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media: v4l2-ctrls: v4l2_ctrl_add_handler: add from_other_dev

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Add a 'bool from_other_dev' argument: set to true if the two
handlers refer to different devices (e.g. it is true when
inheriting controls from a subdev into a main v4l2 bridge
driver).

This will be used later when implementing support for the
request API since we need to skip such controls.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hans Verkuil
2018-05-21 04:54:36 -04:00
committed by Mauro Carvalho Chehab
parent f23317adf6
commit da1b1aeac1
21 changed files with 61 additions and 49 deletions
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5
drivers/media/dvb-frontends/rtl2832_sdr.c
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@@ -1394,7 +1394,8 @@ static int rtl2832_sdr_probe(struct platform_device *pdev)
case RTL2832_SDR_TUNER_E4000:
v4l2_ctrl_handler_init(&dev->hdl, 9);
if (subdev)
v4l2_ctrl_add_handler(&dev->hdl, subdev->ctrl_handler, NULL);
v4l2_ctrl_add_handler(&dev->hdl, subdev->ctrl_handler,
NULL, true);
break;
case RTL2832_SDR_TUNER_R820T:
case RTL2832_SDR_TUNER_R828D:
@@ -1423,7 +1424,7 @@ static int rtl2832_sdr_probe(struct platform_device *pdev)
v4l2_ctrl_handler_init(&dev->hdl, 2);
if (subdev)
v4l2_ctrl_add_handler(&dev->hdl, subdev->ctrl_handler,
NULL);
NULL, true);
break;
default:
v4l2_ctrl_handler_init(&dev->hdl, 0);