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
