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

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@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191002214854.GA114387@dtor-ws
This commit is contained in:
Dmitry Torokhov 2019-10-02 14:48:54 -07:00 committed by Michael Ellerman
parent 0755e85570
commit 0c444d98ef
3 changed files with 20 additions and 22 deletions
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1
drivers/macintosh/Kconfig
View File

@ -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.

37
drivers/macintosh/ams/ams-input.c
View File

@ -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;
}

4
drivers/macintosh/ams/ams.h
View File

@ -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 */