[PATCH] macintosh/ams-input: switch to using input device polling mode

[Dmitry Torokhov]

Now that instances of input_dev support polling mode natively,
we no longer need to create input_polled_dev instance.

Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com>
---
 drivers/macintosh/Kconfig         |  1 -
 drivers/macintosh/ams/ams-input.c | 37 +++++++++++++++----------------
 drivers/macintosh/ams/ams.h       |  4 ++--
 3 files changed, 20 insertions(+), 22 deletions(-)

diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index 574e122ae105..da6a943ad746 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -247,7 +247,6 @@ config PMAC_RACKMETER
 config SENSORS_AMS
        tristate "Apple Motion Sensor driver"
        depends on PPC_PMAC && !PPC64 && INPUT && ((ADB_PMU && I2C = y) || 
(ADB_PMU && !I2C) || I2C)
-       select INPUT_POLLDEV
        help
          Support for the motion sensor included in PowerBooks. Includes
          implementations for PMU and I2C.
diff --git a/drivers/macintosh/ams/ams-input.c 
b/drivers/macintosh/ams/ams-input.c
index 06a96b3f11de..0da493d449b2 100644
--- a/drivers/macintosh/ams/ams-input.c
+++ b/drivers/macintosh/ams/ams-input.c
@@ -25,9 +25,8 @@ MODULE_PARM_DESC(invert, "Invert input data on X and Y axis");
 
 static DEFINE_MUTEX(ams_input_mutex);
 
-static void ams_idev_poll(struct input_polled_dev *dev)
+static void ams_idev_poll(struct input_dev *idev)
 {
-       struct input_dev *idev = dev->input;
        s8 x, y, z;
 
        mutex_lock(&ams_info.lock);
@@ -59,14 +58,10 @@ static int ams_input_enable(void)
        ams_info.ycalib = y;
        ams_info.zcalib = z;
 
-       ams_info.idev = input_allocate_polled_device();
-       if (!ams_info.idev)
+       input = input_allocate_device();
+       if (!input)
                return -ENOMEM;
 
-       ams_info.idev->poll = ams_idev_poll;
-       ams_info.idev->poll_interval = 25;
-
-       input = ams_info.idev->input;
        input->name = "Apple Motion Sensor";
        input->id.bustype = ams_info.bustype;
        input->id.vendor = 0;
@@ -75,28 +70,32 @@ static int ams_input_enable(void)
        input_set_abs_params(input, ABS_X, -50, 50, 3, 0);
        input_set_abs_params(input, ABS_Y, -50, 50, 3, 0);
        input_set_abs_params(input, ABS_Z, -50, 50, 3, 0);
+       input_set_capability(input, EV_KEY, BTN_TOUCH);
 
-       set_bit(EV_ABS, input->evbit);
-       set_bit(EV_KEY, input->evbit);
-       set_bit(BTN_TOUCH, input->keybit);
+       error = input_setup_polling(input, ams_idev_poll);
+       if (error)
+               goto err_free_input;
 
-       error = input_register_polled_device(ams_info.idev);
-       if (error) {
-               input_free_polled_device(ams_info.idev);
-               ams_info.idev = NULL;
-               return error;
-       }
+       input_set_poll_interval(input, 25);
 
+       error = input_register_device(input);
+       if (error)
+               goto err_free_input;
+
+       ams_info.idev = input;
        joystick = true;
 
        return 0;
+
+err_free_input:
+       input_free_device(input);
+       return error;
 }
 
 static void ams_input_disable(void)
 {
        if (ams_info.idev) {
-               input_unregister_polled_device(ams_info.idev);
-               input_free_polled_device(ams_info.idev);
+               input_unregister_device(ams_info.idev);
                ams_info.idev = NULL;
        }
 
diff --git a/drivers/macintosh/ams/ams.h b/drivers/macintosh/ams/ams.h
index fe8d596f9845..935bdd9cd9a6 100644
--- a/drivers/macintosh/ams/ams.h
+++ b/drivers/macintosh/ams/ams.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/i2c.h>
-#include <linux/input-polldev.h>
+#include <linux/input.h>
 #include <linux/kthread.h>
 #include <linux/mutex.h>
 #include <linux/spinlock.h>
@@ -51,7 +51,7 @@ struct ams {
 #endif
 
        /* Joystick emulation */
-       struct input_polled_dev *idev;
+       struct input_dev *idev;
        __u16 bustype;
 
        /* calibrated null values */
-- 
2.23.0.444.g18eeb5a265-goog


-- 
Dmitry