| From | Ben Hutchings <> | Date | Fri, 18 Aug 2017 14:13:20 +0100 | Subject | [PATCH 3.16 051/134] iio: proximity: as3935: fix as3935_write |
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3.16.47-rc1 review patch. If anyone has any objections, please let me know.
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From: Matt Ranostay <matt.ranostay@konsulko.com>
commit 84ca8e364acb26aba3292bc113ca8ed4335380fd upstream.
AS3935_WRITE_DATA macro bit is incorrect and the actual write sequence is two leading zeros.
Cc: George McCollister <george.mccollister@gmail.com> Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/iio/proximity/as3935.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -50,7 +50,6 @@ #define AS3935_TUNE_CAP 0x08 #define AS3935_CALIBRATE 0x3D -#define AS3935_WRITE_DATA BIT(15) #define AS3935_READ_DATA BIT(14) #define AS3935_ADDRESS(x) ((x) << 8) @@ -105,7 +104,7 @@ static int as3935_write(struct as3935_st { u8 *buf = st->buf; - buf[0] = (AS3935_WRITE_DATA | AS3935_ADDRESS(reg)) >> 8; + buf[0] = AS3935_ADDRESS(reg) >> 8; buf[1] = val; return spi_write(st->spi, buf, 2);
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