From 7b236e69bb4403f20fbdef81907d46b4d32d4af8 Mon Sep 17 00:00:00 2001 From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> Date: Thu, 9 Oct 2008 19:17:11 -0700 Subject: [PATCH 068/134] PM: Enable early suspend through /sys/power/state If EARLYSUSPEND is enabled then writes to /sys/power/state no longer blocks, and the kernel will try to enter the requested state every time no wakelocks are held. Write "on" to resume normal operation. --- kernel/power/main.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -408,6 +408,9 @@ static void suspend_finish(void) static const char * const pm_states[PM_SUSPEND_MAX] = { +#ifdef CONFIG_EARLYSUSPEND + [PM_SUSPEND_ON] = "on", +#endif [PM_SUSPEND_STANDBY] = "standby", [PM_SUSPEND_MEM] = "mem", }; @@ -525,7 +528,11 @@ static ssize_t state_store(struct kobjec const char *buf, size_t n) { #ifdef CONFIG_SUSPEND +#ifdef CONFIG_EARLYSUSPEND + suspend_state_t state = PM_SUSPEND_ON; +#else suspend_state_t state = PM_SUSPEND_STANDBY; +#endif const char * const *s; #endif char *p; @@ -547,8 +554,15 @@ static ssize_t state_store(struct kobjec break; } if (state < PM_SUSPEND_MAX && *s) +#ifdef CONFIG_EARLYSUSPEND + if (state == PM_SUSPEND_ON || valid_state(state)) { + error = 0; + request_suspend_state(state); + } +#else error = enter_state(state); #endif +#endif Exit: return error ? error : n;