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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2008-08-14 12:03:18 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 09:36:50 -0200
commit112116410aaab5310a9a279c71fb76605236e448 (patch)
tree8184853dc7113f507cc0be3f698d4a9e466c85a1 /drivers/media/video/mt9v022.c
parent77110abbfbfd7673be6d18ef0875350eabee7532 (diff)
downloadop-kernel-dev-112116410aaab5310a9a279c71fb76605236e448.zip
op-kernel-dev-112116410aaab5310a9a279c71fb76605236e448.tar.gz
V4L/DVB (8685): mt9m001, mt9v022: Simplify return code checking
i2c_smbus_write_word_data() returns 0 or a negative error, hence no need to check for "> 0". Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/mt9v022.c')
-rw-r--r--drivers/media/video/mt9v022.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c
index 56808cd..0f4b204 100644
--- a/drivers/media/video/mt9v022.c
+++ b/drivers/media/video/mt9v022.c
@@ -141,22 +141,22 @@ static int mt9v022_init(struct soc_camera_device *icd)
* plus snapshot mode to disable scan for now */
mt9v022->chip_control |= 0x10;
ret = reg_write(icd, MT9V022_CHIP_CONTROL, mt9v022->chip_control);
- if (ret >= 0)
- reg_write(icd, MT9V022_READ_MODE, 0x300);
+ if (!ret)
+ ret = reg_write(icd, MT9V022_READ_MODE, 0x300);
/* All defaults */
- if (ret >= 0)
+ if (!ret)
/* AEC, AGC on */
ret = reg_set(icd, MT9V022_AEC_AGC_ENABLE, 0x3);
- if (ret >= 0)
+ if (!ret)
ret = reg_write(icd, MT9V022_MAX_TOTAL_SHUTTER_WIDTH, 480);
- if (ret >= 0)
+ if (!ret)
/* default - auto */
ret = reg_clear(icd, MT9V022_BLACK_LEVEL_CALIB_CTRL, 1);
- if (ret >= 0)
+ if (!ret)
ret = reg_write(icd, MT9V022_DIGITAL_TEST_PATTERN, 0);
- return ret >= 0 ? 0 : -EIO;
+ return ret;
}
static int mt9v022_release(struct soc_camera_device *icd)
@@ -352,21 +352,21 @@ static int mt9v022_set_fmt_cap(struct soc_camera_device *icd,
rect->height + icd->y_skip_top + 43);
}
/* Setup frame format: defaults apart from width and height */
- if (ret >= 0)
+ if (!ret)
ret = reg_write(icd, MT9V022_COLUMN_START, rect->left);
- if (ret >= 0)
+ if (!ret)
ret = reg_write(icd, MT9V022_ROW_START, rect->top);
- if (ret >= 0)
+ if (!ret)
/* Default 94, Phytec driver says:
* "width + horizontal blank >= 660" */
ret = reg_write(icd, MT9V022_HORIZONTAL_BLANKING,
rect->width > 660 - 43 ? 43 :
660 - rect->width);
- if (ret >= 0)
+ if (!ret)
ret = reg_write(icd, MT9V022_VERTICAL_BLANKING, 45);
- if (ret >= 0)
+ if (!ret)
ret = reg_write(icd, MT9V022_WINDOW_WIDTH, rect->width);
- if (ret >= 0)
+ if (!ret)
ret = reg_write(icd, MT9V022_WINDOW_HEIGHT,
rect->height + icd->y_skip_top);
@@ -717,7 +717,7 @@ static int mt9v022_video_probe(struct soc_camera_device *icd)
icd->num_formats = 1;
}
- if (ret >= 0)
+ if (!ret)
ret = soc_camera_video_start(icd);
if (ret < 0)
goto eisis;
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