From: Matt Ranostay <matt.ranostay@konsulko.com>
Date: Fri, 14 Apr 2017 06:21:56 +0000 (-0700)
Subject: iio: proximity: as3935: fix as3935_write
X-Git-Tag: v4.12-rc1~84^2~114^2~1
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=84ca8e364acb26aba3292bc113ca8ed4335380fd;p=users%2Fjedix%2Flinux-maple.git
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: Matt Ranostay <matt.ranostay@konsulko.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---
diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c
index 5656deb17261..020459513384 100644
--- 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_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);