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77e97abf12
Also removes random module and switches to new bcm2711 thermal driver. Boot tested on RPi 4B v1.1 4G. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
50 lines
1.6 KiB
Diff
50 lines
1.6 KiB
Diff
From 53d7c93a14d1e0804a96e3a21f472ba5ff033b14 Mon Sep 17 00:00:00 2001
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From: Naushir Patuck <naush@raspberrypi.com>
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Date: Tue, 21 Apr 2020 16:26:03 +0100
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Subject: [PATCH] media: bcm2835-unicam: Re-fetch mbus code from subdev
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on a g_fmt call
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The sensor subdevice may change the Bayer order if a H/V flip is
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requested after a s_fmt call. Unicam g_fmt must call the subdev get_fmt
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in case this has happened and return out the correct format 4cc.
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Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
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---
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.../media/platform/bcm2835/bcm2835-unicam.c | 21 ++++++++++++++++++-
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1 file changed, 20 insertions(+), 1 deletion(-)
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--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
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+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
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@@ -967,11 +967,30 @@ static int unicam_enum_fmt_vid_cap(struc
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static int unicam_g_fmt_vid_cap(struct file *file, void *priv,
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struct v4l2_format *f)
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{
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+ struct v4l2_mbus_framefmt mbus_fmt = {0};
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struct unicam_node *node = video_drvdata(file);
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+ struct unicam_device *dev = node->dev;
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+ const struct unicam_fmt *fmt = NULL;
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+ int ret;
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- if (node->pad_id == METADATA_PAD)
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+ if (node->pad_id != IMAGE_PAD)
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return -EINVAL;
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+ /*
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+ * If a flip has occurred in the sensor, the fmt code might have
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+ * changed. So we will need to re-fetch the format from the subdevice.
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+ */
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+ ret = __subdev_get_format(dev, &mbus_fmt, node->pad_id);
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+ if (ret)
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+ return -EINVAL;
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+
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+ /* Find the V4L2 format from mbus code. We must match a known format. */
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+ fmt = find_format_by_code(mbus_fmt.code);
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+ if (!fmt)
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+ return -EINVAL;
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+
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+ node->fmt = fmt;
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+ node->v_fmt.fmt.pix.pixelformat = fmt->fourcc;
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*f = node->v_fmt;
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return 0;
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