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41 lines
1.3 KiB
Diff
41 lines
1.3 KiB
Diff
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From e1b03ea9e84320e6bf36a1486abaebbceadd7fc7 Mon Sep 17 00:00:00 2001
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From: Ben Benson <ben.benson@raspberrypi.com>
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Date: Fri, 21 Jul 2023 15:59:51 +0100
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Subject: [PATCH] drivers: media: imx296: Updated imx296 driver for external
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trigger
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Updated imx296 driver to support external trigger mode via XTR pin.
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Added module parameter to control this mode.
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Signed-off-by: Ben Benson <ben.benson@raspberrypi.com>
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---
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drivers/media/i2c/imx296.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/drivers/media/i2c/imx296.c
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+++ b/drivers/media/i2c/imx296.c
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@@ -20,6 +20,10 @@
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#include <media/v4l2-fwnode.h>
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#include <media/v4l2-subdev.h>
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+static int trigger_mode;
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+module_param(trigger_mode, int, 0644);
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+MODULE_PARM_DESC(trigger_mode, "Set trigger mode: 0=default, 1=XTRIG");
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+
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#define IMX296_PIXEL_ARRAY_WIDTH 1456
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#define IMX296_PIXEL_ARRAY_HEIGHT 1088
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@@ -645,6 +649,12 @@ static int imx296_stream_on(struct imx29
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imx296_write(sensor, IMX296_CTRL00, 0, &ret);
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usleep_range(2000, 5000);
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+
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+ if (trigger_mode == 1) {
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+ imx296_write(sensor, IMX296_CTRL0B, IMX296_CTRL0B_TRIGEN, &ret);
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+ imx296_write(sensor, IMX296_LOWLAGTRG, IMX296_LOWLAGTRG_FAST, &ret);
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+ }
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+
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imx296_write(sensor, IMX296_CTRL0A, 0, &ret);
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/* vflip and hflip cannot change during streaming */
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