mmc_gpiod_request_ro(9)

💅 NAME 💅

okay bestie, this is mmc_gpiod_request_ro(9), straight out of the Kernel API Manual, and the name is literally request a gpio descriptor for write protection. that's the whole vibe. 💖

✨ SYNOPSIS ✨

int mmc_gpiod_request_ro (struct mmc_host *host , const char *con_id ,
       unsigned int idx , unsigned int debounce );

🎀 ARGUMENTS 🎀

• host — mmc host. this is the main-character host you're working with. 👑
• con_id — function within the GPIO consumer. like the little name tag for which function inside the GPIO consumer is asking. 🏷️
• idx — index of the GPIO to obtain in the consumer. it's the index situation, iykyk. ✨
• debounce — debounce time in microseconds. measured in microseconds, no cap. ⏱️

🦋 DESCRIPTION 🦋

Returns zero on success, else an error. that's it — that's the whole description, bestie. so 0 is giving slay 💅, and anything else is giving error 😭. no extra deets in the original, and we're not inventing any. 🫶

🌈 SEE ALSO 🌈

• Kernel file ./drivers/mmc/core/slot-gpio.c
• mmc_gpiod_request_cd(9)
• mmc_gpiod_set_cd_config(9)

that's the whole page, bestie. source/version situation: ./drivers/mmc/core, dated October 2026. mwah 💋