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path: root/linux/drivers/media/video/cx25840/cx25840-core.c
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Diffstat (limited to 'linux/drivers/media/video/cx25840/cx25840-core.c')
-rw-r--r--linux/drivers/media/video/cx25840/cx25840-core.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/linux/drivers/media/video/cx25840/cx25840-core.c b/linux/drivers/media/video/cx25840/cx25840-core.c
index fc1e7da7c..d5a0789bc 100644
--- a/linux/drivers/media/video/cx25840/cx25840-core.c
+++ b/linux/drivers/media/video/cx25840/cx25840-core.c
@@ -28,7 +28,6 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
-#include "compat.h"
#include <linux/kernel.h>
#include <linux/module.h>
@@ -36,7 +35,9 @@
#include <linux/videodev2.h>
#include <linux/i2c.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
#include <media/cx25840.h>
+#include "compat.h"
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
#include "i2c-compat.h"
#endif
@@ -644,7 +645,7 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
{
struct v4l2_register *reg = arg;
- if (reg->i2c_id != I2C_DRIVERID_CX25840)
+ if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -838,9 +839,16 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
cx25840_initialize(client, 0);
break;
- case VIDIOC_INT_G_CHIP_IDENT:
- *(enum v4l2_chip_ident *)arg = state->id;
+ case VIDIOC_G_CHIP_IDENT:
+ {
+ struct v4l2_chip_ident *chip = arg;
+
+ if (!v4l2_chip_match_i2c_client(client, chip->match_type, chip->match_chip))
+ return -EINVAL;
+ chip->ident = state->id;
+ chip->revision = state->rev;
break;
+ }
default:
return -EINVAL;
@@ -861,7 +869,7 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
{
struct i2c_client *client;
struct cx25840_state *state;
- enum v4l2_chip_ident id;
+ u32 id;
u16 device_id;
/* Check if the adapter supports the needed features
@@ -923,6 +931,7 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
state->audmode = V4L2_TUNER_MODE_LANG1;
state->vbi_line_offset = 8;
state->id = id;
+ state->rev = device_id;
i2c_attach_client(client);