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iio: proximity: as3935: fix as3935_write

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AS3935_WRITE_DATA macro bit is incorrect and the actual write
sequence is two leading zeros.

Cc: George McCollister <[email protected]>
Signed-off-by: Matt Ranostay <[email protected]>
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
This commit is contained in:
Matt Ranostay 2017-04-13 23:21:56 -07:00 • committed by Jonathan Cameron
commit 84ca8e364a
1 changed files with 1 additions and 2 deletions
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3
drivers/iio/proximity/as3935.c
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@ -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_state *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);