From: Chien-Yu Chen <chichen@nvidia.com>
Date: Fri, 3 Dec 2010 03:34:36 +0000 (-0800)
Subject: media: video: tegra: ov5650: adding group hold
X-Git-Tag: firefly_0821_release~9834^2~271
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=79b6dbe9a8b2f05c6fc1d315f150eba05f2a3171;p=firefly-linux-kernel-4.4.55.git

media: video: tegra: ov5650: adding group hold

Adding group hold registers when setting the frame length to
make sure all frame length settings are applied at the same
time.

Change-Id: I52b30bce90c049490b59f3e48d9925523b18b10c
---

diff --git a/drivers/media/video/tegra/ov5650.c b/drivers/media/video/tegra/ov5650.c
index 96957448447a..fb38471c5487 100755
--- a/drivers/media/video/tegra/ov5650.c
+++ b/drivers/media/video/tegra/ov5650.c
@@ -504,6 +504,10 @@ static int ov5650_set_frame_length(struct ov5650_info *info, u32 frame_length)
 
 	ov5650_get_frame_length_regs(reg_list, frame_length);
 
+	ret = ov5650_write_reg(info->i2c_client, 0x3212, 0x01);
+	if (ret)
+		return ret;
+
 	for (i = 0; i < 2; i++)	{
 		ret = ov5650_write_reg(info->i2c_client, reg_list[i].addr,
 			reg_list[i].val);
@@ -511,6 +515,14 @@ static int ov5650_set_frame_length(struct ov5650_info *info, u32 frame_length)
 			return ret;
 	}
 
+	ret = ov5650_write_reg(info->i2c_client, 0x3212, 0x11);
+	if (ret)
+		return ret;
+
+	ret = ov5650_write_reg(info->i2c_client, 0x3212, 0xa1);
+	if (ret)
+		return ret;
+
 	return 0;
 }