From nobody Thu Apr 2 22:01:14 2026 Received: from mail-wm1-f41.google.com (mail-wm1-f41.google.com [209.85.128.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BB1C23FE665 for ; Thu, 26 Mar 2026 14:21:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774534890; cv=none; b=H6s6HmtHJLQ04eD/aoUI/6dad/+/y+LC9gLbmlHuwlNy/lZR+YKVWqYvvg6ZLgvFJgy2XtxXdVSQCapwxWm3QzwHd5r+uCaGjT2AmrulP8uWMR5mTZT3awsiSOs7V3JlEEue6rPk+sunrV9dr+vVxikO0oL7Klt+e9/xaKCONGQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774534890; c=relaxed/simple; bh=RJe9GzRsVnP9RgGUrpNPFKt+FZ5gT6tjolAsDsfcPn8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QqgT71Z9E6erBUWGGUX9BxAcjvoQ6zXnNKcXqRn6ThtxdlIoXw2y2ozAHENLq6688GmBN6k/3Q/qTKUEUy5kK3Q7McDql3lRXEck7hzCw/7nsF+IVt6c+eVi3nVSDa5PFSWbFPvxCVbgZ6z9KC0aUXpuXn9jDzQhn1W5hl3kWQA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ndIBRqvh; arc=none smtp.client-ip=209.85.128.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ndIBRqvh" Received: by mail-wm1-f41.google.com with SMTP id 5b1f17b1804b1-4838c15e3cbso8188215e9.3 for ; Thu, 26 Mar 2026 07:21:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1774534880; x=1775139680; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=7X4Hw21VVlfFhBGvSzfDwQVT4JNcMNCdD8bUyasxiZU=; b=ndIBRqvhSgR/rfSMgo4lBh3zXtOUIJf7/saNuIwdqWUqEmlkIoXmSZgBqC8R6cwiq4 9aQVygocYQpZRDrh+wAHPKUnYNW8t+HZfwKL7yJOnKk4xx/5+2dPF2BykOdIhQ5DALpK kc1Kg4dP/PLFh94+JbSgB3LOrftzoT7N56/pEq44jZtXc75mlRfiKy8gGGV58JTkt8L5 e4y1HMkq7nrpHvhwzkTzgTVO4+2/Fu5GypZUgIAjGc0RQ0AuayDjISpnh56vS2G9GpEp V9+NBqWdvRK2NIUMsEV4d8ikfJogbNbuxLUqc8oHijSzgZuq+WP8YRFDmeMZDYJ8VK6e fZTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774534880; x=1775139680; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=7X4Hw21VVlfFhBGvSzfDwQVT4JNcMNCdD8bUyasxiZU=; b=ST8vp+9x5pCMLOJnrFLjWOzuCreCx1iRZHUzCDQATiUb8jWLYcwkYGOwY5c5/KUXzJ VyKalA7GXFRO87qNqD/sWq3LjY4OePyn+AFkuB4GeljD2o4yi8IP4NX6oJO/YYepJ5Tw AcWfqbAZkIjzyE7Ee4xPV9ZGeqVMVsGGmwoP5anjITM9IgaC3s0wz//ragRTrtPeNF0t BZAT1p1DoEtwUaSWKW5rieHTcyndVj98+ekc519XREua0cl6bIO8o6YeBg9G3kbfqhRy C5DSCrUvuk0MRq3sKHq2ZmBx4etRvKhWKW3Fo14J7Yys3BM4Lfc+llqN0zv3KJ3ikgEr WPSg== X-Forwarded-Encrypted: i=1; AJvYcCWGyrRfUsTdiJMqELsvYUlp+5PTRFJLAoj0dwS4Gbzgf3qcJcDuedcsAeWS+zd0OazJChwN0TZEegpXQ/k=@vger.kernel.org X-Gm-Message-State: AOJu0YxYMJglAn6pC6jeW/Pgx3W/ajwYAvez40zBXEQuVWnXt+P9PWht 3GjRrvc2nh6CbFfd/0/pH0uq8ZsslSvEBIhVlZ2qGK0WxLppSCbvDSDX X-Gm-Gg: ATEYQzym/edx/XGDGNHeZwpmEv6k+ir2AJ6tmFqFsUaYwmay7re9G5x7MrPDSiIN5mZ Gra3YeiUX61IHeH8iyfiq228dUm5DfoC8Tc/q0iyLV77xiPEdK0UqWj6dxOg052cA5qzeE7V64Z NR3kR8Gv0Fw2b1Ny1C1DhaueaBZd8n8herYy2aorT1/lArGdQjA3DKVxitK2IfZ3uGpfwEj3V65 Ol6dea6Qiv0jjdjjEkm+BWOTXfdiB1JalqOkbmvXdpoXBoe8wnSOKUb02s0FVE7Chfar7sXfxlW FP5Zt6COJaki9s4UxbxxRF4nZQCfPINuoV83eNNsRy14c2Z2QSlH3GrUIx9VVX2Qg4qJ62cvjpS RIdJtZguaRMJAon7MvV15/cvJdj8ycRbCScu+vUkZ+z7bdPrwumH3rlWN5k5e7E1CjnWmXem2Ll 7CAafcDmFlx/1+aPyMCV/oBhIdPS+093LXr7F6gbMlBX/qT7WTjTSS5ypvtPNLcM1NP8Ko0mGqv zsUKw3oWqp5lGGaIn6sXeHmAPIbrMA4RZ9iog== X-Received: by 2002:a05:600c:37cc:b0:486:fa35:aef2 with SMTP id 5b1f17b1804b1-48715fbfee6mr126722855e9.4.1774534880027; Thu, 26 Mar 2026 07:21:20 -0700 (PDT) Received: from iku.Home ([2a06:5906:61b:2d00:516a:f94c:8d31:fabd]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48722c65989sm63574445e9.2.2026.03.26.07.21.