linux-kernel - [PATCH v4 0/3] media: subdev: Add v4l2_subdev_get_frame_desc

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Message-Id: <20250324-frame-desc-passthrough-v4-0-dbe2412297cc@ideasonboard.com>
Date: Mon, 24 Mar 2025 10:04:43 +0200
From: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
Subject: [PATCH v4 0/3] media: subdev: Add
 v4l2_subdev_get_frame_desc_passthrough and use it

When writing the exact same code the third time for Renesas, I thought
we probably need a helper.

 Tomi

Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
---
Changes in v4:
- Update the helper name in commit descriptions too
- Link to v3: https://lore.kernel.org/r/20250324-frame-desc-passthrough-v3-0-993839a1f9b3@ideasonboard.com

Changes in v3:
- Rename the helper to v4l2_subdev_get_frame_desc_passthrough()
- Check for fd->entry[] array overflow
- Add error prints (with dev_dbg)
- Link to v2: https://lore.kernel.org/r/20250219-frame-desc-passthrough-v2-0-5135d57ecd6a@ideasonboard.com

Changes in v2:
- Fix "uninitialized symbol 'ret'"
- Reorder local variables
- Link to v1: https://lore.kernel.org/r/20250218-frame-desc-passthrough-v1-0-a32458f53714@ideasonboard.com

---
Tomi Valkeinen (3):
      media: subdev: Add v4l2_subdev_get_frame_desc_passthrough helper
      media: i2c: ds90ub953: Use v4l2_subdev_get_frame_desc_passthrough
      media: i2c: ds90ub913: Use v4l2_subdev_get_frame_desc_passthrough

 drivers/media/i2c/ds90ub913.c         |  59 +-----------------
 drivers/media/i2c/ds90ub953.c         |  61 +-----------------
 drivers/media/v4l2-core/v4l2-subdev.c | 113 ++++++++++++++++++++++++++++++++++
 include/media/v4l2-subdev.h           |  22 +++++++
 4 files changed, 137 insertions(+), 118 deletions(-)
---
base-commit: f2151613e040973c868d28c8b00885dfab69eb75
change-id: 20250218-frame-desc-passthrough-66805e413974

Best regards,
-- 
Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>