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power: Update to wakelock blocker driver v1.0.1

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- currently active wakelocks on the list are forcefully killed

Signed-off-by: djb77 <dwayne.bakewell@gmail.com>
This commit is contained in:
andip71 2017-08-29 17:02:39 +02:00 committed by prashantpaddune
parent 714848b183
commit e66233ca33
2 changed files with 31 additions and 13 deletions
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9
drivers/base/power/boeffla_wl_blocker.c
View File

@ -1,7 +1,7 @@
/*
* Author: andip71, 28.08.2017
* Author: andip71, 29.08.2017
*
* Version 1.0.0
* Version 1.0.1
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@ -17,6 +17,9 @@
/*
* Change log:
*
* 1.0.1 (29.08.2017)
* - Add killing wakelock when currently active
*
* 1.0.0 (28.08.2017)
* - Initial version
*
@ -30,7 +33,7 @@
#include <linux/printk.h>
#define BOEFFLA_WL_BLOCKER_VERSION "1.0.0"
#define BOEFFLA_WL_BLOCKER_VERSION "1.0.1"
/*****************************************/

35
drivers/base/power/wakeup.c
View File

@ -22,10 +22,12 @@
#ifdef CONFIG_BOEFFLA_WL_BLOCKER
char list_wl[255];
char list_wl_search[257];
char list_wl[255] = {0};
char list_wl_search[257] = {0};
bool wl_blocker_active = false;
bool wl_blocker_debug = false;
static void wakeup_source_deactivate(struct wakeup_source *ws);
#endif
@ -569,7 +571,7 @@ static void wakeup_source_activate(struct wakeup_source *ws)
// AP: Function to check if a wakelock is on the wakelock blocker list
static bool check_for_block(struct wakeup_source *ws)
{
char wakelock_name[52];
char wakelock_name[52] = {0};
// if debug mode on, print every wakelock requested
if (wl_blocker_debug)
@ -579,25 +581,38 @@ static bool check_for_block(struct wakeup_source *ws)
if (!wl_blocker_active)
return false;
// check if wakelock is in wake lock list to be blocked
// only if ws structure is valid
if (ws)
{
// wake lock names which are longer than 50 chars are not handled
if (strlen(ws->name) > 50)
return false;
// check if wakelock is in wake lock list to be blocked
sprintf(wakelock_name, ";%s;", ws->name);
if(strstr(list_wl_search, wakelock_name) == NULL)
return false;
// wake lock is in list, print it if debug mode on
if (wl_blocker_debug)
printk("Boeffla WL blocker: %s blocked\n", ws->name);
// if it is currently active, deactivate it immediately + log in debug mode
if (ws->active)
{
wakeup_source_deactivate(ws);
if (wl_blocker_debug)
printk("Boeffla WL blocker: %s killed\n", ws->name);
}
// finally block it
return true;
}
// wake lock is in list, print it if debug mode on
if (wl_blocker_debug)
printk("Boeffla WL blocker: %s blocked\n", ws->name);
// finally block it
return true;
// there was no valid ws structure, do not block by default
return false;
}
#endif