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authorBharat Nihalani <bnihalani@nvidia.com>2012-02-10 17:06:34 +0530
committerLokesh Pathak <lpathak@nvidia.com>2012-02-22 07:15:51 -0800
commit4b59e70c117ae8001ed865f78b30706390cd9cc4 (patch)
tree200340278ded5c6fecbd8317c21c7c073cabbea6
parent93c4e79a75a6c7e0ce8b0b80c2bbf7f10b504983 (diff)
ARM: tegra: whistler: HDMI audio while screen is blank
continue to play HDMI audio past earlysuspend (when internal screen is powered down). this is accomplished by using FB_BLANK_NORMAL on HDMI display in earlysuspend instead of FB_BLANK_POWERDOWN. Bug 934699 Original change done for other boards by Jon Mayo <jmayo@nvidia.com> Signed-off-by: Bharat Nihalani <bnihalani@nvidia.com> Reviewed-on: http://git-master/r/83104 (cherry picked from commit 00f2c63b39c4b41dc07c0fb3d9b2bfde81e84936) Change-Id: Ia773235a4e5e57d3caa17f78a51df3c2be7e6d9d Reviewed-on: http://git-master/r/84889 Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
-rw-r--r--arch/arm/mach-tegra/board-whistler-panel.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/arm/mach-tegra/board-whistler-panel.c b/arch/arm/mach-tegra/board-whistler-panel.c
index 9bdde43b8925..9516a315c912 100644
--- a/arch/arm/mach-tegra/board-whistler-panel.c
+++ b/arch/arm/mach-tegra/board-whistler-panel.c
@@ -314,9 +314,12 @@ struct early_suspend whistler_panel_early_suspender;
static void whistler_panel_early_suspend(struct early_suspend *h)
{
- unsigned i;
- for (i = 0; i < num_registered_fb; i++)
- fb_blank(registered_fb[i], FB_BLANK_POWERDOWN);
+ /* power down LCD, add use a blank screen for HDMI */
+ if (num_registered_fb > 0)
+ 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();