vpif_calculate_offsets(9)

💅 vpif_calculate_offsets — the Kernel API Manual, bestie edition ✨

okay so real talk, this page lives in the Kernel API Manual (yes, the (9) section, we're doing kernel-doc today 🎀), and the star of the show is vpif_calculate_offsets. she's a function. she calculates buffer offsets. that's her whole thing and honestly? iconic.

---

🌸 NAME 🌸

vpif_calculate_offsets — this function calculates buffers offsets 💖

like, literally that's the job description. no notes.

---

✨ SYNOPSIS ✨

void vpif_calculate_offsets (struct channel_obj *ch );

that's it. that's the whole call. she takes one (1) pointer and returns absolutely nothing back to you (void, queen of giving nothing and still serving 💅).

---

🫶 ARGUMENTS 🫶

• ch — ptr to channel object 🌈

that's the vibe check right there: hand her a pointer to the channel object and she's good.

---

💀 DESCRIPTION 💀

not me reading this and actually getting it for once 😭

this function calculates buffer offsets for Y and C, in the top and bottom field.

that's the tea. Y and C, top and bottom field, offsets calculated, done. no cap, no extra behaviour, no hidden lore — that is genuinely everything this page tells us about her 🍓

---

🔥 SEE ALSO 🔥

🧚 the source file itself

Kernel file ./drivers/media/platform/ti/davinci/vpif_capture.c

👑 her whole friend group (yes, all of them, i'm not skipping a single one)

• vpif_buffer_prepare(9)
• vpif_buffer_queue_setup(9)
• vpif_buffer_queue(9)
• vpif_start_streaming(9)
• vpif_stop_streaming(9)
• vpif_process_buffer_complete(9)
• vpif_schedule_next_buffer(9)
• vpif_channel_isr(9)
• vpif_update_std_info(9)
• vpif_config_addr(9)
• vpif_input_to_subdev(9)
• vpif_set_input(9)
• vpif_querystd(9)
• vpif_g_std(9)
• vpif_s_std(9)
• vpif_enum_input(9)
• vpif_g_input(9)
• vpif_s_input(9)
• vpif_enum_fmt_vid_cap(9)
• vpif_try_fmt_vid_cap(9)
• vpif_g_fmt_vid_cap(9)
• vpif_s_fmt_vid_cap(9)
• vpif_querycap(9)
• vpif_enum_dv_timings(9)
• vpif_query_dv_timings(9)
• vpif_s_dv_timings(9)
• vpif_g_dv_timings(9)
• initialize_vpif(9)
• vpif_probe(9)
• vpif_remove(9)
• vpif_suspend(9)

thirty-one functions. thirty-one. she said "i have a support system" and she MEANT it 🫶✨

---

lowkey a reminder that this page is served from the source tree at ./drivers/media/platform/ti/da... (the path is truncated right there in the footer, so that's exactly what you get, bestie — no inventing the rest of it 🙈) and it's dated October 2026, which is giving time traveller main character energy ngl ⭐

and that's the page!! vpif_calculate_offsets(9), vpif_calculate_offsets(9) all the way down, manual name in the header and footer, dated October 2026, from ./drivers/media/platform/ti/da... — mwah, go read vpif_capture.c 💜🎀