Commit 815f1647 authored by Marcus Folkesson's avatar Marcus Folkesson Committed by Jonathan Cameron
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iio: adc: mcp3911: use correct id bits 



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

Fixes: 3a89b289 ("iio: adc: add support for mcp3911")
Signed-off-by: default avatarMarcus Folkesson <marcus.folkesson@gmail.com>
Link: https://lore.kernel.org/r/20221010194641.676484-1-marcus.folkesson@gmail.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent a83695a6

drivers/iio/adc/mcp3911.c

+2 −2
Original line number Diff line number Diff line
@@ -55,8 +55,8 @@ 
/* 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