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| author | Jesse Barnes <jesse.barnes@intel.com> | 2007-11-14 16:44:34 -0800 |
|---|---|---|
| committer | Jesse Barnes <jesse.barnes@intel.com> | 2007-11-14 16:44:34 -0800 |
| commit | e64f4929690a57701241334fbca17e95b39ba3d4 (patch) | |
| tree | d4699b68e895ee093e2cd8f1fdaa2b74c14fa756 /src/i830_lvds.c | |
| parent | 53e3693ef13f31f3fc33bcff7286ab2b03b2d430 (diff) | |
Backlight fixes
Open the "actual_brightness" file as read only, since we only read from it.
Also set an initial backlight_duty_cycle at init time so we don't set the
brightness to 0 at startup.
Diffstat (limited to 'src/i830_lvds.c')
| -rw-r--r-- | src/i830_lvds.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/i830_lvds.c b/src/i830_lvds.c index 0942d1cb..a3a56f7b 100644 --- a/src/i830_lvds.c +++ b/src/i830_lvds.c @@ -295,7 +295,7 @@ i830_lvds_get_backlight_kernel(xf86OutputPtr output) sprintf(path, "%s/%s/actual_brightness", BACKLIGHT_CLASS, backlight_interfaces[backlight_index]); - fd = open(path, O_RDWR); + fd = open(path, O_RDONLY); if (fd == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "failed to open %s for backlight " "control: %s\n", path, strerror(errno)); @@ -1015,6 +1015,8 @@ i830_lvds_init(ScrnInfoPtr pScrn) break; } + dev_priv->backlight_duty_cycle = dev_priv->backlight_max; + return; disable_exit: |