({ \
struct v4l2_subdev *__sd; \
__v4l2_device_call_subdevs_until_err_p(v4l2_dev, __sd, cond, o, \
- f, args...); \
+ f , ##args); \
})
/* Call the specified callback for all subdevs matching grp_id (if 0, then
##args); \
})
+#define v4l2_device_has_op(v4l2_dev, o, f) \
+({ \
+ struct v4l2_subdev *__sd; \
+ bool __result = false; \
+ list_for_each_entry(__sd, &(v4l2_dev)->subdevs, list) { \
+ if (v4l2_subdev_has_op(__sd, o, f)) { \
+ __result = true; \
+ break; \
+ } \
+ } \
+ __result; \
+})
+
#endif