[PATCH v3 5/6] Input: edt-ft5x06 - show firmware version by sysfs

Dario Binacchi
2022-03-13T16:35:43Z

The firmware version was printed only if debug mode was enabled. Now you
can always get it from sysfs.

Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Acked-by: Oliver Graute <oliver.graute@kococonnector.com>
---

(no changes since v1)

drivers/input/touchscreen/edt-ft5x06.c | 22 +++++++++++++++++-----
1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 89157deebfcb..bab92344b2ea 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -129,6 +129,7 @@ struct edt_ft5x06_ts_data {
int max_support_points;

char name[EDT_NAME_LEN];
+ char fw_version[EDT_NAME_LEN];

struct edt_reg_addr reg_addr;
enum edt_ver version;
@@ -540,6 +541,17 @@ static ssize_t model_show(struct device *dev, struct device_attribute *attr,

static DEVICE_ATTR_RO(model);

+static ssize_t fw_version_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);
+
+ return scnprintf(buf, PAGE_SIZE, "%s\n", tsdata->fw_version);
+}
+
+static DEVICE_ATTR_RO(fw_version);
+
static struct attribute *edt_ft5x06_attrs[] = {
&edt_ft5x06_attr_gain.dattr.attr,
&edt_ft5x06_attr_offset.dattr.attr,
@@ -548,6 +560,7 @@ static struct attribute *edt_ft5x06_attrs[] = {
&edt_ft5x06_attr_threshold.dattr.attr,
&edt_ft5x06_attr_report_rate.dattr.attr,
&dev_attr_model.attr,
+ &dev_attr_fw_version.attr,
NULL
};

@@ -834,13 +847,13 @@ static void edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)
#endif /* CONFIG_DEBUGFS */

static int edt_ft5x06_ts_identify(struct i2c_client *client,
- struct edt_ft5x06_ts_data *tsdata,
- char *fw_version)
+ struct edt_ft5x06_ts_data *tsdata)
{
u8 rdbuf[EDT_NAME_LEN];
char *p;
int error;
char *model_name = tsdata->name;
+ char *fw_version = tsdata->fw_version;

/* see what we find if we assume it is a M06 *
* if we get less than EDT_NAME_LEN, we don't want
@@ -1097,7 +1110,6 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
unsigned long irq_flags;
int error;
u32 report_rate;
- char fw_version[EDT_NAME_LEN];

dev_dbg(&client->dev, "probing for EDT FT5x06 I2C\n");

@@ -1210,7 +1222,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
tsdata->input = input;
tsdata->factory_mode = false;

- error = edt_ft5x06_ts_identify(client, tsdata, fw_version);
+ error = edt_ft5x06_ts_identify(client, tsdata);
if (error) {
dev_err(&client->dev, "touchscreen probe failed\n");
return error;
@@ -1257,7 +1269,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,

dev_dbg(&client->dev,
"Model \"%s\", Rev. \"%s\", %dx%d sensors\n",
- tsdata->name, fw_version, tsdata->num_x, tsdata->num_y);
+ tsdata->name, tsdata->fw_version, tsdata->num_x, tsdata->num_y);

input->name = tsdata->name;
input->id.bustype = BUS_I2C;
--
2.32.0