Input: pixcir_i2c_ts - get rid of pdata->attb_read_val()
Get rid of the attb_read_val() platform hook. Instead, read the ATTB gpio
directly from the driver.
Fail if valid ATTB gpio is not provided by patform data.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c
index 6c6f6da..f2c0ae1 100644
--- a/drivers/input/touchscreen/pixcir_i2c_ts.c
+++ b/drivers/input/touchscreen/pixcir_i2c_ts.c
@@ -24,6 +24,7 @@
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/input/pixcir_ts.h>
+#include <linux/gpio.h>
struct pixcir_i2c_ts_data {
struct i2c_client *client;
@@ -87,11 +88,12 @@
static irqreturn_t pixcir_ts_isr(int irq, void *dev_id)
{
struct pixcir_i2c_ts_data *tsdata = dev_id;
+ const struct pixcir_ts_platform_data *pdata = tsdata->chip;
while (tsdata->running) {
pixcir_ts_poscheck(tsdata);
- if (tsdata->chip->attb_read_val())
+ if (gpio_get_value(pdata->gpio_attb))
break;
msleep(20);
@@ -298,6 +300,11 @@
return -EINVAL;
}
+ if (!gpio_is_valid(pdata->gpio_attb)) {
+ dev_err(dev, "Invalid gpio_attb in pdata\n");
+ return -EINVAL;
+ }
+
tsdata = devm_kzalloc(dev, sizeof(*tsdata), GFP_KERNEL);
if (!tsdata)
return -ENOMEM;
@@ -328,6 +335,13 @@
input_set_drvdata(input, tsdata);
+ error = devm_gpio_request_one(dev, pdata->gpio_attb,
+ GPIOF_DIR_IN, "pixcir_i2c_attb");
+ if (error) {
+ dev_err(dev, "Failed to request ATTB gpio\n");
+ return error;
+ }
+
error = devm_request_threaded_irq(dev, client->irq, NULL, pixcir_ts_isr,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
client->name, tsdata);
