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ACPI: thinkpad-acpi: update brightness sysfs interface support

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Update the brightness sysfs interface (done through the backlight class) to
be in line with the rest of the thinkpad-acpi driver.

This renames the incorrect, un-obvious, and clash-prone name of "ibm" for
the backlight device to a much more fitting and descriptive
"thinkpad_screen".  This is something I wanted to do for quite a while...

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Henrique de Moraes Holschuh
2007-04-24 11:48:20 -03:00
committed by Len Brown
parent b616004c70
commit 7d5a015eec
3 changed files with 51 additions and 8 deletions
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2
drivers/misc/thinkpad_acpi.h
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@@ -296,6 +296,8 @@ static int bluetooth_write(char *buf);
* Brightness (backlight) subdriver
*/
#define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen"
static struct backlight_device *ibm_backlight_device;
static int brightness_offset = 0x31;