From 02d091ba5a31b397124fc37bf2e3d6b8c8d90dee Mon Sep 17 00:00:00 2001 From: Ondrej Jirman 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 --- 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 #include #include +#include #include #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