- a/drivers/w1/w1_family.h
+++ b/drivers/w1/w1_family.h
@@ -29,6 +29,7 @@
#define W1_COUNTER_DS2423 0x1D
#define W1_THERM_DS1822 0x22
#define W1_EEPROM_DS2433 0x23
+#define W1_FAMILY_DS2438 0x26
#define W1_THERM_DS18B20 0x28
#define W1_FAMILY_DS2408 0x29
#define W1_EEPROM_DS2431 0x2D