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author | Felix Fietkau <nbd@openwrt.org> | 2009-06-14 20:42:33 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2009-06-14 20:42:33 +0000 |
commit | f88360279f91387dc61725226ad38c3c95d3790a (patch) | |
tree | 66d21f3483914eb7e674c45f3497ab8912094ac0 /target/linux/goldfish/patches-2.6.30/0068-PM-Enable-early-suspend-through-sys-power-state.patch | |
parent | a6d8f8be9e06c5ffb03f815c8c76ba743c64aa3d (diff) | |
download | mtk-20170518-f88360279f91387dc61725226ad38c3c95d3790a.zip mtk-20170518-f88360279f91387dc61725226ad38c3c95d3790a.tar.gz mtk-20170518-f88360279f91387dc61725226ad38c3c95d3790a.tar.bz2 |
add the 'goldfish' target, useful for experimenting with virtual phone hardware (includes the emulator)
SVN-Revision: 16459
Diffstat (limited to 'target/linux/goldfish/patches-2.6.30/0068-PM-Enable-early-suspend-through-sys-power-state.patch')
-rw-r--r-- | target/linux/goldfish/patches-2.6.30/0068-PM-Enable-early-suspend-through-sys-power-state.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/goldfish/patches-2.6.30/0068-PM-Enable-early-suspend-through-sys-power-state.patch b/target/linux/goldfish/patches-2.6.30/0068-PM-Enable-early-suspend-through-sys-power-state.patch new file mode 100644 index 0000000..84a95db --- /dev/null +++ b/target/linux/goldfish/patches-2.6.30/0068-PM-Enable-early-suspend-through-sys-power-state.patch @@ -0,0 +1,52 @@ +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; |