android/android_kernel_cmhtcleo
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htcleo: some bugfixes and cleanups on backlight manager driver

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Danijel Posilović 2011-01-07 22:09:35 +01:00 committed by tytung
parent 86ad764392
commit 2d292eb9bb
1 changed files with 13 additions and 14 deletions
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27
arch/arm/mach-msm/board-htcleo-btn_backlight-manager.c
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@ -19,21 +19,21 @@
#include <linux/keyboard.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/workqueue.h>
#include <linux/delay.h>
#include <linux/timer.h>
static int BUTTON_BACKLIGHT_GPIO = 48;
static int OFF_SEC = 10;
static int auto_off_enabled = 1;
static struct delayed_off
{
struct delayed_work work;
} btn_off_work;
struct timer_list btn_off_timer;
static DEFINE_MUTEX(htcleo_btn_manager_lock);
////////////////////////////////////////////////////
// off_sec sysfs
static ssize_t htcleo_manager_offsec_get(struct device *dev,struct device_attribute *attr, char *buf)
{
@ -98,8 +98,9 @@ static ssize_t htcleo_manager_auto_off_set(struct device *dev,struct device_attr
static DEVICE_ATTR(auto_off, 0666, htcleo_manager_auto_off_get, htcleo_manager_auto_off_set);
static void btn_delayed_off_function(struct work_struct *work){
static void btn_delayed_off_function(unsigned long function_parameter){
gpio_set_value(BUTTON_BACKLIGHT_GPIO, 0);
del_timer(&btn_off_timer);
}
int buttons_notify(struct notifier_block *nblock, unsigned long code, void *_param) {
@ -108,26 +109,25 @@ int buttons_notify(struct notifier_block *nblock, unsigned long code, void *_par
if (code == KBD_KEYCODE) {
mutex_lock(&htcleo_btn_manager_lock);
keycode = param->value;
//printk(KERN_DEBUG "BTN-BCKM: KEYLOGGER %i %s\n", param->value, (param->down ? "down" : "up"));
// Turn backlight on only if pressed = Dial, home, winkey, back, end button
if (keycode==231 || keycode==102 || keycode==139 || keycode==158 || keycode==107){
if (keycode==231 || keycode==102 || keycode==139 || keycode==158 || keycode==107 ){
gpio_set_value(BUTTON_BACKLIGHT_GPIO, 1);
// If auto off enabled then buttons will turn off after declared amount of time, else screen backlight will turn them off
if (auto_off_enabled){
cancel_delayed_work_sync(&btn_off_work.work);
schedule_delayed_work(&btn_off_work.work, msecs_to_jiffies(OFF_SEC*1000));
del_timer(&btn_off_timer);
init_timer(&btn_off_timer);
btn_off_timer.expires = jiffies + OFF_SEC*HZ;
btn_off_timer.function = btn_delayed_off_function;
add_timer(&btn_off_timer);
}
}
mutex_unlock(&htcleo_btn_manager_lock);
};
return 0;
@ -146,7 +146,6 @@ static int htcleo_btn_backlight_manager_probe(struct platform_device *pdev)
register_keyboard_notifier(&nb);
rc = device_create_file(&pdev->dev, &dev_attr_off_seconds);
rc = device_create_file(&pdev->dev, &dev_attr_auto_off);
INIT_DELAYED_WORK(&btn_off_work.work, btn_delayed_off_function);
return 0;
}