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[media] vivid: use ARRAY_SIZE to calculate max control value 

The max value of various menu controls is hardcoded, and it is easy to forget
to update it after adding a new menu item.

So use ARRAY_SIZE instead to calculate this value.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2015-09-13 13:41:27 -03:00 committed by Mauro Carvalho Chehab
parent 9ec32cc703
commit ff1447267b
1 changed files with 7 additions and 7 deletions
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14
drivers/media/platform/vivid/vivid-ctrls.c
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@ -549,7 +549,7 @@ static const struct v4l2_ctrl_config vivid_ctrl_osd_mode = {
.id = VIVID_CID_OSD_TEXT_MODE,
.name = "OSD Text Mode",
.type = V4L2_CTRL_TYPE_MENU,
.max = 2,
.max = ARRAY_SIZE(vivid_ctrl_osd_mode_strings) - 2,
.qmenu = vivid_ctrl_osd_mode_strings,
};
@ -641,7 +641,7 @@ static const struct v4l2_ctrl_config vivid_ctrl_tstamp_src = {
.id = VIVID_CID_TSTAMP_SRC,
.name = "Timestamp Source",
.type = V4L2_CTRL_TYPE_MENU,
.max = 1,
.max = ARRAY_SIZE(vivid_ctrl_tstamp_src_strings) - 2,
.qmenu = vivid_ctrl_tstamp_src_strings,
};
@ -713,7 +713,7 @@ static const struct v4l2_ctrl_config vivid_ctrl_colorspace = {
.id = VIVID_CID_COLORSPACE,
.name = "Colorspace",
.type = V4L2_CTRL_TYPE_MENU,
.max = 7,
.max = ARRAY_SIZE(vivid_ctrl_colorspace_strings) - 2,
.def = 2,
.qmenu = vivid_ctrl_colorspace_strings,
};
@ -733,7 +733,7 @@ static const struct v4l2_ctrl_config vivid_ctrl_xfer_func = {
.id = VIVID_CID_XFER_FUNC,
.name = "Transfer Function",
.type = V4L2_CTRL_TYPE_MENU,
.max = 5,
.max = ARRAY_SIZE(vivid_ctrl_xfer_func_strings) - 2,
.qmenu = vivid_ctrl_xfer_func_strings,
};
@ -755,7 +755,7 @@ static const struct v4l2_ctrl_config vivid_ctrl_ycbcr_enc = {
.id = VIVID_CID_YCBCR_ENC,
.name = "Y'CbCr Encoding",
.type = V4L2_CTRL_TYPE_MENU,
.max = 8,
.max = ARRAY_SIZE(vivid_ctrl_ycbcr_enc_strings) - 2,
.qmenu = vivid_ctrl_ycbcr_enc_strings,
};
@ -771,7 +771,7 @@ static const struct v4l2_ctrl_config vivid_ctrl_quantization = {
.id = VIVID_CID_QUANTIZATION,
.name = "Quantization",
.type = V4L2_CTRL_TYPE_MENU,
.max = 2,
.max = ARRAY_SIZE(vivid_ctrl_quantization_strings) - 2,
.qmenu = vivid_ctrl_quantization_strings,
};
@ -1089,7 +1089,7 @@ static const struct v4l2_ctrl_config vivid_ctrl_std_signal_mode = {
.id = VIVID_CID_STD_SIGNAL_MODE,
.name = "Standard Signal Mode",
.type = V4L2_CTRL_TYPE_MENU,
.max = 5,
.max = ARRAY_SIZE(vivid_ctrl_std_signal_mode_strings) - 2,
.menu_skip_mask = 1 << 3,
.qmenu = vivid_ctrl_std_signal_mode_strings,
};