[PATCH] iio: adc: mcp3911: use correct id bits

[Marcus Folkesson]

The device ID should be shifted 6 bits to left according to datasheet.

Fixes: 3a89b289df5d ("iio: adc: add support for mcp3911")
Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
---
 drivers/iio/adc/mcp3911.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
index e55db02c534f..2c1af11a621f 100644
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -57,8 +57,8 @@
 /* Internal voltage reference in mV */
 #define MCP3911_INT_VREF_MV		1200
 
-#define MCP3911_REG_READ(reg, id)	((((reg) << 1) | ((id) << 5) | (1 << 0)) & 0xff)
-#define MCP3911_REG_WRITE(reg, id)	((((reg) << 1) | ((id) << 5) | (0 << 0)) & 0xff)
+#define MCP3911_REG_READ(reg, id)	((((reg) << 1) | ((id) << 6) | (1 << 0)) & 0xff)
+#define MCP3911_REG_WRITE(reg, id)	((((reg) << 1) | ((id) << 6) | (0 << 0)) & 0xff)
 
 #define MCP3911_NUM_CHANNELS		2
 #define MCP3911_NUM_SCALES		6
-- 
2.37.1