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iio: adc: mcp3911: use correct id bits

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

Fixes: 3a89b289df ("iio: adc: add support for mcp3911")
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Link: https://lore.kernel.org/r/20221010194641.676484-1-marcus.folkesson@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Marcus Folkesson 2022-10-10 21:46:41 +02:00 committed by Jonathan Cameron
parent a83695a666
commit 815f1647a6
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/adc/mcp3911.c
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@ -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