build/patch/kernel/archive/sunxi-5.10/megous/input-touchscreen-goodix-Add-config-debugfs-file.patch

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From 02d091ba5a31b397124fc37bf2e3d6b8c8d90dee Mon Sep 17 00:00:00 2001
From: Ondrej Jirman <megous@megous.com>
Date: Mon, 22 Jun 2020 17:17:09 +0200
Subject: [PATCH 086/323] input: touchscreen: goodix: Add config debugfs file
Signed-off-by: Ondrej Jirman <megous@megous.com>
---
drivers/input/touchscreen/goodix.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c
index a06385c55..2129cc3bb 100644
--- a/drivers/input/touchscreen/goodix.c
+++ b/drivers/input/touchscreen/goodix.c
@@ -27,6 +27,7 @@
#include <linux/slab.h>
#include <linux/acpi.h>
#include <linux/of.h>
+#include <linux/debugfs.h>
#include <asm/unaligned.h>
#define GOODIX_GPIO_INT_NAME "irq"
@@ -115,6 +116,7 @@ struct goodix_ts_data {
unsigned int contact_size;
u8 config[GOODIX_CONFIG_MAX_LENGTH];
unsigned short keymap[GOODIX_MAX_KEYS];
+ struct dentry *debug_root;
};
static int goodix_check_cfg_8(struct goodix_ts_data *ts,
@@ -917,6 +919,16 @@ static int goodix_get_gpio_config(struct goodix_ts_data *ts)
return 0;
}
+static int ts_config_bin_show(struct seq_file *s, void *data)
+{
+ struct goodix_ts_data *ts = s->private;
+
+ seq_write(s, ts->config, ts->chip->config_len);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(ts_config_bin);
+
/**
* goodix_read_config - Read the embedded configuration of the panel
*
@@ -950,6 +962,10 @@ static void goodix_read_config(struct goodix_ts_data *ts)
}
ts->chip->calc_config_checksum(ts);
+
+ ts->debug_root = debugfs_create_dir("goodix", NULL);
+ debugfs_create_file("config.bin", 0444, ts->debug_root, ts,
+ &ts_config_bin_fops);
}
/**
@@ -1262,6 +1278,8 @@ static int goodix_ts_remove(struct i2c_client *client)
if (ts->load_cfg_from_disk)
wait_for_completion(&ts->firmware_loading_complete);
+ debugfs_remove(ts->debug_root);
+
return 0;
}
--
2.34.0