staging/easycap: Implement interlaced modes and reduced framerates

Interlaced modes are requested by tvtime.  Reduced framerates are
preferred by some userspace programs, e.g. astronomy applications.

Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
4 files changed