diff options
| author | Bharat Nihalani <bnihalani@nvidia.com> | 2011-05-19 20:09:14 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:52:18 -0800 |
| commit | 8f109b801e1773581f11fd835b78acdda0d9d38f (patch) | |
| tree | a4c52f20adca6a572cd0e891dea48e50b3235554 /arch/arm/mach-tegra/board-whistler-panel.c | |
| parent | b8c91c55020858ef7654fc280e931ad30f574f23 (diff) | |
ARM: tegra: common: dynamic cpufreq governor
To improve the power consumption situation for MP3 playback
the scaling governor is set to conservative when display
is turned off and the default governor is saved. The governor
is restored when display is turned on.
Bug 817727
Original work done by "Wen Yi <wyi@nvidia.com>"
Original-Change-Id: I43ffb0d508cc6d0a80eeeffcbab77526b644c437
Reviewed-on: http://git-master/r/32194
Reviewed-by: Niket Sirsi <nsirsi@nvidia.com>
Tested-by: Niket Sirsi <nsirsi@nvidia.com>
Rebase-Id: R0fe8b1a81147abdcc8bffd83705131221b9d3cb2
Diffstat (limited to 'arch/arm/mach-tegra/board-whistler-panel.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-whistler-panel.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/arm/mach-tegra/board-whistler-panel.c b/arch/arm/mach-tegra/board-whistler-panel.c index 73f29028738d..a5575d4bff57 100644 --- a/arch/arm/mach-tegra/board-whistler-panel.c +++ b/arch/arm/mach-tegra/board-whistler-panel.c @@ -312,7 +312,7 @@ static void whistler_panel_early_suspend(struct early_suspend *h) { if (num_registered_fb > 0) fb_blank(registered_fb[0], FB_BLANK_POWERDOWN); -#ifdef CONFIG_CPU_FREQ +#ifdef CONFIG_TEGRA_CONVSERVATIVE_GOV_ON_EARLYSUPSEND cpufreq_save_default_governor(); cpufreq_set_conservative_governor(); #endif @@ -322,8 +322,7 @@ static void whistler_panel_late_resume(struct early_suspend *h) { if (num_registered_fb > 0) fb_blank(registered_fb[0], FB_BLANK_UNBLANK); - -#ifdef CONFIG_CPU_FREQ +#ifdef CONFIG_TEGRA_CONVSERVATIVE_GOV_ON_EARLYSUPSEND cpufreq_restore_default_governor(); #endif } |