Messages in this thread Patch in this message | | | Date | Wed, 4 Feb 2009 10:35:10 -0800 | From | Greg KH <> | Subject | [patch 28/33] video: always update the brightness when poking "brightness" |
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2.6.28-stable review patch. If anyone has any objections, please let us know.
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From: Zhang Rui <rui.zhang@intel.com>
commit 9e6dada9d255497127251c03aaa59296d186f959 upstream.
always update props.brightness no matter the backlight is changed via procfs, hotkeys or sysfs.
Sighed-off-by: Zhang Rui <rui.zhang@intel.com> Acked-by: Matthew Garrett <mjg59@srcf.ucam.org> Signed-off-by: Len Brown <len.brown@intel.com> Cc: Thomas Renninger <trenn@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/acpi/video.c | 5 +++++ 1 file changed, 5 insertions(+)
--- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -481,6 +481,7 @@ acpi_video_device_lcd_set_level(struct a int status = AE_OK; union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; + int state; arg0.integer.value = level; @@ -489,6 +490,10 @@ acpi_video_device_lcd_set_level(struct a status = acpi_evaluate_object(device->dev->handle, "_BCM", &args, NULL); device->brightness->curr = level; + for (state = 2; state < device->brightness->count; state++) + if (level == device->brightness->levels[state]) + device->backlight->props.brightness = state - 2; + return status; }
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