media: video: tegra: delay after ov5693 power on

Add proper delay after power on front ov5693
sensor. This will ensure power is stable
before we start accessing i2c registers.

Bug 1484675

Change-Id: Ic90f8a6689e75347d015ec84edaf26e52fcecb1e
Signed-off-by: Frank Chen <frankc@nvidia.com>
Reviewed-on: http://git-master/r/394910
Reviewed-by: Hu He <hhe@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Philip Breczinski <pbreczinski@nvidia.com>
Reviewed-by: David Schalig <dschalig@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>

diff --git a/arch/arm/mach-tegra/board-ardbeg-sensors.c b/arch/arm/mach-tegra/board-ardbeg-sensors.c
index fa14f0b91102b9ac9bf7a295e37c445e482303f7..59a71c5556b3b26186bca6f4b819eba2f813b59c 100644 (file)
--- a/arch/arm/mach-tegra/board-ardbeg-sensors.c
+++ b/arch/arm/mach-tegra/board-ardbeg-sensors.c
@@ -957,7 +957,7 @@ static int ardbeg_ov5693_front_power_on(struct ov5693_power_rail *pw)
        if (unlikely(err))
                goto ov5693_front_vcmvdd_fail;
 
-       usleep_range(300, 310);
+       usleep_range(1000, 1110);
 
        return 0;