forked from Openwrt/openwrt
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
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Date: Thu, 31 Mar 2022 15:33:59 +0100
|
|
Subject: [PATCH 0454/1085] media: i2c: imx258: Allow configuration of clock
|
|
lane behaviour
|
|
|
|
The sensor supports the clock lane either remaining in HS mode
|
|
during frame blanking, or dropping to LP11.
|
|
|
|
Add configuration of the mode via V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK.
|
|
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
---
|
|
drivers/media/i2c/imx258.c | 14 ++++++++++++++
|
|
1 file changed, 14 insertions(+)
|
|
|
|
--- a/drivers/media/i2c/imx258.c
|
|
+++ b/drivers/media/i2c/imx258.c
|
|
@@ -72,6 +72,8 @@
|
|
/* Test Pattern Control */
|
|
#define IMX258_REG_TEST_PATTERN 0x0600
|
|
|
|
+#define IMX258_CLK_BLANK_STOP 0x4040
|
|
+
|
|
/* Orientation */
|
|
#define REG_MIRROR_FLIP_CONTROL 0x0101
|
|
#define REG_CONFIG_MIRROR_FLIP 0x03
|
|
@@ -829,6 +831,7 @@ struct imx258 {
|
|
const struct imx258_link_freq_config *link_freq_configs;
|
|
const s64 *link_freq_menu_items;
|
|
unsigned int nlanes;
|
|
+ unsigned int csi2_flags;
|
|
|
|
/*
|
|
* Mutex for serialized access:
|
|
@@ -1260,6 +1263,15 @@ static int imx258_start_streaming(struct
|
|
return ret;
|
|
}
|
|
|
|
+ ret = imx258_write_reg(imx258, IMX258_CLK_BLANK_STOP,
|
|
+ IMX258_REG_VALUE_08BIT,
|
|
+ imx258->csi2_flags & V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK ?
|
|
+ 1 : 0);
|
|
+ if (ret) {
|
|
+ dev_err(&client->dev, "%s failed to set clock lane mode\n", __func__);
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
/* Apply default values of current mode */
|
|
reg_list = &imx258->cur_mode->reg_list;
|
|
ret = imx258_write_regs(imx258, reg_list->regs, reg_list->num_of_regs);
|
|
@@ -1674,6 +1686,8 @@ static int imx258_probe(struct i2c_clien
|
|
goto error_endpoint_poweron;
|
|
}
|
|
|
|
+ imx258->csi2_flags = ep.bus.mipi_csi2.flags;
|
|
+
|
|
/* Initialize subdev */
|
|
v4l2_i2c_subdev_init(&imx258->sd, client, &imx258_subdev_ops);
|
|
|