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Staging: speakup: fix read scrolled-back VT

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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 <[email protected]>
Reviewed-by: Alan Cox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Samuel Thibault 2016-01-25 01:32:08 +01:00 • committed by Greg Kroah-Hartman
commit 88867e3d0b
2 changed files with 14 additions and 8 deletions
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1
drivers/tty/vt/vt.c
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@ -4250,6 +4250,7 @@ unsigned short *screen_pos(struct vc_data *vc, int w_offset, int viewed)
{
return screenpos(vc, 2 * w_offset, viewed);
}
EXPORT_SYMBOL_GPL(screen_pos);
void getconsxy(struct vc_data *vc, unsigned char *p)
{