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Commit 84ca8e36 authored by Matt Ranostay's avatar Matt Ranostay Committed by Jonathan Cameron
Browse files

iio: proximity: as3935: fix as3935_write 



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: default avatarMatt Ranostay <matt.ranostay@konsulko.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent ce420fd4

drivers/iio/proximity/as3935.c

+1 −2
Original line number Original line Diff line number Diff line
@@ -50,7 +50,6 @@ 
#define AS3935_TUNE_CAP		0x08

#define AS3935_TUNE_CAP		0x08

#define AS3935_CALIBRATE	0x3D

#define AS3935_CALIBRATE	0x3D





#define AS3935_WRITE_DATA	BIT(15)

#define AS3935_READ_DATA	BIT(14)

#define AS3935_READ_DATA	BIT(14)

#define AS3935_ADDRESS(x)	((x) << 8)

#define AS3935_ADDRESS(x)	((x) << 8)
@@ -105,7 +104,7 @@ static int as3935_write(struct as3935_state *st, 
{

{

	u8 *buf = st->buf;

	u8 *buf = st->buf;





	buf[0] = (AS3935_WRITE_DATA | AS3935_ADDRESS(reg)) >> 8;

	buf[0] = AS3935_ADDRESS(reg) >> 8;

	buf[1] = val;

	buf[1] = val;





	return spi_write(st->spi, buf, 2);

	return spi_write(st->spi, buf, 2);