71 lines
1.9 KiB
Diff
71 lines
1.9 KiB
Diff
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From 02d091ba5a31b397124fc37bf2e3d6b8c8d90dee Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megous@megous.com>
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Date: Mon, 22 Jun 2020 17:17:09 +0200
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Subject: [PATCH 086/323] input: touchscreen: goodix: Add config debugfs file
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Signed-off-by: Ondrej Jirman <megous@megous.com>
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---
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drivers/input/touchscreen/goodix.c | 18 ++++++++++++++++++
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1 file 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 a06385c55..2129cc3bb 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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@@ -27,6 +27,7 @@
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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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#define GOODIX_GPIO_INT_NAME "irq"
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@@ -115,6 +116,7 @@ struct goodix_ts_data {
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unsigned int contact_size;
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u8 config[GOODIX_CONFIG_MAX_LENGTH];
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unsigned short keymap[GOODIX_MAX_KEYS];
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+ struct dentry *debug_root;
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};
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static int goodix_check_cfg_8(struct goodix_ts_data *ts,
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@@ -917,6 +919,16 @@ 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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@@ -950,6 +962,10 @@ 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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@@ -1262,6 +1278,8 @@ static int 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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+ debugfs_remove(ts->debug_root);
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+
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return 0;
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}
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--
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2.34.0
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