From eba37f40a6e3a9294ef0c4ed00ab2e70c1d07b8a Mon Sep 17 00:00:00 2001
From: "Carsten Haitzler (Rasterman)" <raster@rasterman.com>
Date: Mon, 10 Feb 2020 08:09:47 +0000
Subject: [PATCH] backlight - on get fails, also retry a few times

so sometimes i see gets fail, especially on wakeup, so retry.
---
 src/bin/e_backlight.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/bin/e_backlight.c b/src/bin/e_backlight.c
index 10259be03..674de430f 100644
--- a/src/bin/e_backlight.c
+++ b/src/bin/e_backlight.c
@@ -90,8 +90,8 @@ _backlight_system_ddc_get_cb(void *data, const char *params)
    if (!bd->edid) return;
    if (!!strncmp(bd->edid, edid, strlen(edid))) return;
    e_system_handler_del("ddc-val-get", _backlight_system_ddc_get_cb, bd);
-   if (val < 0) return; // get failed.... don't update
-   fval = (double)val / 100.0;
+   if (val < 0) fval = -1.0;
+   else fval = (double)val / 100.0;
    if ((fabs(fval - bd->val) >= DBL_EPSILON) || (val == -1))
      {
         bd->val = fval;