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Commit 71e8bfde authored by Mohan Pallaka's avatar Mohan Pallaka Committed by Sudhakar Manapati
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input: ft5x06_ts: Add debugfs entry for dump info 



Add a debugfs entry to display information about controller to the user.
Also have cleared the checkpatch errors on 3.18

  This patch is propagated from 3.4 kernel
    commit: 768d5e3a47dbfddbc356f387d5825858592788f6
    input: ft5x06_ts: Add debugfs entry for dump info

Change-Id: I075501fefe1984533139ecca65af92f3c0ab8b97
Signed-off-by: default avatarMohan Pallaka <mpallaka@codeaurora.org>
Signed-off-by: default avatarSudhakar Manapati <smanap@codeaurora.org>
parent 836a4745

drivers/input/touchscreen/ft5x06_ts.c

+78 −32
Original line number Original line Diff line number Diff line
@@ -169,7 +169,15 @@ 
#define FT_REG_CAL		0x00

#define FT_REG_CAL		0x00

#define FT_CAL_MASK		0x70

#define FT_CAL_MASK		0x70





#define FT_DEBUG_DIR_NAME	"ft_debug"

#define FT_INFO_MAX_LEN		200



#define FT_STORE_TS_INFO(buf, id, fw_ver) \

			snprintf(buf, FT_INFO_MAX_LEN, \

				"controller\t= focaltech\n" \

				"model\t\t= 0x%x\n" \

				"fw_ver\t\t= 0x%x\n", id, fw_ver)



#define FT_DEBUG_DIR_NAME	"ts_debug"





struct ts_event {

struct ts_event {

	u16 x[CFG_MAX_TOUCH_POINTS];	/* x coordinate */

	u16 x[CFG_MAX_TOUCH_POINTS];	/* x coordinate */
@@ -203,6 +211,7 @@ struct ft5x06_ts_data { 
	struct dentry *dir;

	struct dentry *dir;

	u16 addr;

	u16 addr;

	bool suspended;

	bool suspended;

	char *ts_info;

#if defined(CONFIG_FB)

#if defined(CONFIG_FB)

	struct notifier_block fb_notif;

	struct notifier_block fb_notif;

#elif defined(CONFIG_HAS_EARLYSUSPEND)

#elif defined(CONFIG_HAS_EARLYSUSPEND)
@@ -816,6 +825,7 @@ static int ft5x06_fw_upgrade(struct device *dev, bool force) 
		rc = -EIO;

		rc = -EIO;

	}

	}





	FT_STORE_TS_INFO(data->ts_info, data->family_id, FT_FW_FILE_VER(fw));

rel_fw:

rel_fw:

	release_firmware(fw);

	release_firmware(fw);

	return rc;

	return rc;
@@ -1024,6 +1034,27 @@ static int ft5x06_debug_suspend_get(void *_data, u64 *val) 
DEFINE_SIMPLE_ATTRIBUTE(debug_suspend_fops, ft5x06_debug_suspend_get,

DEFINE_SIMPLE_ATTRIBUTE(debug_suspend_fops, ft5x06_debug_suspend_get,

			ft5x06_debug_suspend_set, "%lld\n");

			ft5x06_debug_suspend_set, "%lld\n");





static int ft5x06_debug_dump_info(struct seq_file *m, void *v)

{

	struct ft5x06_ts_data *data = m->private;



	seq_printf(m, "%s\n", data->ts_info);



	return 0;

}



static int debugfs_dump_info_open(struct inode *inode, struct file *file)

{

	return single_open(file, ft5x06_debug_dump_info, inode->i_private);

}



static const struct file_operations debug_dump_info_fops = {

	.owner		= THIS_MODULE,

	.open		= debugfs_dump_info_open,

	.read		= seq_read,

	.release	= single_release,

};



#ifdef CONFIG_OF

#ifdef CONFIG_OF

static int ft5x06_get_dt_coords(struct device *dev, char *name,

static int ft5x06_get_dt_coords(struct device *dev, char *name,

				struct ft5x06_ts_platform_data *pdata)

				struct ft5x06_ts_platform_data *pdata)
@@ -1139,7 +1170,7 @@ static int ft5x06_ts_probe(struct i2c_client *client, 
	struct ft5x06_ts_platform_data *pdata;

	struct ft5x06_ts_platform_data *pdata;

	struct ft5x06_ts_data *data;

	struct ft5x06_ts_data *data;

	struct input_dev *input_dev;

	struct input_dev *input_dev;

	struct dentry *dir, *temp;

	struct dentry *temp;

	u8 reg_value;

	u8 reg_value;

	u8 reg_addr;

	u8 reg_addr;

	int err;

	int err;
@@ -1286,28 +1317,6 @@ static int ft5x06_ts_probe(struct i2c_client *client, 




	data->family_id = reg_value;

	data->family_id = reg_value;





	/* get some register information */

	reg_addr = FT_REG_FW_VER;

	err = ft5x06_i2c_read(client, &reg_addr, 1, &reg_value, 1);

	if (err < 0)

		dev_err(&client->dev, "version read failed");



	dev_info(&client->dev, "Firmware version = 0x%x\n", reg_value);



	reg_addr = FT_REG_POINT_RATE;

	ft5x06_i2c_read(client, &reg_addr, 1, &reg_value, 1);

	if (err < 0)

		dev_err(&client->dev, "report rate read failed");



	dev_dbg(&client->dev, "report rate = %dHz\n", reg_value * 10);



	reg_addr = FT_REG_THGROUP;

	err = ft5x06_i2c_read(client, &reg_addr, 1, &reg_value, 1);

	if (err < 0)

		dev_err(&client->dev, "threshold read failed");



	dev_dbg(&client->dev, "touch threshold = %d\n", reg_value * 4);



	err = request_threaded_irq(client->irq, NULL,

	err = request_threaded_irq(client->irq, NULL,

				   ft5x06_ts_interrupt, pdata->irqflags,

				   ft5x06_ts_interrupt, pdata->irqflags,

				   client->dev.driver->name, data);

				   client->dev.driver->name, data);
@@ -1334,14 +1343,14 @@ static int ft5x06_ts_probe(struct i2c_client *client, 
		goto free_update_fw_sys;

		goto free_update_fw_sys;

