X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fmedia%2Fv4l2-ioctl.h;h=19e93523c2d82ed5e7f3883149c8875591d87694;hb=6df419e45d71b8d9a0de8e92a1212bbea460f0e0;hp=d8b76f7392f8d793c6abdf0a2a1a46b53fa115bc;hpb=23910c50cced8f35d53e4f8ea0cc09ad58d286af;p=firefly-linux-kernel-4.4.55.git diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index d8b76f7392f8..19e93523c2d8 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -295,28 +295,19 @@ struct v4l2_ioctl_ops { #define V4L2_DEBUG_IOCTL 0x01 #define V4L2_DEBUG_IOCTL_ARG 0x02 -/* Use this macro for non-I2C drivers. Pass the driver name as the first arg. */ -#define v4l_print_ioctl(name, cmd) \ - do { \ - printk(KERN_DEBUG "%s: ", name); \ - v4l_printk_ioctl(cmd); \ - } while (0) - -/* Use this macro in I2C drivers where 'client' is the struct i2c_client - pointer */ -#define v4l_i2c_print_ioctl(client, cmd) \ - do { \ - v4l_client_printk(KERN_DEBUG, client, ""); \ - v4l_printk_ioctl(cmd); \ - } while (0) - /* Video standard functions */ extern const char *v4l2_norm_to_name(v4l2_std_id id); extern void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod); extern int v4l2_video_std_construct(struct v4l2_standard *vs, int id, const char *name); -/* Prints the ioctl in a human-readable format */ -extern void v4l_printk_ioctl(unsigned int cmd); +/* Prints the ioctl in a human-readable format. If prefix != NULL, + then do printk(KERN_DEBUG "%s: ", prefix) first. */ +extern void v4l_printk_ioctl(const char *prefix, unsigned int cmd); + +/* Internal use only: get the mutex (if any) that we need to lock for the + given command. */ +struct video_device; +extern struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev, unsigned cmd); /* names for fancy debug output */ extern const char *v4l2_field_names[];