qv4l2: two field related fixes
authorHans Verkuil <hans.verkuil@cisco.com>
Tue, 25 Feb 2014 22:20:48 +0000 (23:20 +0100)
committerHans Verkuil <hans.verkuil@cisco.com>
Fri, 28 Feb 2014 13:40:49 +0000 (14:40 +0100)
commit7521b8be1384deeff1e7a5a0762bbbcfab1f483f
tree6938cd14d9032671fd8e3a98d5f88dd4684e2fe1
parent8539729ff71984c2127e2b2e27ca3fb286de577a
qv4l2: two field related fixes

Update the field combobox when changing inputs.

Don't clear the field combobox unless at least one valid field could
be found. This to prevent the combobox from clearing when trying to
change it while streaming is in progress.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
utils/qv4l2/general-tab.cpp