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8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
61 lines
1.8 KiB
Diff
61 lines
1.8 KiB
Diff
From 397868734bc175fa65bb16280b0f29a514e58cdb Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 31 Mar 2022 15:33:59 +0100
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Subject: [PATCH 0454/1085] media: i2c: imx258: Allow configuration of clock
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lane behaviour
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The sensor supports the clock lane either remaining in HS mode
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during frame blanking, or dropping to LP11.
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Add configuration of the mode via V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/media/i2c/imx258.c | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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--- a/drivers/media/i2c/imx258.c
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+++ b/drivers/media/i2c/imx258.c
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@@ -72,6 +72,8 @@
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/* Test Pattern Control */
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#define IMX258_REG_TEST_PATTERN 0x0600
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+#define IMX258_CLK_BLANK_STOP 0x4040
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+
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/* Orientation */
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#define REG_MIRROR_FLIP_CONTROL 0x0101
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#define REG_CONFIG_MIRROR_FLIP 0x03
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@@ -829,6 +831,7 @@ struct imx258 {
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const struct imx258_link_freq_config *link_freq_configs;
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const s64 *link_freq_menu_items;
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unsigned int nlanes;
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+ unsigned int csi2_flags;
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/*
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* Mutex for serialized access:
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@@ -1260,6 +1263,15 @@ static int imx258_start_streaming(struct
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return ret;
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}
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+ ret = imx258_write_reg(imx258, IMX258_CLK_BLANK_STOP,
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+ IMX258_REG_VALUE_08BIT,
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+ imx258->csi2_flags & V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK ?
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+ 1 : 0);
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+ if (ret) {
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+ dev_err(&client->dev, "%s failed to set clock lane mode\n", __func__);
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+ return ret;
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+ }
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+
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/* Apply default values of current mode */
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reg_list = &imx258->cur_mode->reg_list;
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ret = imx258_write_regs(imx258, reg_list->regs, reg_list->num_of_regs);
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@@ -1674,6 +1686,8 @@ static int imx258_probe(struct i2c_clien
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goto error_endpoint_poweron;
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}
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+ imx258->csi2_flags = ep.bus.mipi_csi2.flags;
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+
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/* Initialize subdev */
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v4l2_i2c_subdev_init(&imx258->sd, client, &imx258_subdev_ops);
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