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

From: Dmitry Torokhov
Date: Wed Oct 02 2019 - 17:49:01 EST


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.torokhov@xxxxxxxxx>
---
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