From 0f28b79346439ef5db130020aa07be9ca7c2ee84 Mon Sep 17 00:00:00 2001 From: roel kluin Date: Wed, 17 Dec 2008 14:01:07 -0300 Subject: [PATCH] V4L/DVB (10064): mt9m111: mt9m111_get_global_gain() - unsigned >= 0 is always true unsigned >= 0 is always true and fix formula Signed-off-by: Roel Kluin Acked-by: Robert Jarzmik Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/mt9m111.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c index 63c52c0b3e72..343be9252fe7 100644 --- a/drivers/media/video/mt9m111.c +++ b/drivers/media/video/mt9m111.c @@ -634,18 +634,15 @@ static int mt9m111_set_flip(struct soc_camera_device *icd, int flip, int mask) static int mt9m111_get_global_gain(struct soc_camera_device *icd) { - unsigned int data, gain; + int data; data = reg_read(GLOBAL_GAIN); if (data >= 0) - gain = ((data & (1 << 10)) * 2) - | ((data & (1 << 9)) * 2) - | (data & 0x2f); - else - gain = data; - - return gain; + return (data & 0x2f) * (1 << ((data >> 10) & 1)) * + (1 << ((data >> 9) & 1)); + return data; } + static int mt9m111_set_global_gain(struct soc_camera_device *icd, int gain) { u16 val; -- 2.20.1