[PATCH v4 7/7] Input: synaptics-rmi4 - add package_id sysfs attribute

From: Nick Dyer
Date: Tue Oct 18 2016 - 19:26:27 EST


Signed-off-by: Nick Dyer <nick@xxxxxxxxxxxxx>
---
drivers/input/rmi4/rmi_driver.h | 1 +
drivers/input/rmi4/rmi_f01.c | 24 +++++++++++++++++++++++-
drivers/input/rmi4/rmi_f34.c | 16 ++++++++++++++++
3 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/drivers/input/rmi4/rmi_driver.h b/drivers/input/rmi4/rmi_driver.h
index e22a77f..85cdb70 100644
--- a/drivers/input/rmi4/rmi_driver.h
+++ b/drivers/input/rmi4/rmi_driver.h
@@ -109,6 +109,7 @@ const char *rmi_f01_get_product_ID(struct rmi_function *fn);
u8 rmi_f01_get_manufacturer_ID(struct rmi_function *fn);
const char *rmi_f01_get_date_of_manufacture(struct rmi_function *fn);
u32 rmi_f01_get_firmware_ID(struct rmi_function *fn);
+u32 rmi_f01_get_package_ID(struct rmi_function *fn);

#ifdef CONFIG_RMI4_F34
int rmi_f34_create_sysfs(struct rmi_device *rmi_dev);
diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c
index 8624be8..463c810 100644
--- a/drivers/input/rmi4/rmi_f01.c
+++ b/drivers/input/rmi4/rmi_f01.c
@@ -54,6 +54,7 @@ struct f01_basic_properties {
u8 product_id[RMI_PRODUCT_ID_LENGTH + 1];
u16 productinfo;
u32 firmware_id;
+ u32 package_id;
};

/* F01 device status bits */
@@ -220,8 +221,22 @@ static int rmi_f01_read_properties(struct rmi_device *rmi_dev,
has_build_id_query = !!(queries[0] & BIT(1));
}

- if (has_package_id_query)
+ if (has_package_id_query) {
+ ret = rmi_read_block(rmi_dev, prod_info_addr,
+ queries, 4);
+ if (ret) {
+ dev_err(&rmi_dev->dev,
+ "Failed to read package info: %d\n",
+ ret);
+ return ret;
+ }
+
+ props->package_id = queries[3] << 24 |
+ queries[2] << 16 |
+ queries[1] << 8 |
+ queries[0];
prod_info_addr++;
+ }

if (has_build_id_query) {
ret = rmi_read_block(rmi_dev, prod_info_addr, queries,
@@ -269,6 +284,13 @@ u32 rmi_f01_get_firmware_ID(struct rmi_function *fn)
return f01->properties.firmware_id;
}

+u32 rmi_f01_get_package_ID(struct rmi_function *fn)
+{
+ struct f01_data *f01 = dev_get_drvdata(&fn->dev);
+
+ return f01->properties.package_id;
+}
+
#ifdef CONFIG_OF
static int rmi_f01_of_probe(struct device *dev,
struct rmi_device_platform_data *pdata)
diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c
index 10b9722..9840968 100644
--- a/drivers/input/rmi4/rmi_f34.c
+++ b/drivers/input/rmi4/rmi_f34.c
@@ -486,6 +486,21 @@ static ssize_t rmi_driver_configuration_id_show(struct device *dev,
static DEVICE_ATTR(configuration_id, 0444,
rmi_driver_configuration_id_show, NULL);

+static ssize_t rmi_driver_package_id_show(struct device *dev,
+ struct device_attribute *dattr,
+ char *buf)
+{
+ struct rmi_driver_data *data = dev_get_drvdata(dev);
+ struct rmi_function *fn = data->f01_container;
+
+ u32 package_id = rmi_f01_get_package_ID(fn);
+
+ return scnprintf(buf, PAGE_SIZE, "%04x.%04x\n",
+ package_id & 0xffff, (package_id >> 16) & 0xffff);
+}
+
+static DEVICE_ATTR(package_id, 0444, rmi_driver_package_id_show, NULL);
+
static int rmi_firmware_update(struct rmi_driver_data *data,
const struct firmware *fw);

@@ -545,6 +560,7 @@ static struct attribute *rmi_firmware_attrs[] = {
&dev_attr_manufacturer_id.attr,
&dev_attr_date_of_manufacture.attr,
&dev_attr_product_id.attr,
+ &dev_attr_package_id.attr,
&dev_attr_firmware_id.attr,
&dev_attr_update_fw.attr,
&dev_attr_update_fw_status.attr,
--
2.7.4