drivers: tegra: ad5816: power sequence update

add a 1mS delay after power is on to avoid i2c error in set arc mode.

bug 1174413

Change-Id: I481dbc4f8ec57f029985bbf34c0fec8db1921117
Signed-off-by: Charlie Huang <chahuang@nvidia.com>
Reviewed-on: http://git-master/r/164185
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Philip Breczinski <pbreczinski@nvidia.com>
Reviewed-by: Frank Chen <frankc@nvidia.com>
Reviewed-by: Thomas Cherry <tcherry@nvidia.com>

diff --git a/drivers/media/video/tegra/ad5816.c b/drivers/media/video/tegra/ad5816.c
index 090a7dc7e52431df55e64aa746367c104075daa5..24fccba0ab65d08657c89e6ef2aaebaf36392c34 100644 (file)
--- a/drivers/media/video/tegra/ad5816.c
+++ b/drivers/media/video/tegra/ad5816.c
@@ -294,6 +294,7 @@ static int ad5816_pm_wr(struct ad5816_info *info, int pwr)
        case NVC_PWR_ON:
                if (info->pdata && info->pdata->power_on)
                        info->pdata->power_on(&info->power);
+               usleep_range(1000, 1020);
                ad5816_set_arc_mode(info);
                break;
        default: