mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 06:57:57 +00:00
20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
61 lines
1.8 KiB
Diff
61 lines
1.8 KiB
Diff
From d3cbabced959831fb1f04565dd424ece48f1b831 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] 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_CONTINUOUS_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_HFLIP 0x01
|
|
@@ -848,6 +850,7 @@ 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:
|
|
@@ -1300,6 +1303,15 @@ 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_CONTINUOUS_CLOCK ?
|
|
+ 0 : 1);
|
|
+ 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);
|
|
@@ -1703,6 +1715,8 @@ 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);
|
|
|