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authorKuninori Morimoto <morimoto.kuninori@renesas.com>2009-12-11 17:34:50 +0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-12-16 14:27:21 +0300
commit6d74e5f361bdacfdcfe14220868d562368aaadc2 (patch)
tree0a55c5587b29aaf0c8aa7853f8982153d5b7ab93 /drivers/media/video/tw9910.c
parent35b23b522696118b5ec5b84ba6846ee96aa2743e (diff)
downloadlinux-6d74e5f361bdacfdcfe14220868d562368aaadc2.tar.xz
V4L/DVB (13652): tw9910: Add revision control
Also fix a badly chosen macro name. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/tw9910.c')
-rw-r--r--drivers/media/video/tw9910.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c
index 35373d8bf6a0..e3a4942e0f37 100644
--- a/drivers/media/video/tw9910.c
+++ b/drivers/media/video/tw9910.c
@@ -29,7 +29,7 @@
#include <media/tw9910.h>
#define GET_ID(val) ((val & 0xF8) >> 3)
-#define GET_ReV(val) (val & 0x07)
+#define GET_REV(val) (val & 0x07)
/*
* register offset
@@ -225,6 +225,7 @@ struct tw9910_priv {
struct v4l2_subdev subdev;
struct tw9910_video_info *info;
const struct tw9910_scale_ctrl *scale;
+ u32 revision;
};
/*
@@ -575,8 +576,11 @@ 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->revision;
return 0;
}
@@ -886,16 +890,18 @@ static int tw9910_video_probe(struct soc_camera_device *icd,
* So far only revisions 0 and 1 have been seen
*/
val = i2c_smbus_read_byte_data(client, ID);
+ priv->revision = GET_REV(val);
if (0x0B != GET_ID(val) ||
- 0x01 < GET_ReV(val)) {
+ 0x01 < priv->revision) {
dev_err(&client->dev,
- "Product ID error %x:%x\n", GET_ID(val), GET_ReV(val));
+ "Product ID error %x:%x\n",
+ GET_ID(val), priv->revision);
return -ENODEV;
}
dev_info(&client->dev,
- "tw9910 Product ID %0x:%0x\n", GET_ID(val), GET_ReV(val));
+ "tw9910 Product ID %0x:%0x\n", GET_ID(val), priv->revision);
icd->vdev->tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL;
icd->vdev->current_norm = V4L2_STD_NTSC;