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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2008-08-14 12:03:18 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-12 09:36:50 -0200 |
| commit | 112116410aaab5310a9a279c71fb76605236e448 (patch) | |
| tree | 8184853dc7113f507cc0be3f698d4a9e466c85a1 /drivers/media/video/mt9m001.c | |
| parent | 77110abbfbfd7673be6d18ef0875350eabee7532 (diff) | |
| download | linux-112116410aaab5310a9a279c71fb76605236e448.tar.gz linux-112116410aaab5310a9a279c71fb76605236e448.tar.bz2 linux-112116410aaab5310a9a279c71fb76605236e448.zip | |
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/mt9m001.c')
| -rw-r--r-- | drivers/media/video/mt9m001.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c index 554d2295484e..3531f9352dff 100644 --- a/drivers/media/video/mt9m001.c +++ b/drivers/media/video/mt9m001.c @@ -119,16 +119,16 @@ static int mt9m001_init(struct soc_camera_device *icd) { int ret; - /* Disable chip, synchronous option update */ dev_dbg(icd->vdev->parent, "%s\n", __func__); ret = reg_write(icd, MT9M001_RESET, 1); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_RESET, 0); - if (ret >= 0) + /* Disable chip, synchronous option update */ + if (!ret) ret = reg_write(icd, MT9M001_OUTPUT_CONTROL, 0); - return ret >= 0 ? 0 : -EIO; + return ret; } static int mt9m001_release(struct soc_camera_device *icd) @@ -267,24 +267,24 @@ static int mt9m001_set_fmt_cap(struct soc_camera_device *icd, /* Blanking and start values - default... */ ret = reg_write(icd, MT9M001_HORIZONTAL_BLANKING, hblank); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_VERTICAL_BLANKING, vblank); /* The caller provides a supported format, as verified per * call to icd->try_fmt_cap() */ - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_COLUMN_START, rect->left); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_ROW_START, rect->top); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_WINDOW_WIDTH, rect->width - 1); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_WINDOW_HEIGHT, rect->height + icd->y_skip_top - 1); - if (ret >= 0 && mt9m001->autoexposure) { + if (!ret && mt9m001->autoexposure) { ret = reg_write(icd, MT9M001_SHUTTER_WIDTH, rect->height + icd->y_skip_top + vblank); - if (ret >= 0) { + if (!ret) { const struct v4l2_queryctrl *qctrl = soc_camera_find_qctrl(icd->ops, V4L2_CID_EXPOSURE); @@ -295,7 +295,7 @@ static int mt9m001_set_fmt_cap(struct soc_camera_device *icd, } } - return ret < 0 ? ret : 0; + return ret; } static int mt9m001_try_fmt_cap(struct soc_camera_device *icd, |