76 lines
2.2 KiB
Diff
76 lines
2.2 KiB
Diff
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From cb6b34feed739fa494d7c9c7fc026895e6ba23e8 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Ond=C5=99ej=20Jirman?= <megi@xff.cz>
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Date: Mon, 22 Jun 2020 17:17:09 +0200
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Subject: [PATCH 084/469] input: touchscreen: goodix: Add config debugfs file
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Signed-off-by: Ondrej Jirman <megi@xff.cz>
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---
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drivers/input/touchscreen/goodix.c | 17 +++++++++++++++++
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drivers/input/touchscreen/goodix.h | 1 +
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2 files changed, 18 insertions(+)
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diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c
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index d77f116680a0..680934c3e4f5 100644
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--- a/drivers/input/touchscreen/goodix.c
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+++ b/drivers/input/touchscreen/goodix.c
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@@ -22,6 +22,7 @@
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#include <linux/slab.h>
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#include <linux/acpi.h>
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#include <linux/of.h>
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+#include <linux/debugfs.h>
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#include <asm/unaligned.h>
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#include "goodix.h"
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@@ -1026,6 +1027,16 @@ static int goodix_get_gpio_config(struct goodix_ts_data *ts)
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return 0;
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}
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+static int ts_config_bin_show(struct seq_file *s, void *data)
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+{
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+ struct goodix_ts_data *ts = s->private;
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+
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+ seq_write(s, ts->config, ts->chip->config_len);
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+
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+ return 0;
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+}
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+DEFINE_SHOW_ATTRIBUTE(ts_config_bin);
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+
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/**
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* goodix_read_config - Read the embedded configuration of the panel
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*
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@@ -1064,6 +1075,10 @@ static void goodix_read_config(struct goodix_ts_data *ts)
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}
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ts->chip->calc_config_checksum(ts);
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+
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+ ts->debug_root = debugfs_create_dir("goodix", NULL);
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+ debugfs_create_file("config.bin", 0444, ts->debug_root, ts,
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+ &ts_config_bin_fops);
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}
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/**
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@@ -1407,6 +1422,8 @@ static void goodix_ts_remove(struct i2c_client *client)
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if (ts->load_cfg_from_disk)
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wait_for_completion(&ts->firmware_loading_complete);
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+
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+ debugfs_remove(ts->debug_root);
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}
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static int goodix_suspend(struct device *dev)
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diff --git a/drivers/input/touchscreen/goodix.h b/drivers/input/touchscreen/goodix.h
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index 87797cc88b32..7c44aa110ee6 100644
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--- a/drivers/input/touchscreen/goodix.h
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+++ b/drivers/input/touchscreen/goodix.h
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@@ -104,6 +104,7 @@ struct goodix_ts_data {
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u8 main_clk[GOODIX_MAIN_CLK_LEN];
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int bak_ref_len;
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u8 *bak_ref;
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+ struct dentry *debug_root;
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};
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int goodix_i2c_read(struct i2c_client *client, u16 reg, u8 *buf, int len);
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--
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2.34.1
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