	}

	}





	dir = debugfs_create_dir(FT_DEBUG_DIR_NAME, NULL);

	data->dir = debugfs_create_dir(FT_DEBUG_DIR_NAME, NULL);

	if (dir == NULL || IS_ERR(dir)) {

	if (data->dir == NULL || IS_ERR(data->dir)) {

		pr_err("debugfs_create_dir failed: rc=%ld\n", PTR_ERR(dir));

		pr_err("debugfs_create_dir failed(%ld)\n", PTR_ERR(data->dir));

		err = PTR_ERR(dir);

		err = PTR_ERR(data->dir);

		goto free_force_update_fw_sys;

		goto free_force_update_fw_sys;

	}

	}





	temp = debugfs_create_file("addr", S_IRUSR | S_IWUSR, dir, data,

	temp = debugfs_create_file("addr", S_IRUSR | S_IWUSR, data->dir, data,

				   &debug_addr_fops);

				   &debug_addr_fops);

	if (temp == NULL || IS_ERR(temp)) {

	if (temp == NULL || IS_ERR(temp)) {

		pr_err("debugfs_create_file failed: rc=%ld\n", PTR_ERR(temp));

		pr_err("debugfs_create_file failed: rc=%ld\n", PTR_ERR(temp));
@@ -1349,7 +1358,7 @@ static int ft5x06_ts_probe(struct i2c_client *client, 
		goto free_debug_dir;

		goto free_debug_dir;

	}

	}





	temp = debugfs_create_file("data", S_IRUSR | S_IWUSR, dir, data,

	temp = debugfs_create_file("data", S_IRUSR | S_IWUSR, data->dir, data,

				   &debug_data_fops);

				   &debug_data_fops);

	if (temp == NULL || IS_ERR(temp)) {

	if (temp == NULL || IS_ERR(temp)) {

		pr_err("debugfs_create_file failed: rc=%ld\n", PTR_ERR(temp));

		pr_err("debugfs_create_file failed: rc=%ld\n", PTR_ERR(temp));
@@ -1357,14 +1366,50 @@ static int ft5x06_ts_probe(struct i2c_client *client, 
		goto free_debug_dir;

		goto free_debug_dir;

	}

	}





	temp = debugfs_create_file("suspend", S_IRUSR | S_IWUSR, dir, data,

	temp = debugfs_create_file("suspend", S_IRUSR | S_IWUSR, data->dir,

				   &debug_suspend_fops);

					data, &debug_suspend_fops);

	if (temp == NULL || IS_ERR(temp)) {

		pr_err("debugfs_create_file failed: rc=%ld\n", PTR_ERR(temp));

		err = PTR_ERR(temp);

		goto free_debug_dir;

	}



	temp = debugfs_create_file("dump_info", S_IRUSR | S_IWUSR, data->dir,

					data, &debug_dump_info_fops);

	if (temp == NULL || IS_ERR(temp)) {

	if (temp == NULL || IS_ERR(temp)) {

		pr_err("debugfs_create_file failed: rc=%ld\n", PTR_ERR(temp));

		pr_err("debugfs_create_file failed: rc=%ld\n", PTR_ERR(temp));

		err = PTR_ERR(temp);

		err = PTR_ERR(temp);

		goto free_debug_dir;

		goto free_debug_dir;

	}

	}





	data->ts_info = kzalloc(FT_INFO_MAX_LEN, GFP_KERNEL);

	if (!data->ts_info)

		goto free_debug_dir;



	/*get some register information */

	reg_addr = FT_REG_POINT_RATE;

	ft5x06_i2c_read(client, &reg_addr, 1, &reg_value, 1);

	if (err < 0)

		dev_err(&client->dev, "report rate read failed");



	dev_info(&client->dev, "report rate = %dHz\n", reg_value * 10);



	reg_addr = FT_REG_THGROUP;

	err = ft5x06_i2c_read(client, &reg_addr, 1, &reg_value, 1);

	if (err < 0)

		dev_err(&client->dev, "threshold read failed");



	dev_dbg(&client->dev, "touch threshold = %d\n", reg_value * 4);



	reg_addr = FT_REG_FW_VER;

	err = ft5x06_i2c_read(client, &reg_addr, 1, &reg_value, 1);

	if (err < 0)

		dev_err(&client->dev, "version read failed");



	dev_info(&client->dev, "Firmware version = 0x%x\n", reg_value);



	FT_STORE_TS_INFO(data->ts_info, data->family_id, reg_value);



#if defined(CONFIG_FB)

#if defined(CONFIG_FB)

	data->fb_notif.notifier_call = fb_notifier_callback;

	data->fb_notif.notifier_call = fb_notifier_callback;
@@ -1453,6 +1498,7 @@ static int ft5x06_ts_remove(struct i2c_client *client) 
		ft5x06_power_init(data, false);

		ft5x06_power_init(data, false);





	input_unregister_device(data->input_dev);

	input_unregister_device(data->input_dev);

	kfree(data->ts_info);

	kfree(data);

	kfree(data);





	return 0;

	return 0;