check_family_data(9)

✨ check_family_data(9) ✨

okay so bestie, welcome to the check_family_data page — it's a kernel API manual entry, and honestly? it's giving "tiny but crucial" 💅

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🎀 NAME 🎀

check_family_data — the little vibe-check that tells you whether the family data (and the specific functions that go with it) are actually there 🦋

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🌸 SYNOPSIS 🌸

int check_family_data (struct w1_slave *sl );

literally that's the whole signature, and yes, sl goes in there 🫶

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💖 ARGUMENTS 💖

• sl — the W1 device data, aka the main character of this function's story 👑

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⭐ RETURN ⭐

• 0 — OK, we slay, everything's fine ✅
• negative value — error 😭, something's not giving

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🔥 SEE ALSO 🔥

okay this list is long and we're gonna get through all of it, no skipping, periodt 💅

• Kernel file ./drivers/w1/slaves/w1_therm.c
• struct w1_therm_family_converter(9)
• struct w1_therm_family_data(9)
• struct therm_info(9)
• reset_select_slave(9)
• convert_t(9)
• read_scratchpad(9)
• write_scratchpad(9)
• copy_scratchpad(9)
• recall_eeprom(9)
• read_powermode(9)
• trigger_bulk_read(9)
• w1_therm_add_slave(9)
• w1_therm_remove_slave(9)
• w1_DS18B20_convert_temp(9)
• w1_DS18S20_convert_temp(9)
• w1_DS1825_convert_temp(9)
• device_family(9)
• bus_mutex_lock(9)
• bulk_read_support(9)
• conversion_time(9)
• temperature_from_RAM(9)
• int_to_short(9)
• w1_poll_completion(9)

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💀 reminder: the errors are real, bestie — a negative return means something went wrong, so actually check it, don't just vibe past it 🙈

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and that's the page!! this one lives over in ./drivers/w1/slaves 🌈, from the October 2026 edition of the Kernel API Manual — go off, read the kernel source, ily, bye 🧚💜