diff options
| author | Bharat Nihalani <bnihalani@nvidia.com> | 2011-05-19 20:09:14 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:52:14 -0800 |
| commit | b043509d1ebce110d8fe61dfc079fd542d6a24dc (patch) | |
| tree | a128368734a9b8521d3de7d2ea82e27922e3c3b1 /arch/arm/mach-tegra/board-enterprise-panel.c | |
| parent | 637ed9d9185102b8ef59d04ea60a0bc27c7d4109 (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>"
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: R5a54dadccfe2b13ede364edd1fdf6b3a70fb52a8
Diffstat (limited to 'arch/arm/mach-tegra/board-enterprise-panel.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-enterprise-panel.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-enterprise-panel.c b/arch/arm/mach-tegra/board-enterprise-panel.c index 288b4fa106c1..ad69429c965c 100644 --- a/arch/arm/mach-tegra/board-enterprise-panel.c +++ b/arch/arm/mach-tegra/board-enterprise-panel.c @@ -713,12 +713,19 @@ static void enterprise_panel_early_suspend(struct early_suspend *h) { if (num_registered_fb > 0) fb_blank(registered_fb[0], FB_BLANK_POWERDOWN); +#ifdef CONFIG_TEGRA_CONVSERVATIVE_GOV_ON_EARLYSUPSEND + cpufreq_save_default_governor(); + cpufreq_set_conservative_governor(); +#endif } static void enterprise_panel_late_resume(struct early_suspend *h) { if (num_registered_fb > 0) fb_blank(registered_fb[0], FB_BLANK_UNBLANK); +#ifdef CONFIG_TEGRA_CONVSERVATIVE_GOV_ON_EARLYSUPSEND + cpufreq_restore_default_governor(); +#endif } #endif |