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[1/5] soc-camera: tw9910: Add revision control

Message ID uhbu3kfmn.wl%morimoto.kuninori@renesas.com (mailing list archive)
State RFC
Headers show

Commit Message

Kuninori Morimoto Oct. 13, 2009, 5:49 a.m. UTC
None
diff mbox

Patch

diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c
index df7934d..5152d56 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;
 }
@@ -896,6 +900,8 @@  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));