diff options
Diffstat (limited to 'drivers/usb/media/sn9c102.h')
| -rw-r--r-- | drivers/usb/media/sn9c102.h | 28 |
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 */ |