Input: tsc6507x-ts - switch to using polled mode of input devices

We have added polled mode to the normal input devices with the intent of
retiring input_polled_dev. This converts tsc6507x-ts driver to use the
polling mode of standard input devices and removes dependency on
INPUT_POLLDEV.

Link: https://lore.kernel.org/r/20191017204217.106453-5-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 2c00232..40bfc55 100644 (file)
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -1243,7 +1243,6 @@ config TOUCHSCREEN_SX8654
 config TOUCHSCREEN_TPS6507X
        tristate "TPS6507x based touchscreens"
        depends on I2C
-       select INPUT_POLLDEV
        help
          Say Y here if you have a TPS6507x based touchscreen
          controller.

diff --git a/drivers/input/touchscreen/tps6507x-ts.c b/drivers/input/touchscreen/tps6507x-ts.c
index 75170a7..357a310 100644 (file)
--- a/drivers/input/touchscreen/tps6507x-ts.c
+++ b/drivers/input/touchscreen/tps6507x-ts.c
@@ -17,7 +17,6 @@
 #include <linux/workqueue.h>
 #include <linux/slab.h>
 #include <linux/input.h>
-#include <linux/input-polldev.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/tps6507x.h>
 #include <linux/input/tps6507x-ts.h>
@@ -40,7 +39,7 @@ struct ts_event {
 
 struct tps6507x_ts {
        struct device           *dev;
-       struct input_polled_dev *poll_dev;
+       struct input_dev        *input;
        struct tps6507x_dev     *mfd;
        char                    phys[32];
        struct ts_event         tc;
@@ -148,10 +147,9 @@ static s32 tps6507x_adc_standby(struct tps6507x_ts *tsc)
        return ret;
 }
 
-static void tps6507x_ts_poll(struct input_polled_dev *poll_dev)
+static void tps6507x_ts_poll(struct input_dev *input_dev)
 {
-       struct tps6507x_ts *tsc = poll_dev->private;
-       struct input_dev *input_dev = poll_dev->input;
+       struct tps6507x_ts *tsc = input_get_drvdata(input_dev);
        bool pendown;
        s32 ret;
 
@@ -205,7 +203,6 @@ static int tps6507x_ts_probe(struct platform_device *pdev)
        const struct tps6507x_board *tps_board;
        const struct touchscreen_init_data *init_data;
        struct tps6507x_ts *tsc;
-       struct input_polled_dev *poll_dev;
        struct input_dev *input_dev;
        int error;
 
@@ -240,23 +237,16 @@ static int tps6507x_ts_probe(struct platform_device *pdev)
        snprintf(tsc->phys, sizeof(tsc->phys),
                 "%s/input0", dev_name(tsc->dev));
 
-       poll_dev = devm_input_allocate_polled_device(&pdev->dev);
-       if (!poll_dev) {
+       input_dev = devm_input_allocate_device(&pdev->dev);
+       if (!input_dev) {
                dev_err(tsc->dev, "Failed to allocate polled input device.\n");
                return -ENOMEM;
        }
 
-       tsc->poll_dev = poll_dev;
-
-       poll_dev->private = tsc;
-       poll_dev->poll = tps6507x_ts_poll;
-       poll_dev->poll_interval = init_data ?
-                       init_data->poll_period : TSC_DEFAULT_POLL_PERIOD;
-
-       input_dev = poll_dev->input;
-       input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
-       input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+       tsc->input = input_dev;
+       input_set_drvdata(input_dev, tsc);
 
+       input_set_capability(input_dev, EV_KEY, BTN_TOUCH);
        input_set_abs_params(input_dev, ABS_X, 0, MAX_10BIT, 0, 0);
        input_set_abs_params(input_dev, ABS_Y, 0, MAX_10BIT, 0, 0);
        input_set_abs_params(input_dev, ABS_PRESSURE, 0, MAX_10BIT, 0, 0);
@@ -275,7 +265,15 @@ static int tps6507x_ts_probe(struct platform_device *pdev)
        if (error)
                return error;
 
-       error = input_register_polled_device(poll_dev);
+       error = input_setup_polling(input_dev, tps6507x_ts_poll);
+       if (error)
+               return error;
+
+       input_set_poll_interval(input_dev,
+                               init_data ? init_data->poll_period :
+                                           TSC_DEFAULT_POLL_PERIOD);
+
+       error = input_register_device(input_dev);
        if (error)
                return error;