diff options
| author | Puneet Saxena <puneets@nvidia.com> | 2012-04-17 18:49:17 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-05-21 18:39:37 -0700 |
| commit | c74b325a3d7b8c5c31fdfedbb5c55a75e35802a4 (patch) | |
| tree | f7162c991a53e74715f7ddf89bb68b6bf758e046 /arch/arm/mach-tegra/board-enterprise-panel.c | |
| parent | f7d41977ecee52adc352e50ba55fa864a2782edf (diff) | |
arm: tegra: governor: change governor using cpufreq interface
Older code sets "conservative" governor in early-suspend
using sysfs entries.This implementation changes governor
in early-suspend using cpufreq interfaces.
bug 871958
Change-Id: I721afb6184982a063dc5f330da31f8fb88481cfd
Signed-off-by: Puneet Saxena <puneets@nvidia.com>
Reviewed-on: http://git-master/r/100849
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/board-enterprise-panel.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-enterprise-panel.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/arch/arm/mach-tegra/board-enterprise-panel.c b/arch/arm/mach-tegra/board-enterprise-panel.c index b5e3dde04cf0..5b3dacea135f 100644 --- a/arch/arm/mach-tegra/board-enterprise-panel.c +++ b/arch/arm/mach-tegra/board-enterprise-panel.c @@ -816,17 +816,12 @@ static void enterprise_panel_early_suspend(struct early_suspend *h) fb_blank(registered_fb[0], FB_BLANK_POWERDOWN); if (num_registered_fb > 1) fb_blank(registered_fb[1], FB_BLANK_NORMAL); -#ifdef CONFIG_TEGRA_CONVSERVATIVE_GOV_ON_EARLYSUPSEND - cpufreq_save_default_governor(); - cpufreq_set_conservative_governor(); - cpufreq_set_conservative_governor_param("up_threshold", - SET_CONSERVATIVE_GOVERNOR_UP_THRESHOLD); - - cpufreq_set_conservative_governor_param("down_threshold", - SET_CONSERVATIVE_GOVERNOR_DOWN_THRESHOLD); - cpufreq_set_conservative_governor_param("freq_step", - SET_CONSERVATIVE_GOVERNOR_FREQ_STEP); +#ifdef CONFIG_TEGRA_CONVSERVATIVE_GOV_ON_EARLYSUPSEND + cpufreq_store_default_gov(); + if (cpufreq_change_gov(cpufreq_conservative_gov)) + pr_err("Early_suspend: Error changing governor to %s\n", + cpufreq_conservative_gov); #endif } @@ -835,7 +830,8 @@ static void enterprise_panel_late_resume(struct early_suspend *h) unsigned i; #ifdef CONFIG_TEGRA_CONVSERVATIVE_GOV_ON_EARLYSUPSEND - cpufreq_restore_default_governor(); + if (cpufreq_restore_default_gov()) + pr_err("Early_suspend: Unable to restore governor\n"); #endif for (i = 0; i < num_registered_fb; i++) fb_blank(registered_fb[i], FB_BLANK_UNBLANK); |