mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-28 01:28:59 +00:00
793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
89 lines
2.6 KiB
Diff
89 lines
2.6 KiB
Diff
From 9524eae5a46285e574b869879fb0228fb4424a5f Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Date: Thu, 1 Dec 2022 13:54:49 +0000
|
|
Subject: [PATCH] media: i2c: ov7251: Add module param to select ext
|
|
trig mode
|
|
|
|
As there isn't currently a defined mechanism for selecting an
|
|
external trigger mode on image sensors, copy the imx477
|
|
approach of using a module parameter to enable ext trig.
|
|
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
---
|
|
drivers/media/i2c/ov7251.c | 35 ++++++++++++++++++++++++++++++++---
|
|
1 file changed, 32 insertions(+), 3 deletions(-)
|
|
|
|
--- a/drivers/media/i2c/ov7251.c
|
|
+++ b/drivers/media/i2c/ov7251.c
|
|
@@ -23,6 +23,10 @@
|
|
#include <media/v4l2-fwnode.h>
|
|
#include <media/v4l2-subdev.h>
|
|
|
|
+static int trigger_mode;
|
|
+module_param(trigger_mode, int, 0644);
|
|
+MODULE_PARM_DESC(trigger_mode, "Set vsync trigger mode: 0=standalone, (1=source - not implemented), 2=sink");
|
|
+
|
|
#define OV7251_SC_MODE_SELECT 0x0100
|
|
#define OV7251_SC_MODE_SELECT_SW_STANDBY 0x0
|
|
#define OV7251_SC_MODE_SELECT_STREAMING 0x1
|
|
@@ -525,7 +529,6 @@ static const struct reg_value ov7251_set
|
|
{ 0x3662, 0x01 },
|
|
{ 0x3663, 0x70 },
|
|
{ 0x3664, 0x50 },
|
|
- { 0x3666, 0x0a },
|
|
{ 0x3669, 0x1a },
|
|
{ 0x366a, 0x00 },
|
|
{ 0x366b, 0x50 },
|
|
@@ -592,9 +595,8 @@ static const struct reg_value ov7251_set
|
|
{ 0x3c00, 0x89 },
|
|
{ 0x3c01, 0x63 },
|
|
{ 0x3c02, 0x01 },
|
|
- { 0x3c03, 0x00 },
|
|
{ 0x3c04, 0x00 },
|
|
- { 0x3c05, 0x03 },
|
|
+ { 0x3c05, 0x01 },
|
|
{ 0x3c06, 0x00 },
|
|
{ 0x3c07, 0x06 },
|
|
{ 0x3c0c, 0x01 },
|
|
@@ -624,6 +626,16 @@ static const struct reg_value ov7251_set
|
|
{ 0x5001, 0x80 },
|
|
};
|
|
|
|
+static const struct reg_value ov7251_ext_trig_on[] = {
|
|
+ { 0x3666, 0x00 },
|
|
+ { 0x3c03, 0x17 },
|
|
+};
|
|
+
|
|
+static const struct reg_value ov7251_ext_trig_off[] = {
|
|
+ { 0x3666, 0x0a },
|
|
+ { 0x3c03, 0x00 },
|
|
+};
|
|
+
|
|
static const unsigned long supported_xclk_rates[] = {
|
|
[OV7251_19_2_MHZ] = 19200000,
|
|
[OV7251_24_MHZ] = 24000000,
|
|
@@ -1372,6 +1384,23 @@ static int ov7251_s_stream(struct v4l2_s
|
|
dev_err(ov7251->dev, "could not sync v4l2 controls\n");
|
|
goto err_power_down;
|
|
}
|
|
+
|
|
+ /* Set vsync trigger mode */
|
|
+ switch (trigger_mode) {
|
|
+ case 2:
|
|
+ ov7251_set_register_array(ov7251,
|
|
+ ov7251_ext_trig_on,
|
|
+ ARRAY_SIZE(ov7251_ext_trig_on));
|
|
+ break;
|
|
+ case 0:
|
|
+ default:
|
|
+ /* case 1 for ext trig source currently not implemented */
|
|
+ ov7251_set_register_array(ov7251,
|
|
+ ov7251_ext_trig_off,
|
|
+ ARRAY_SIZE(ov7251_ext_trig_off));
|
|
+ break;
|
|
+ }
|
|
+
|
|
ret = ov7251_write_reg(ov7251, OV7251_SC_MODE_SELECT,
|
|
OV7251_SC_MODE_SELECT_STREAMING);
|
|
if (ret)
|