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don't muck with the LVDS_BLON bit

This commit is contained in:
macallan 2011-02-15 04:06:43 +00:00
parent 540bdd7510
commit 30bc81416e
1 changed files with 3 additions and 8 deletions
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11
sys/dev/pci/r128fb.c
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@ -1,4 +1,4 @@
/* $NetBSD: r128fb.c,v 1.20 2011/01/22 15:14:28 cegger Exp $ */
/* $NetBSD: r128fb.c,v 1.21 2011/02/15 04:06:43 macallan Exp $ */
/*
* Copyright (c) 2007 Michael Lorenz
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: r128fb.c,v 1.20 2011/01/22 15:14:28 cegger Exp $");
__KERNEL_RCSID(0, "$NetBSD: r128fb.c,v 1.21 2011/02/15 04:06:43 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -962,8 +962,7 @@ r128fb_set_backlight(struct r128fb_softc *sc, int level)
level = 255 - level;
reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL);
reg &= ~R128_LEVEL_MASK;
reg |= (level << R128_LEVEL_SHIFT) |
(level != 255 ? R128_LVDS_BLON : 0);
reg |= (level << R128_LEVEL_SHIFT);
bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL, reg);
DPRINTF("backlight level: %d reg %08x\n", level, reg);
}
@ -979,10 +978,6 @@ r128fb_switch_backlight(struct r128fb_softc *sc, int on)
sc->sc_bl_on = on;
reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL);
reg &= ~R128_LEVEL_MASK;
if (on) {
reg |= R128_LVDS_BLON;
} else
reg &= ~R128_LVDS_BLON;
level = on ? 255 - sc->sc_bl_level : 255;
reg |= level << R128_LEVEL_SHIFT;
bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL, reg);