mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
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182 lines
6.0 KiB
Diff
182 lines
6.0 KiB
Diff
From fe160e51f02ee5db529c2e84ac8364c89cce005e Mon Sep 17 00:00:00 2001
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From: Andrew Chant <achant@google.com>
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Date: Tue, 6 Dec 2016 20:59:01 -0800
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Subject: [PATCH] input: synaptics_dsx: remove some sysfs nodes.
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Remove most sysfs entrypoints to fw_update module.
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Retains check_fw, which is triggered from an
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init script.
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BUG: 32769717
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Change-Id: I710cb37a8b5382dce7aa6a1d8748be5853a18a7a
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Signed-off-by: Andrew Chant <achant@google.com>
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---
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drivers/input/touchscreen/Kconfig | 10 ++++++++++
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drivers/input/touchscreen/synaptics_fw_update.c | 20 ++++++++++++++++++++
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2 files changed, 30 insertions(+)
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diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
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index a42fea5862af2..64266998c2290 100644
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--- a/drivers/input/touchscreen/Kconfig
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+++ b/drivers/input/touchscreen/Kconfig
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@@ -1019,6 +1019,16 @@ config TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE
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To compile this driver as a module, choose M here: the
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module will be called synaptics_dsx_fw_update.
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+config TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
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+ bool "Synaptics DSX firmware update extra sysfs attributes"
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+ depends on TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE
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+ help
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+ Say Y here to enable support for extra sysfs attributes
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+ supporting firmware update in a development environment.
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+ This does not affect the core or other subsystem attributes.
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+
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+ If unsure, say N.
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+
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config SECURE_TOUCH
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bool "Secure Touch"
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depends on (TOUCHSCREEN_ATMEL_MXT || TOUCHSCREEN_SYNAPTICS_I2C_RMI4 || \
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diff --git a/drivers/input/touchscreen/synaptics_fw_update.c b/drivers/input/touchscreen/synaptics_fw_update.c
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index 8891f1c836684..360e455a5a51b 100644
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--- a/drivers/input/touchscreen/synaptics_fw_update.c
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+++ b/drivers/input/touchscreen/synaptics_fw_update.c
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@@ -1331,6 +1331,7 @@ static int fwu_do_write_config(void)
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return retval;
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}
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+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
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static int fwu_start_write_config(void)
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{
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int retval;
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@@ -1383,6 +1384,7 @@ static int fwu_start_write_config(void)
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return retval;
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}
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+#endif
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static int fwu_do_write_lockdown(bool reset)
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{
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@@ -1430,6 +1432,7 @@ static int fwu_do_write_lockdown(bool reset)
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return retval;
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}
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+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
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static int fwu_start_write_lockdown(void)
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{
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if (parse_header())
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@@ -1533,6 +1536,7 @@ static int fwu_do_read_config(void)
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exit:
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return retval;
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}
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+#endif
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static int fwu_do_reflash(void)
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{
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@@ -1767,6 +1771,7 @@ int synaptics_fw_updater(void)
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}
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EXPORT_SYMBOL(synaptics_fw_updater);
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+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
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static ssize_t fwu_sysfs_show_image(struct file *data_file,
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struct kobject *kobj, struct bin_attribute *attributes,
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char *buf, loff_t pos, size_t count)
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@@ -2021,6 +2026,7 @@ static ssize_t fwu_sysfs_write_lockdown_store(struct device *dev,
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mutex_unlock(&fwu_sysfs_mutex);
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return retval;
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}
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+#endif
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static ssize_t fwu_sysfs_check_fw_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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@@ -2044,6 +2050,7 @@ static ssize_t fwu_sysfs_check_fw_store(struct device *dev,
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return count;
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}
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+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
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static ssize_t fwu_sysfs_write_config_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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@@ -2265,6 +2272,7 @@ static ssize_t fwu_sysfs_package_id_show(struct device *dev,
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(pkg_id[1] << 8) | pkg_id[0],
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(pkg_id[3] << 8) | pkg_id[2]);
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}
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+#endif
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static int synaptics_rmi4_debug_dump_info(struct seq_file *m, void *v)
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{
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@@ -2298,6 +2306,7 @@ static void synaptics_rmi4_fwu_attn(struct synaptics_rmi4_data *rmi4_data,
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return;
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}
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+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
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static struct bin_attribute dev_attr_data = {
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.attr = {
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.name = "data",
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@@ -2307,8 +2316,10 @@ static struct bin_attribute dev_attr_data = {
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.read = fwu_sysfs_show_image,
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.write = fwu_sysfs_store_image,
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};
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+#endif
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static struct device_attribute attrs[] = {
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+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
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__ATTR(fw_name, S_IRUGO | S_IWUSR | S_IWGRP,
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fwu_sysfs_image_name_show,
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fwu_sysfs_image_name_store),
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@@ -2318,9 +2329,11 @@ static struct device_attribute attrs[] = {
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__ATTR(update_fw, S_IWUSR | S_IWGRP,
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NULL,
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fwu_sysfs_do_reflash_store),
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+#endif
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__ATTR(check_fw, S_IWUSR | S_IWGRP,
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NULL,
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fwu_sysfs_check_fw_store),
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+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
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__ATTR(writeconfig, S_IWUSR | S_IWGRP,
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NULL,
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fwu_sysfs_write_config_store),
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@@ -2360,6 +2373,7 @@ static struct device_attribute attrs[] = {
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__ATTR(package_id, S_IRUGO,
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fwu_sysfs_package_id_show,
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synaptics_rmi4_store_error),
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+#endif
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};
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@@ -2470,6 +2484,7 @@ static int synaptics_rmi4_fwu_init(struct synaptics_rmi4_data *rmi4_data)
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INIT_DELAYED_WORK(&fwu->fwu_work, synaptics_rmi4_fwu_work);
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#endif
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+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
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retval = sysfs_create_bin_file(&rmi4_data->i2c_client->dev.kobj,
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&dev_attr_data);
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if (retval < 0) {
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@@ -2478,6 +2493,7 @@ static int synaptics_rmi4_fwu_init(struct synaptics_rmi4_data *rmi4_data)
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__func__);
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goto exit_free_mem;
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}
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+#endif
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for (attr_count = 0; attr_count < ARRAY_SIZE(attrs); attr_count++) {
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retval = sysfs_create_file(&rmi4_data->i2c_client->dev.kobj,
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@@ -2511,7 +2527,9 @@ static int synaptics_rmi4_fwu_init(struct synaptics_rmi4_data *rmi4_data)
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&attrs[attr_count].attr);
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}
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+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
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sysfs_remove_bin_file(&rmi4_data->input_dev->dev.kobj, &dev_attr_data);
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+#endif
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exit_free_mem:
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kfree(fwu->fn_ptr);
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@@ -2528,7 +2546,9 @@ static void synaptics_rmi4_fwu_remove(struct synaptics_rmi4_data *rmi4_data)
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{
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unsigned char attr_count;
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+#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE_EXTRA_SYSFS
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sysfs_remove_bin_file(&rmi4_data->input_dev->dev.kobj, &dev_attr_data);
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+#endif
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for (attr_count = 0; attr_count < ARRAY_SIZE(attrs); attr_count++) {
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sysfs_remove_file(&rmi4_data->input_dev->dev.kobj,
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