v4l2_ctrl_type_op_validate(9)

💖 NAME 💖

okay bestie, welcome to the v4l2_ctrl_type_op_validate(9) page in the Kernel API Manual. This is the default validate callback for v4l2_ctrl_type_ops — that’s the whole vibe. 💅

📜 SYNOPSIS 📜

int v4l2_ctrl_type_op_validate (const struct v4l2_ctrl *ctrl , union v4l2_ctrl_ptr ptr );

🎀 ARGUMENTS 🎀

• ctrl — the v4l2_ctrl pointer. like, the control itself, bestie.
• ptr — the v4l2 control value. yes, that’s the value payload. ✨

🦋 RETURN 🦋

0 on success, and a negative error code on failure. no cap. 🫶

🌈 SEE ALSO 🌈

Kernel file: ./include/media/v4l2-ctrls.h — and here’s the whole linked squad, all exact names:

• union v4l2_ctrl_ptr(9)
• v4l2_ctrl_ptr_create(9)
• struct v4l2_ctrl_ops(9)
• struct v4l2_ctrl_type_ops(9)
• v4l2_ctrl_notify_fnc(9)
• struct v4l2_ctrl(9)
• struct v4l2_ctrl_ref(9)
• struct v4l2_ctrl_handler(9)
• struct v4l2_ctrl_config(9)
• v4l2_ctrl_fill(9)
• v4l2_ctrl_handler_init_class(9)
• v4l2_ctrl_handler_init(9)
• v4l2_ctrl_handler_free(9)
• v4l2_ctrl_lock(9)
• v4l2_ctrl_unlock(9)
• __v4l2_ctrl_handler_setup(9)
• v4l2_ctrl_handler_setup(9)
• v4l2_ctrl_handler_log_status(9)
• v4l2_ctrl_new_custom(9)
• v4l2_ctrl_new_std(9)
• v4l2_ctrl_new_std_menu(9)
• v4l2_ctrl_new_std_menu_items(9)
• v4l2_ctrl_new_std_compound(9)
• v4l2_ctrl_new_int_menu(9)
• v4l2_ctrl_filter(9)
• v4l2_ctrl_add_handler(9)
• v4l2_ctrl_radio_filter(9)
• v4l2_ctrl_cluster(9)
• v4l2_ctrl_auto_cluster(9)
• v4l2_ctrl_find(9)
• v4l2_ctrl_activate(9)
• __v4l2_ctrl_grab(9)
• v4l2_ctrl_grab(9)
• __v4l2_ctrl_modify_range(9)
• v4l2_ctrl_modify_range(9)
• __v4l2_ctrl_modify_dimensions(9)
• v4l2_ctrl_modify_dimensions(9)
• v4l2_ctrl_notify(9)
• v4l2_ctrl_get_name(9)
• v4l2_ctrl_get_menu(9)
• v4l2_ctrl_get_int_menu(9)
• v4l2_ctrl_g_ctrl(9)
• __v4l2_ctrl_s_ctrl(9)
• v4l2_ctrl_s_ctrl(9)
• v4l2_ctrl_g_ctrl_int64(9)
• __v4l2_ctrl_s_ctrl_int64(9)
• v4l2_ctrl_s_ctrl_int64(9)
• __v4l2_ctrl_s_ctrl_string(9)
• v4l2_ctrl_s_ctrl_string(9)
• __v4l2_ctrl_s_ctrl_compound(9)
• v4l2_ctrl_s_ctrl_compound(9)
• v4l2_ctrl_replace(9)
• v4l2_ctrl_merge(9)
• v4l2_ctrl_log_status(9)
• v4l2_ctrl_subscribe_event(9)
• v4l2_ctrl_poll(9)
• v4l2_ctrl_request_setup(9)
• v4l2_ctrl_request_complete(9)
• v4l2_ctrl_request_hdl_find(9)
• v4l2_ctrl_request_hdl_put(9)
• v4l2_ctrl_request_hdl_ctrl_find(9)
• v4l2_queryctrl(9)
• v4l2_query_ext_ctrl_to_v4l2_queryctrl(9)
• v4l2_query_ext_ctrl(9)
• v4l2_querymenu(9)
• v4l2_g_ctrl(9)
• v4l2_s_ctrl(9)
• v4l2_g_ext_ctrls(9)
• v4l2_try_ext_ctrls(9)
• v4l2_s_ext_ctrls(9)
• v4l2_ctrl_subdev_subscribe_event(9)
• v4l2_ctrl_subdev_log_status(9)
• v4l2_ctrl_new_fwnode_properties(9)
• v4l2_ctrl_type_op_equal(9)
• v4l2_ctrl_type_op_init(9)
• v4l2_ctrl_type_op_log(9)

mwah 💋 source/version ./include/media, dated October 2026, page v4l2_ctrl_type_op_validate(9) — that’s a wrap, bestie. 🎀