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Android: Change how detecting call state (introduced in r27746) works, from polling to event based.

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* For some reason, the polling methid is much more inefficient than I thought. According to htop it caused up to 15% CPU load on some phones (e.g. Galaxy S).
The event based causes no CPU load.
Rockbox' idle CPU load is now back to 0%, while it was previously dominated by polling the call state.

* Also stop on outgoing calls (no need to explicitely pause for making a call anymore).
* Factor out the detection mechanism to separate files.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28564 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2010-11-12 21:04:13 +00:00
parent bb56bc4ba0
commit 0cf2cc1607
7 changed files with 174 additions and 56 deletions
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18
firmware/target/hosted/android/kernel-android.c
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@ -52,22 +52,6 @@ Java_org_rockbox_RockboxTimer_timerTask(JNIEnv *env, jobject this)
call_tick_tasks();
}
JNIEXPORT void JNICALL
Java_org_rockbox_RockboxTimer_postCallIncoming(JNIEnv *env, jobject this)
{
(void)env;
(void)this;
queue_broadcast(SYS_CALL_INCOMING, 0);
}
JNIEXPORT void JNICALL
Java_org_rockbox_RockboxTimer_postCallHungUp(JNIEnv *env, jobject this)
{
(void)env;
(void)this;
queue_broadcast(SYS_CALL_HUNG_UP, 0);
}
void tick_start(unsigned int interval_in_ms)
{
JNIEnv e = *env_ptr;
@ -76,7 +60,7 @@ void tick_start(unsigned int interval_in_ms)
jmethodID constructor = e->GetMethodID(env_ptr,
RockboxTimer_class,
"<init>",
"(Lorg/rockbox/RockboxService;J)V");
"(Landroid/content/Context;J)V");
/* the constructor will do the tick_start */
RockboxTimer_instance = e->NewObject(env_ptr,
RockboxTimer_class,