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Mar 2026 07:21:19 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Mauro Carvalho Chehab , Sakari Ailus , Hans Verkuil , Hans de Goede , Laurent Pinchart , Vladimir Zapolskiy , Mehdi Djait , Xiaolei Wang , Benjamin Mugnier , Sylvain Petinot , Hardevsinh Palaniya Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar , Laurent Pinchart Subject: [PATCH 1/2] media: i2c: ov5645: Report streams using frame descriptors Date: Thu, 26 Mar 2026 14:21:06 +0000 Message-ID: <20260326142107.297811-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260326142107.297811-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20260326142107.297811-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar Implement the .get_frame_desc() subdev operation to report information about streams to the connected CSI-2 receiver. This is required to let the CSI-2 receiver driver know about virtual channels and data types for each stream. Signed-off-by: Lad Prabhakar Reviewed-by: Laurent Pinchart --- Changes since v3 [0], - Added a macro for the source pad index. - Updated ov5645_init_state() to use the new macro. [0] https://lore.kernel.org/all/20241018153230.235647-9-prabhakar.mahadev-l= ad.rj@bp.renesas.com/ Hi Laurent, Ive restored your RB tag with the above changes. Please let me know if you have any further comments. Cheers, Prabhakar --- drivers/media/i2c/ov5645.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index b10d408034a1..df9001fce44d 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include #include @@ -68,6 +69,8 @@ static const char * const ov5645_supply_name[] =3D { =20 #define OV5645_NUM_SUPPLIES ARRAY_SIZE(ov5645_supply_name) =20 +#define OV5645_PAD_SOURCE 0 + struct reg_value { u16 reg; u8 val; @@ -817,6 +820,29 @@ static const struct v4l2_ctrl_ops ov5645_ctrl_ops =3D { .s_ctrl =3D ov5645_s_ctrl, }; =20 +static int ov5645_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad, + struct v4l2_mbus_frame_desc *fd) +{ + struct v4l2_subdev_state *state; + u32 code; + + state =3D v4l2_subdev_lock_and_get_active_state(sd); + code =3D v4l2_subdev_state_get_format(state, OV5645_PAD_SOURCE, 0)->code; + v4l2_subdev_unlock_state(state); + + fd->type =3D V4L2_MBUS_FRAME_DESC_TYPE_CSI2; + fd->num_entries =3D 1; + + memset(fd->entry, 0, sizeof(fd->entry)); + + fd->entry[0].pixelcode =3D code; + fd->entry[0].stream =3D 0; + fd->entry[0].bus.csi2.vc =3D 0; + fd->entry[0].bus.csi2.dt =3D MIPI_CSI2_DT_YUV422_8B; + + return 0; +} + static int ov5645_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) @@ -897,7 +923,7 @@ static int ov5645_init_state(struct v4l2_subdev *subdev, { struct v4l2_subdev_format fmt =3D { .which =3D V4L2_SUBDEV_FORMAT_TRY, - .pad =3D 0, + .pad =3D OV5645_PAD_SOURCE, .format =3D { .code =3D MEDIA_BUS_FMT_UYVY8_1X16, .width =3D ov5645_mode_info_data[1].width, @@ -988,6 +1014,7 @@ static const struct v4l2_subdev_video_ops ov5645_video= _ops =3D { }; =20 static const struct v4l2_subdev_pad_ops ov5645_subdev_pad_ops =3D { + .get_frame_desc =3D ov5645_get_frame_desc, .enum_mbus_code =3D ov5645_enum_mbus_code, .enum_frame_size =3D ov5645_enum_frame_size, .get_fmt =3D v4l2_subdev_get_fmt, --=20 2.53.0