diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h
index ec311bc89439fc7c2b710947f40ff385391ffc15..679b46a6a565ccdad994bc245b438d80003be870 100644
--- a/include/linux/i2c-id.h
+++ b/include/linux/i2c-id.h
@@ -184,6 +184,7 @@
 #define I2C_HW_B_SAVAGE		0x01001d /* savage framebuffer driver */
 #define I2C_HW_B_RADEON		0x01001e /* radeon framebuffer driver */
 #define I2C_HW_B_EM28XX		0x01001f /* em28xx video capture cards */
+#define I2C_HW_B_CX2341X	0x010020 /* Conexant CX2341X MPEG encoder cards */
 
 /* --- PCF 8584 based algorithms					*/
 #define I2C_HW_P_LP		0x020000 /* Parallel port interface */