From: Cezary Jackiewicz <cezary.jackiewicz@xxxxxxxxx>
* Clarify the code
* The current LCD brightness after booting should now be reflected in the
standard backlight interface sysfs file (previously it was always set to 0).
Signed-off-by: Cezary Jackiewicz <cezary.jackiewicz@xxxxxxxxx>
---
diff -Nuar a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c
--- a/drivers/misc/compal-laptop.c 2008-07-09 21:21:20.000000000 +0200
+++ b/drivers/misc/compal-laptop.c 2008-07-09 21:33:18.000000000 +0200
@@ -24,19 +24,10 @@
*/
/*
- * comapl-laptop.c - Compal laptop support.
+ * compal-laptop.c - Compal laptop support.
*
- * This driver exports a few files in /sys/devices/platform/compal-laptop/:
- *
- * wlan - wlan subsystem state: contains 0 or 1 (rw)
- *
- * bluetooth - Bluetooth subsystem state: contains 0 or 1 (rw)
- *
- * raw - raw value taken from embedded controller register (ro)
- *
- * In addition to these platform device attributes the driver
- * registers itself in the Linux backlight control subsystem and is
- * available to userspace under /sys/class/backlight/compal-laptop/.
+ * This driver registers itself in the Linux backlight control subsystem
+ * and rfkill switch subsystem.
*
* This driver might work on other laptops produced by Compal. If you
* want to try it you can pass force=1 as argument to the module which
@@ -53,7 +44,10 @@
#include <linux/platform_device.h>
#include <linux/autoconf.h>
-#define COMPAL_DRIVER_VERSION "0.2.6"
+#define COMPAL_DRIVER_VERSION "0.3.0"
+#define COMPAL_DRIVER_NAME "compal-laptop"
+#define COMPAL_ERR KERN_ERR COMPAL_DRIVER_NAME ": "
+#define COMPAL_INFO KERN_INFO COMPAL_DRIVER_NAME ": "
#define COMPAL_LCD_LEVEL_MAX 8
@@ -253,7 +247,7 @@
static struct platform_driver compal_driver = {
.driver = {
- .name = "compal-laptop",
+ .name = COMPAL_DRIVER_NAME,
.owner = THIS_MODULE,
}
};
@@ -264,7 +258,7 @@
static int dmi_check_cb(const struct dmi_system_id *id)
{
- printk(KERN_INFO "compal-laptop: Identified laptop model '%s'.\n",
+ printk(COMPAL_INFO "Identified laptop model '%s'.\n",
id->ident);
return 0;
@@ -326,12 +320,13 @@
/* Register backlight stuff */
- compalbl_device = backlight_device_register("compal-laptop", NULL, NULL,
- &compalbl_ops);
+ compalbl_device = backlight_device_register(COMPAL_DRIVER_NAME,
+ NULL, NULL, &compalbl_ops);
if (IS_ERR(compalbl_device))
return PTR_ERR(compalbl_device);
compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1;
+ compalbl_device->props.brightness = get_lcd_level();
ret = platform_driver_register(&compal_driver);
if (ret)
@@ -339,7 +334,7 @@
/* Register platform stuff */
- compal_device = platform_device_alloc("compal-laptop", -1);
+ compal_device = platform_device_alloc(COMPAL_DRIVER_NAME, -1);
if (!compal_device) {
ret = -ENOMEM;
goto fail_platform_driver;
@@ -354,8 +349,8 @@
if (ret)
goto fail_platform_device2;
- printk(KERN_INFO "compal-laptop: driver "COMPAL_DRIVER_VERSION
- " successfully loaded.\n");
+ printk(COMPAL_INFO "driver "COMPAL_DRIVER_VERSION
+ " successfully loaded.\n");
return 0;
@@ -386,7 +381,7 @@
platform_driver_unregister(&compal_driver);
backlight_device_unregister(compalbl_device);
- printk(KERN_INFO "compal-laptop: driver unloaded.\n");
+ printk(COMPAL_INFO "driver unloaded.\n");
}
module_init(compal_init);
--
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