input: touchscreen: synaptics_dsx: Remove fw_update sysfs entries

Remove the sysfs entrypoints to fw_update of synaptics_dsx
touch driver.

BUG: 32769717
Change-Id: I1b2ea28e6a8c5c6c583077fbc6801ebb17447a38
Git-commit: 2615c5f302441568e6dd20007bc5246d72837e80
Git-repo: https://android.googlesource.com/kernel/msm.git
Signed-off-by: Andrew Chant <achant@google.com>
Signed-off-by: Shantanu Jain <shjain@codeaurora.org>

2 files changed, 26 insertions, 0 deletions

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 075c18e0e4ae..1d4e8a4ce206 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -1128,6 +1128,16 @@ config TOUCHSCREEN_FT5X06_GESTURE
 
          If unsure, say N.
 
+config TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
+	bool "Synaptics DSX firmware update extra sysfs attributes"
+	depends on TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE
+	help
+	  Say Y here to enable support for extra sysfs attributes
+	  supporting firmware update in a development environment.
+	  This does not affect the core or other subsystem attributes.
+
+	  If unsure, say N.
+
 config TOUCHSCREEN_ROHM_BU21023
 	tristate "ROHM BU21023/24 Dual touch support resistive touchscreens"
 	depends on I2C
diff --git a/drivers/input/touchscreen/synaptics_dsx/synaptics_dsx_fw_update.c b/drivers/input/touchscreen/synaptics_dsx/synaptics_dsx_fw_update.c
index 0ec16e606545..4787f2bcd768 100644
--- a/drivers/input/touchscreen/synaptics_dsx/synaptics_dsx_fw_update.c
+++ b/drivers/input/touchscreen/synaptics_dsx/synaptics_dsx_fw_update.c
@@ -102,6 +102,7 @@
 		 (fwu->config_data[2] == config_id[2]) && \
 		 (fwu->config_data[3] == config_id[3]))
 
+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
 static ssize_t fwu_sysfs_show_image(struct file *data_file,
 		struct kobject *kobj, struct bin_attribute *attributes,
 		char *buf, loff_t pos, size_t count);
@@ -157,6 +158,7 @@ static ssize_t fwu_sysfs_config_id_show(struct device *dev,
 
 static ssize_t fwu_sysfs_package_id_show(struct device *dev,
 		struct device_attribute *attr, char *buf);
+#endif
 
 enum bl_version {
 	V5 = 5,
@@ -296,6 +298,7 @@ struct synaptics_rmi4_fwu_handle {
 	struct synaptics_rmi4_data *rmi4_data;
 };
 
+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
 static struct bin_attribute dev_attr_data = {
 	.attr = {
 		.name = "data",
@@ -305,9 +308,11 @@ static struct bin_attribute dev_attr_data = {
 	.read = fwu_sysfs_show_image,
 	.write = fwu_sysfs_store_image,
 };
+#endif
 
 
 static struct device_attribute attrs[] = {
+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
 	__ATTR(force_update_fw, S_IWUSR | S_IWGRP,
 			NULL,
 			fwu_sysfs_force_reflash_store),
@@ -353,6 +358,7 @@ static struct device_attribute attrs[] = {
 	__ATTR(package_id, S_IRUGO,
 			fwu_sysfs_package_id_show,
 			synaptics_rmi4_store_error),
+#endif
 };
 
 static struct synaptics_rmi4_fwu_handle *fwu;
@@ -1220,6 +1226,7 @@ write_config:
 	return retval;
 }
 
+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
 static int fwu_start_write_config(void)
 {
 	int retval;
@@ -1395,6 +1402,7 @@ exit:
 
 	return retval;
 }
+#endif
 
 static int fwu_do_lockdown(void)
 {
@@ -1585,6 +1593,7 @@ int synaptics_dsx_fw_updater(unsigned char *fw_data)
 }
 EXPORT_SYMBOL(synaptics_dsx_fw_updater);
 
+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
 static ssize_t fwu_sysfs_show_image(struct file *data_file,
 		struct kobject *kobj, struct bin_attribute *attributes,
 		char *buf, loff_t pos, size_t count)
@@ -1972,6 +1981,7 @@ static ssize_t fwu_sysfs_package_id_show(struct device *dev,
 			(package_id[1] << 8) | package_id[0],
 			(package_id[3] << 8) | package_id[2]);
 }
+#endif
 
 static void synaptics_rmi4_fwu_attn(struct synaptics_rmi4_data *rmi4_data,
 		unsigned char intr_mask)
@@ -2045,6 +2055,7 @@ static int synaptics_rmi4_fwu_init(struct synaptics_rmi4_data *rmi4_data)
 	fwu->do_lockdown = DO_LOCKDOWN;
 	fwu->initialized = true;
 
+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
 	retval = sysfs_create_bin_file(&rmi4_data->input_dev->dev.kobj,
 			&dev_attr_data);
 	if (retval < 0) {
@@ -2053,6 +2064,7 @@ static int synaptics_rmi4_fwu_init(struct synaptics_rmi4_data *rmi4_data)
 				__func__);
 		goto exit_free_fwu;
 	}
+#endif
 
 	for (attr_count = 0; attr_count < ARRAY_SIZE(attrs); attr_count++) {
 		retval = sysfs_create_file(&rmi4_data->input_dev->dev.kobj,
@@ -2074,7 +2086,9 @@ exit_remove_attrs:
 				&attrs[attr_count].attr);
 	}
 
+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
 	sysfs_remove_bin_file(&rmi4_data->input_dev->dev.kobj, &dev_attr_data);
+#endif
 
 exit_free_fwu:
 	kfree(fwu);
@@ -2096,7 +2110,9 @@ static void synaptics_rmi4_fwu_remove(struct synaptics_rmi4_data *rmi4_data)
 				&attrs[attr_count].attr);
 	}
 
+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
 	sysfs_remove_bin_file(&rmi4_data->input_dev->dev.kobj, &dev_attr_data);
+#endif
 
 	kfree(fwu->read_config_buf);
 	kfree(fwu);