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path: root/target/linux/bcm27xx/patches-5.15/950-0241-media-irs1125-Refactoring-and-debug-messages.patch
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From 49b81417f89c97f2df2ab79ce6eba61bf6c3cc32 Mon Sep 17 00:00:00 2001
From: Markus Proeller <markus.proeller@pieye.org>
Date: Tue, 16 Jun 2020 13:27:42 +0200
Subject: [PATCH] media: irs1125: Refactoring and debug messages

Changed some variable names to comply with checkpatch --strict mode.
Debug messages added.

Signed-off-by: Markus Proeller <markus.proeller@pieye.org>
---
 drivers/media/i2c/irs1125.c | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)

--- a/drivers/media/i2c/irs1125.c
+++ b/drivers/media/i2c/irs1125.c
@@ -15,6 +15,7 @@
 #include "irs1125.h"
 #include <linux/clk.h>
 #include <linux/delay.h>
+#include <linux/firmware.h>
 #include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/init.h>
@@ -22,13 +23,13 @@
 #include <linux/module.h>
 #include <linux/of_graph.h>
 #include <linux/slab.h>
+#include <linux/types.h>
 #include <linux/videodev2.h>
-#include <linux/firmware.h>
+#include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-image-sizes.h>
 #include <media/v4l2-mediabus.h>
-#include <media/v4l2-ctrls.h>
 
 #define CHECK_BIT(val, pos) ((val) & BIT(pos))
 
@@ -38,18 +39,19 @@
 
 #define IRS1125_ALTERNATE_FW "irs1125_af.bin"
 
-#define IRS1125_REG_CSICFG       0xA882
-#define IRS1125_REG_DESIGN_STEP	 0xB0AD
-#define IRS1125_REG_EFUSEVAL2	 0xB09F
-#define IRS1125_REG_EFUSEVAL3	 0xB0A0
-#define IRS1125_REG_EFUSEVAL4	 0xB0A1
-#define IRS1125_REG_DMEM_SHADOW	 0xC320
+#define IRS1125_REG_SAFE_RECONFIG	0xA850
+#define IRS1125_REG_CSICFG		0xA882
+#define IRS1125_REG_DESIGN_STEP		0xB0AD
+#define IRS1125_REG_EFUSEVAL2		0xB09F
+#define IRS1125_REG_EFUSEVAL3		0xB0A0
+#define IRS1125_REG_EFUSEVAL4		0xB0A1
+#define IRS1125_REG_DMEM_SHADOW		0xC320
 
-#define IRS1125_DESIGN_STEP_EXPECTED 0x0a12
+#define IRS1125_DESIGN_STEP_EXPECTED	0x0a12
 
 #define IRS1125_ROW_START_DEF		0
 #define IRS1125_COLUMN_START_DEF	0
-#define IRS1125_WINDOW_HEIGHT_DEF	 288
+#define IRS1125_WINDOW_HEIGHT_DEF	288
 #define IRS1125_WINDOW_WIDTH_DEF	352
 
 struct regval_list {
@@ -87,7 +89,7 @@ static inline struct irs1125 *to_state(s
 	return container_of(sd, struct irs1125, sd);
 }
 
-static struct regval_list irs1125_26MHz[] = {
+static struct regval_list irs1125_26mhz[] = {
 	{0xB017, 0x0413},
 	{0xB086, 0x3535},
 	{0xB0AE, 0xEF02},
@@ -153,7 +155,7 @@ static struct regval_list irs1125_26MHz[
 	{0xFFFF, 100}
 };
 
-static struct regval_list irs1125_seq_cfg[] = {
+static struct regval_list irs1125_seq_cfg_init[] = {
 	{0xC3A0, 0x823D},
 	{0xC3A1, 0xB13B},
 	{0xC3A2, 0x0313},
@@ -243,6 +245,7 @@ static int irs1125_write(struct v4l2_sub
 		dev_err(&client->dev, "%s: i2c write error, reg: %x\n",
 			__func__, reg);
 
+	dev_dbg(&client->dev, "write addr 0x%04x, val 0x%04x\n", reg, val);
 	return ret;
 }
 
@@ -364,8 +367,8 @@ static int __sensor_init(struct v4l2_sub
 		cnt++;
 	}
 
-	ret = irs1125_write_array(sd, irs1125_26MHz,
-				  ARRAY_SIZE(irs1125_26MHz));
+	ret = irs1125_write_array(sd, irs1125_26mhz,
+				  ARRAY_SIZE(irs1125_26mhz));
 	if (ret < 0) {
 		dev_err(&client->dev, "write sensor default regs error\n");
 		return ret;
@@ -415,8 +418,8 @@ static int __sensor_init(struct v4l2_sub
 	}
 	release_firmware(fw);
 
-	ret = irs1125_write_array(sd, irs1125_seq_cfg,
-				  ARRAY_SIZE(irs1125_seq_cfg));
+	ret = irs1125_write_array(sd, irs1125_seq_cfg_init,
+				  ARRAY_SIZE(irs1125_seq_cfg_init));
 	if (ret < 0) {
 		dev_err(&client->dev, "write default sequence failed\n");
 		return ret;
@@ -1037,6 +1040,7 @@ static int irs1125_probe(struct i2c_clie
 	}
 
 	gpio_num = desc_to_gpio(sensor->reset);
+	dev_dbg(&client->dev, "reset on GPIO num %d\n", gpio_num);
 
 	mutex_init(&sensor->lock);