tb_lc_dp_sink_query(9)

💖 tb_lc_dp_sink_query(9) 💖

okay bestie, welcome to the Kernel API Manual page for tb_lc_dp_sink_query — it’s giving “tiny function, very specific job,” and honestly? iconic. It checks whether a DP sink is available for a DP IN port. no cap ✨

🌸 NAME 🌸

tb_lc_dp_sink_query — Is DP sink available for DP IN port 💅

✨ SYNOPSIS ✨

bool tb_lc_dp_sink_query (struct tb_switch *sw , struct tb_port *in );

🎀 ARGUMENTS 🎀

• sw — the switch whose DP sink is queried 🫶
• in — the DP IN port to check 🔍

🦋 DESCRIPTION 🦋

so here’s the whole vibe: it queries through the LC SNK_ALLOCATION registers to see whether a DP sink is available for the given DP IN port — or not. literally that’s the mission, bestie 💖

🌈 RETURN 🌈

It returns true if a DP sink is available, and false otherwise. that’s the whole return section, periodt 🌈

🔥 SEE ALSO 🔥

• Kernel file: ./drivers/thunderbolt/lc.c
• tb_lc_read_uuid(9)
• tb_lc_reset_port(9)
• tb_lc_configure_port(9)
• tb_lc_unconfigure_port(9)
• tb_lc_configure_xdomain(9)
• tb_lc_unconfigure_xdomain(9)
• tb_lc_start_lane_initialization(9)
• tb_lc_is_clx_supported(9)
• tb_lc_is_usb_plugged(9)
• tb_lc_is_xhci_connected(9)
• tb_lc_xhci_connect(9)
• tb_lc_xhci_disconnect(9)
• tb_lc_set_wake(9)
• tb_lc_set_sleep(9)
• tb_lc_lane_bonding_possible(9)
• tb_lc_dp_sink_alloc(9)
• tb_lc_dp_sink_dealloc(9)
• tb_lc_force_power(9)

okay that’s the whole page, bestie — source/version: ./drivers/thunderbolt, dated October 2026. bye, love u, stay hydrated 💋✨