get_bm_events_by_type(9)

💖 get_bm_events_by_type(9) 💖

okay so bestie, we’re in the Kernel API Manual and this page is literally all about get_bm_events_by_type. no cap, that’s the whole main-character function. ✨

🎀 NAME 🎀

get_bm_events_by_type — returns bitmap of supported events per @type. 💅

🦋 SYNOPSIS 🦋

const unsigned long * get_bm_events_by_type (struct input_dev *dev , int type );

💅 ARGUMENTS 💅

• dev — input device from which bitmap is retrieved. 🫶
• type — type of button (EV_KEY, EV_SW). 👑

🌸 DESCRIPTION 🌸

The return value of this function can be used to allocate a bitmap large enough to hold all bits for the given type. 🎀 That’s the whole vibe: grab the bitmap sitch, size your allocation correctly, slay. ✨

🔥 SEE ALSO 🔥

• Kernel file ./drivers/input/keyboard/gpio_keys.c — yes, the actual kernel file, keep it iconic. 🦋
• get_n_events_by_type(9)
• gpio_keys_disable_button(9)
• gpio_keys_enable_button(9)
• gpio_keys_attr_show_helper(9)
• gpio_keys_attr_store_helper(9)

lowkey important: these are the SEE ALSO references, so don’t lose them in the group chat. 💜

xoxo, your kernel bestie 💖 — source/version: ./drivers/input/keyboard, dated October 2026. periodt. 🎀