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path: root/drivers/usb/media/sn9c102.h
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Diffstat (limited to 'drivers/usb/media/sn9c102.h')
-rw-r--r--drivers/usb/media/sn9c102.h28
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/usb/media/sn9c102.h b/drivers/usb/media/sn9c102.h
index 17d60c1eea7e..1d70a62b9f23 100644
--- a/drivers/usb/media/sn9c102.h
+++ b/drivers/usb/media/sn9c102.h
@@ -33,7 +33,9 @@
#include <linux/types.h>
#include <linux/param.h>
#include <linux/rwsem.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+#include <linux/string.h>
+#include <linux/stddef.h>
#include "sn9c102_sensor.h"
@@ -50,6 +52,7 @@
#define SN9C102_ALTERNATE_SETTING 8
#define SN9C102_URB_TIMEOUT msecs_to_jiffies(2 * SN9C102_ISO_PACKETS)
#define SN9C102_CTRL_TIMEOUT 300
+#define SN9C102_FRAME_TIMEOUT 2
/*****************************************************************************/
@@ -107,16 +110,17 @@ struct sn9c102_sysfs_attr {
struct sn9c102_module_param {
u8 force_munmap;
+ u16 frame_timeout;
};
-static DECLARE_MUTEX(sn9c102_sysfs_lock);
+static DEFINE_MUTEX(sn9c102_sysfs_lock);
static DECLARE_RWSEM(sn9c102_disconnect);
struct sn9c102_device {
struct video_device* v4ldev;
enum sn9c102_bridge bridge;
- struct sn9c102_sensor* sensor;
+ struct sn9c102_sensor sensor;
struct usb_device* usbdev;
struct urb* urb[SN9C102_URBS];
@@ -141,19 +145,28 @@ struct sn9c102_device {
enum sn9c102_dev_state state;
u8 users;
- struct semaphore dev_sem, fileop_sem;
+ struct mutex dev_mutex, fileop_mutex;
spinlock_t queue_lock;
wait_queue_head_t open, wait_frame, wait_stream;
};
/*****************************************************************************/
+struct sn9c102_device*
+sn9c102_match_id(struct sn9c102_device* cam, const struct usb_device_id *id)
+{
+ if (usb_match_id(usb_ifnum_to_if(cam->usbdev, 0), id))
+ return cam;
+
+ return NULL;
+}
+
+
void
sn9c102_attach_sensor(struct sn9c102_device* cam,
struct sn9c102_sensor* sensor)
{
- cam->sensor = sensor;
- cam->sensor->usbdev = cam->usbdev;
+ memcpy(&cam->sensor, sensor, sizeof(struct sn9c102_sensor));
}
/*****************************************************************************/
@@ -196,7 +209,8 @@ do { \
#undef PDBG
#define PDBG(fmt, args...) \
-dev_info(&cam->dev, "[%s:%d] " fmt "\n", __FUNCTION__, __LINE__ , ## args)
+dev_info(&cam->usbdev->dev, "[%s:%d] " fmt "\n", \
+ __FUNCTION__, __LINE__ , ## args)
#undef PDBGG
#define PDBGG(fmt, args...) do {;} while(0) /* placeholder */
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