From 1dbc080c9ef6bcfba652ef0d6ae919b8c7c85a1d Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 20 Sep 2017 12:04:04 -0700
Subject: [PATCH] Input: adxl34x - do not treat FIFO_MODE() as boolean
Git-commit: 1dbc080c9ef6bcfba652ef0d6ae919b8c7c85a1d
Patch-mainline: v4.15-rc1
References: bsc#1051510
FIFO_MODE() is a macro expression with a '<<' operator, which gcc points
out could be misread as a '<':
Drivers/input/misc/adxl34x.c: In function 'adxl34x_probe':
drivers/input/misc/adxl34x.c:799:36: error: '<<' in boolean context, did you mean '<' ? [-Werror=int-in-bool-context]
While utility of this warning is being disputed (Chief Penguin: "This
warning is clearly pure garbage.") FIFO_MODE() extracts range of values,
with 0 being FIFO_BYPASS, and not something that is logically boolean.
This converts the test to an explicit comparison with FIFO_BYPASS,
making it clearer to gcc and the reader what is intended.
Fixes: e27c729219ad ("Input: add driver for ADXL345/346 Digital Accelerometers")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/input/misc/adxl34x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/input/misc/adxl34x.c
+++ b/drivers/input/misc/adxl34x.c
@@ -796,7 +796,7 @@ struct adxl34x *adxl34x_probe(struct dev
if (pdata->watermark) {
ac->int_mask |= WATERMARK;
- if (!FIFO_MODE(pdata->fifo_mode))
+ if (FIFO_MODE(pdata->fifo_mode) == FIFO_BYPASS)
ac->pdata.fifo_mode |= FIFO_STREAM;
} else {
ac->int_mask |= DATA_READY;