Staging: speakup: fix read scrolled-back VT
Previously, speakup would always read the non-scrolled part of the VT, even when the VT is scrolled back with shift-page. This patch makes vt.c export screen_pos so that speakup can use it to properly access the content of the scrolled-back VT. This was tested with both vgacon and fbcon. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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