summaryrefslogtreecommitdiff
path: root/drivers/input/touchscreen/raspberrypi-ts.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/touchscreen/raspberrypi-ts.c')
-rw-r--r--drivers/input/touchscreen/raspberrypi-ts.c47
1 files changed, 23 insertions, 24 deletions
diff --git a/drivers/input/touchscreen/raspberrypi-ts.c b/drivers/input/touchscreen/raspberrypi-ts.c
index 69881265d121..841d39a449b3 100644
--- a/drivers/input/touchscreen/raspberrypi-ts.c
+++ b/drivers/input/touchscreen/raspberrypi-ts.c
@@ -16,7 +16,6 @@
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/input/mt.h>
-#include <linux/input-polldev.h>
#include <linux/input/touchscreen.h>
#include <soc/bcm2835/raspberrypi-firmware.h>
@@ -34,7 +33,7 @@
struct rpi_ts {
struct platform_device *pdev;
- struct input_polled_dev *poll_dev;
+ struct input_dev *input;
struct touchscreen_properties prop;
void __iomem *fw_regs_va;
@@ -57,10 +56,9 @@ struct rpi_ts_regs {
} point[RPI_TS_MAX_SUPPORTED_POINTS];
};
-static void rpi_ts_poll(struct input_polled_dev *dev)
+static void rpi_ts_poll(struct input_dev *input)
{
- struct input_dev *input = dev->input;
- struct rpi_ts *ts = dev->private;
+ struct rpi_ts *ts = input_get_drvdata(input);
struct rpi_ts_regs regs;
int modified_ids = 0;
long released_ids;
@@ -102,7 +100,7 @@ static void rpi_ts_poll(struct input_polled_dev *dev)
released_ids = ts->known_ids & ~modified_ids;
for_each_set_bit(i, &released_ids, RPI_TS_MAX_SUPPORTED_POINTS) {
input_mt_slot(input, i);
- input_mt_report_slot_state(input, MT_TOOL_FINGER, 0);
+ input_mt_report_slot_inactive(input);
modified_ids &= ~(BIT(i));
}
ts->known_ids = modified_ids;
@@ -123,22 +121,19 @@ static int rpi_ts_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
- struct input_polled_dev *poll_dev;
- struct device_node *fw_node;
- struct rpi_firmware *fw;
struct input_dev *input;
+ struct rpi_firmware *fw;
struct rpi_ts *ts;
u32 touchbuf;
int error;
- fw_node = of_get_parent(np);
+ struct device_node *fw_node __free(device_node) = of_get_parent(np);
if (!fw_node) {
dev_err(dev, "Missing firmware node\n");
return -ENOENT;
}
- fw = rpi_firmware_get(fw_node);
- of_node_put(fw_node);
+ fw = devm_rpi_firmware_get(&pdev->dev, fw_node);
if (!fw)
return -EPROBE_DEFER;
@@ -160,29 +155,25 @@ static int rpi_ts_probe(struct platform_device *pdev)
return error;
}
-
touchbuf = (u32)ts->fw_regs_phys;
error = rpi_firmware_property(fw, RPI_FIRMWARE_FRAMEBUFFER_SET_TOUCHBUF,
&touchbuf, sizeof(touchbuf));
-
if (error || touchbuf != 0) {
dev_warn(dev, "Failed to set touchbuf, %d\n", error);
return error;
}
- poll_dev = devm_input_allocate_polled_device(dev);
- if (!poll_dev) {
+ input = devm_input_allocate_device(dev);
+ if (!input) {
dev_err(dev, "Failed to allocate input device\n");
return -ENOMEM;
}
- ts->poll_dev = poll_dev;
- input = poll_dev->input;
+
+ ts->input = input;
+ input_set_drvdata(input, ts);
input->name = "raspberrypi-ts";
input->id.bustype = BUS_HOST;
- poll_dev->poll_interval = RPI_TS_POLL_INTERVAL;
- poll_dev->poll = rpi_ts_poll;
- poll_dev->private = ts;
input_set_abs_params(input, ABS_MT_POSITION_X, 0,
RPI_TS_DEFAULT_WIDTH, 0, 0);
@@ -197,7 +188,15 @@ static int rpi_ts_probe(struct platform_device *pdev)
return error;
}
- error = input_register_polled_device(poll_dev);
+ error = input_setup_polling(input, rpi_ts_poll);
+ if (error) {
+ dev_err(dev, "could not set up polling mode, %d\n", error);
+ return error;
+ }
+
+ input_set_poll_interval(input, RPI_TS_POLL_INTERVAL);
+
+ error = input_register_device(input);
if (error) {
dev_err(dev, "could not register input device, %d\n", error);
return error;
@@ -214,10 +213,10 @@ MODULE_DEVICE_TABLE(of, rpi_ts_match);
static struct platform_driver rpi_ts_driver = {
.driver = {
- .name = "raspberrypi-ts",
+ .name = "raspberrypi-ts",
.of_match_table = rpi_ts_match,
},
- .probe = rpi_ts_probe,
+ .probe = rpi_ts_probe,
};
module_platform_driver(rpi_ts_driver);