#include <linux/mutex.h>
#include <linux/stddef.h>
#include <linux/string.h>
+#include <linux/kref.h>
#include "et61x251_sensor.h"
};
static DEFINE_MUTEX(et61x251_sysfs_lock);
-static DECLARE_RWSEM(et61x251_disconnect);
+static DECLARE_RWSEM(et61x251_dev_lock);
struct et61x251_device {
struct video_device* v4ldev;
struct et61x251_sysfs_attr sysfs;
struct et61x251_module_param module_param;
+ struct kref kref;
enum et61x251_dev_state state;
u8 users;
- struct mutex dev_mutex, fileop_mutex;
+ struct completion probe;
+ struct mutex open_mutex, fileop_mutex;
spinlock_t queue_lock;
- wait_queue_head_t open, wait_frame, wait_stream;
+ wait_queue_head_t wait_open, wait_frame, wait_stream;
};
/*****************************************************************************/
struct et61x251_device*
et61x251_match_id(struct et61x251_device* cam, const struct usb_device_id *id)
{
- if (usb_match_id(usb_ifnum_to_if(cam->usbdev, 0), id))
- return cam;
-
- return NULL;
+ return usb_match_id(usb_ifnum_to_if(cam->usbdev, 0), id) ? cam : NULL;
}
void
et61x251_attach_sensor(struct et61x251_device* cam,
- struct et61x251_sensor* sensor)
+ const struct et61x251_sensor* sensor)
{
memcpy(&cam->sensor, sensor, sizeof(struct et61x251_sensor));
}
else if ((level) == 2) \
dev_info(&cam->usbdev->dev, fmt "\n", ## args); \
else if ((level) >= 3) \
- dev_info(&cam->usbdev->dev, "[%s:%d] " fmt "\n", \
- __FUNCTION__, __LINE__ , ## args); \
+ dev_info(&cam->usbdev->dev, "[%s:%s:%d] " fmt "\n", \
+ __FILE__, __func__, __LINE__ , ## args); \
} \
} while (0)
# define KDBG(level, fmt, args...) \
if ((level) == 1 || (level) == 2) \
pr_info("et61x251: " fmt "\n", ## args); \
else if ((level) == 3) \
- pr_debug("et61x251: [%s:%d] " fmt "\n", __FUNCTION__, \
- __LINE__ , ## args); \
+ pr_debug("sn9c102: [%s:%s:%d] " fmt "\n", __FILE__, \
+ __func__, __LINE__ , ## args); \
} \
} while (0)
# define V4LDBG(level, name, cmd) \
#undef PDBG
#define PDBG(fmt, args...) \
-dev_info(&cam->usbdev->dev, "[%s:%d] " fmt "\n", \
- __FUNCTION__, __LINE__ , ## args)
+dev_info(&cam->usbdev->dev, "[%s:%s:%d] " fmt "\n", __FILE__, __func__, \
+ __LINE__ , ## args)
#undef PDBGG
#define PDBGG(fmt, args...) do {;} while(0) /* placeholder */