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Commit 77a88c15 authored by Sarada Prasanna Garnayak's avatar Sarada Prasanna Garnayak Committed by Stephen Boyd
Browse files

input: atmel_mxt_ts: Add debugfs support for suspend/resume. 



Debugfs entry for touch device suspend/resume test.

Change-Id: I8b6349c0b0d7f53345171978ce37210f19de47a1
Signed-off-by: default avatarSarada Prasanna Garnayak <c_sgarna@codeaurora.org>
parent 251aab34

drivers/input/touchscreen/atmel_mxt_ts.c

+39 −3
Original line number Diff line number Diff line
@@ -319,8 +319,9 @@ enum mxt_device_state { INIT, APPMODE, BOOTLOADER }; 


#define MXT_COORDS_ARR_SIZE	4



#define MXT_DEBUGFS_DIR		"atmel_mxt_ts"

#define MXT_DEBUGFS_FILE	"object"

#define MXT_DEBUGFS_DIR	"ts_debug"

#define MXT_DEBUGFS_FILE_OBJ	"object"

#define MXT_DEBUGFS_FILE_SUSPEND	"suspend"



struct mxt_info {

	u8 family_id;
@@ -2620,6 +2621,32 @@ static const struct dev_pm_ops mxt_pm_ops = { 
};

#endif



static int mxt_debug_suspend_set(void *_data, u64 val)

{

	struct mxt_data *data = _data;



	if (val)

		mxt_suspend(&data->client->dev);

	else

		mxt_resume(&data->client->dev);



	return 0;

}



static int mxt_debug_suspend_get(void *_data, u64 *val)

{

	struct mxt_data *data = _data;



	mutex_lock(&data->input_dev->mutex);

	*val = data->dev_sleep;

	mutex_unlock(&data->input_dev->mutex);



	return 0;

}



DEFINE_SIMPLE_ATTRIBUTE(debug_suspend_fops, mxt_debug_suspend_get,

			mxt_debug_suspend_set, "%lld\n");



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

{

	struct mxt_data *data = m->private;
@@ -2676,7 +2703,7 @@ static void mxt_debugfs_init(struct mxt_data *data) 
	debug_base = debugfs_create_dir(MXT_DEBUGFS_DIR, NULL);

	if (IS_ERR_OR_NULL(debug_base))

		pr_err("atmel_mxt_ts: Failed to create debugfs dir\n");

	if (IS_ERR_OR_NULL(debugfs_create_file(MXT_DEBUGFS_FILE,

	if (IS_ERR_OR_NULL(debugfs_create_file(MXT_DEBUGFS_FILE_OBJ,

					       0444,

					       debug_base,

					       data,
@@ -2684,6 +2711,15 @@ static void mxt_debugfs_init(struct mxt_data *data) 
		pr_err("atmel_mxt_ts: Failed to create object file\n");

		debugfs_remove_recursive(debug_base);

	}



	if (IS_ERR_OR_NULL(debugfs_create_file(MXT_DEBUGFS_FILE_SUSPEND,

					       0664,

					       debug_base,

					       data,

					       &debug_suspend_fops))) {

		pr_err("atmel_mxt_ts: Failed to create suspend file\n");

		debugfs_remove_recursive(debug_base);

	}

}



#ifdef CONFIG_OF