STRUCT EC_PARAMS_HELLO(9)

✨ struct ec_params_hello(9) — Kernel API Manual ✨

okay so bestie, welcome to the little baby struct that starts every conversation with the EC 💖 this page lives in the Kernel API Manual, and it's genuinely the shortest glow-up on the block — one struct, one member, no cap.

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🌸 NAME 🌸

struct ec_params_hello — Parameters to the hello command.

yep, that's it. it's giving "first day of school, only brought a pencil" energy 🎀 but honestly? iconic.

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🦋 SYNOPSIS 🦋

struct ec_params_hello {
    uint32_t in_data;
 };

look at her. one field. flawless. no notes 💅

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👑 Members 👑

• in_data — Pass anything here. fr fr, anything. it's the "you up?" of kernel structs, no expectations, no rules, just vibes ✨

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🧚 SEE ALSO 🧚

okay this is where it gets unhinged — the whole extended friend group is gonna roll up 😭 the kernel file ./include/linux/platform_data/cros_ec_commands.h is the group chat, and everybody in it is tagged:

• struct ec_lpc_host_args(9)
• struct ec_host_request(9)
• struct ec_host_response(9)
• struct ec_response_proto_version(9)
• struct ec_response_hello(9)
• struct ec_response_get_version(9)
• struct ec_params_read_test(9)
• struct ec_response_read_test(9)
• struct ec_response_get_chip_info(9)
• struct ec_response_board_version(9)
• struct ec_params_read_memmap(9)
• struct ec_params_get_cmd_versions(9)
• struct ec_params_get_cmd_versions_v1(9)
• struct ec_response_get_cmd_versions(9)
• struct ec_response_get_comms_status(9)
• struct ec_response_get_protocol_info(9)
• struct ec_response_flash_info(9)
• struct ec_response_flash_info_1(9)
• struct ec_params_flash_read(9)
• struct ec_params_flash_write(9)
• struct ec_params_flash_erase(9)
• struct ec_params_flash_erase_v1(9)
• struct ec_params_flash_protect(9)
• struct ec_response_flash_protect(9)
• struct ec_params_flash_region_info(9)
• struct ec_params_flash_select(9)
• struct ec_params_cec_write(9)
• struct ec_params_cec_write_v1(9)
• struct ec_params_cec_read(9)
• struct ec_response_cec_read(9)
• struct ec_params_cec_set(9)
• struct ec_params_cec_get(9)
• struct ec_response_cec_get(9)
• struct ec_response_cec_port_count(9)
• struct ec_params_battery_static_info(9)
• struct ec_response_battery_static_info(9)
• struct ec_params_battery_dynamic_info(9)
• struct ec_response_battery_dynamic_info(9)
• struct ec_params_charger_control(9)

like, forty structs. FORTY. she brought the whole squad to the function 😭🫶 go read them, iykyk.

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mwah 💜 that's the whole page, bestie — brought to you from ./include/linux/platform_data, stamped October 2026, and signed off with love 🎀✨