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[media] em28xx-video: simplify usage of the pointer to struct v4l2_ctrl_handler in em28xx_v4l2_init() 

The local var hdl is already pointing to &dev->ctrl_handler.
Use it, instead of dereferencing it all the time.

Code cleanup. No functional changes.

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Frank Schaefer 2014-03-24 16:33:08 -03:00 committed by Mauro Carvalho Chehab
parent 6743033e58
commit ad2980557d
1 changed files with 14 additions and 14 deletions
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28
drivers/media/usb/em28xx/em28xx-video.c
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@ -2399,35 +2399,35 @@ static int em28xx_v4l2_init(struct em28xx *dev)
/* Add image controls */
/* NOTE: at this point, the subdevices are already registered, so bridge
* controls are only added/enabled when no subdevice provides them */
if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_CONTRAST))
v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_CONTRAST))
v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
V4L2_CID_CONTRAST,
0, 0x1f, 1, CONTRAST_DEFAULT);
if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_BRIGHTNESS))
v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BRIGHTNESS))
v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
V4L2_CID_BRIGHTNESS,
-0x80, 0x7f, 1, BRIGHTNESS_DEFAULT);
if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_SATURATION))
v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SATURATION))
v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
V4L2_CID_SATURATION,
0, 0x1f, 1, SATURATION_DEFAULT);
if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_BLUE_BALANCE))
v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BLUE_BALANCE))
v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
V4L2_CID_BLUE_BALANCE,
-0x30, 0x30, 1, BLUE_BALANCE_DEFAULT);
if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_RED_BALANCE))
v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_RED_BALANCE))
v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
V4L2_CID_RED_BALANCE,
-0x30, 0x30, 1, RED_BALANCE_DEFAULT);
if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_SHARPNESS))
v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SHARPNESS))
v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
V4L2_CID_SHARPNESS,
0, 0x0f, 1, SHARPNESS_DEFAULT);
/* Reset image controls */
em28xx_colorlevels_set_default(dev);
v4l2_ctrl_handler_setup(&dev->ctrl_handler);
ret = dev->ctrl_handler.error;
v4l2_ctrl_handler_setup(hdl);
ret = hdl->error;
if (ret)
goto unregister_dev;