diff options
Diffstat (limited to 'include/media/v4l2-ioctl.h')
| -rw-r--r-- | include/media/v4l2-ioctl.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index 685b1b62a05..e319d1fffb8 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -20,6 +20,27 @@ #include <linux/videodev2.h> #endif +/* v4l debugging and diagnostics */ + +/* Debug bitmask flags to be used on V4L2 */ +#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 int v4l2_video_std_construct(struct v4l2_standard *vs, |