From b545e10c50cbb2dd6f9fd53369667bed0d8f1b51 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 5 Jun 2014 15:54:32 +0100 Subject: [PATCH] sna: When the output is off, report the cached backlight value Signed-off-by: Chris Wilson --- src/sna/sna_display.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c index 8757847c..2dbe3f34 100644 --- a/src/sna/sna_display.c +++ b/src/sna/sna_display.c @@ -2646,9 +2646,17 @@ sna_output_get_property(xf86OutputPtr output, Atom property) if (!sna_output->backlight.iface) return FALSE; - val = sna_output_backlight_get(output); - if (val < 0) - return FALSE; + if (sna_output->dpms_mode == DPMSModeOn) { + val = sna_output_backlight_get(output); + if (val < 0) + return FALSE; + DBG(("%s(%s): output on, reporting actual backlight value [%d]\n", + __FUNCTION__, output->name, val)); + } else { + val = sna_output->backlight_active_level; + DBG(("%s(%s): output off, reporting cached backlight value [%d]\n", + __FUNCTION__, output->name, val)); + } err = RRChangeOutputProperty(output->randr_output, property, XA_INTEGER, 32, PropModeReplace, 1, &val,