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[PATCH 1/4] soc-camera: tw9910: Add revision control




Signed-off-by: Kuninori Morimoto <morimoto.kuninori@xxxxxxxxxxx>
---
 drivers/media/video/tw9910.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c
index 09ea042..a0b5bbe 100644
--- a/drivers/media/video/tw9910.c
+++ b/drivers/media/video/tw9910.c
@@ -225,6 +225,7 @@ struct tw9910_priv {
 	struct v4l2_subdev                subdev;
 	struct tw9910_video_info       *info;
 	const struct tw9910_scale_ctrl *scale;
+	int rev;
 };
 
 /*
@@ -570,8 +571,11 @@ static int tw9910_enum_input(struct soc_camera_device *icd,
 static int tw9910_g_chip_ident(struct v4l2_subdev *sd,
 			       struct v4l2_dbg_chip_ident *id)
 {
+	struct i2c_client *client = sd->priv;
+	struct tw9910_priv *priv = to_tw9910(client);
+
 	id->ident = V4L2_IDENT_TW9910;
-	id->revision = 0;
+	id->revision = priv->rev;
 
 	return 0;
 }
@@ -886,6 +890,8 @@ static int tw9910_video_probe(struct soc_camera_device *icd,
 		return -ENODEV;
 	}
 
+	priv->rev = GET_ReV(val);
+
 	dev_info(&client->dev,
 		 "tw9910 Product ID %0x:%0x\n", GET_ID(val), GET_ReV(val));
 
-- 
1.6.0.4

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