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Subject[PATCH 19/24] Port hid-zpff to ff-memless-next
Date
Port hid-zpff to ff-memless-next

Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
---
drivers/hid/Kconfig | 2 +-
drivers/hid/hid-zpff.c | 30 ++++++++++++++++++++++--------
2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index d1cbad6..7d617a8 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -775,7 +775,7 @@ config HID_ZEROPLUS
config ZEROPLUS_FF
bool "Zeroplus based game controller force feedback support"
depends on HID_ZEROPLUS
- select INPUT_FF_MEMLESS
+ select INPUT_FF_MEMLESS_NEXT
---help---
Say Y here if you have a Zeroplus based game controller and want
to have force feedback support for it.
diff --git a/drivers/hid/hid-zpff.c b/drivers/hid/hid-zpff.c
index a29756c..6912500 100644
--- a/drivers/hid/hid-zpff.c
+++ b/drivers/hid/hid-zpff.c
@@ -25,9 +25,12 @@
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/input/ff-memless-next.h>

#include "hid-ids.h"

+#define FF_UPDATE_RATE 50
+
#ifdef CONFIG_ZEROPLUS_FF

struct zpff_device {
@@ -35,10 +38,11 @@ struct zpff_device {
};

static int zpff_play(struct input_dev *dev, void *data,
- struct ff_effect *effect)
+ const struct mlnx_effect_command *command)
{
struct hid_device *hid = input_get_drvdata(dev);
struct zpff_device *zpff = data;
+ const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
int left, right;

/*
@@ -47,12 +51,22 @@ static int zpff_play(struct input_dev *dev, void *data,
* however it is possible that the XFX Executioner is an exception
*/

- left = effect->u.rumble.strong_magnitude;
- right = effect->u.rumble.weak_magnitude;
- dbg_hid("called with 0x%04x 0x%04x\n", left, right);
-
- left = left * 0x7f / 0xffff;
- right = right * 0x7f / 0xffff;
+ switch (command->cmd) {
+ case MLNX_START_RUMBLE:
+ left = rumble_force->strong;
+ right = rumble_force->weak;
+ dbg_hid("called with 0x%04x 0x%04x\n", left, right);
+
+ left = left * 0x7f / 0xffff;
+ right = right * 0x7f / 0xffff;
+ break;
+ case MLNX_STOP_RUMBLE:
+ left = 0;
+ right = 0;
+ break;
+ default:
+ return -EINVAL;
+ }

zpff->report->field[2]->value[0] = left;
zpff->report->field[3]->value[0] = right;
@@ -83,7 +97,7 @@ static int zpff_init(struct hid_device *hid)

set_bit(FF_RUMBLE, dev->ffbit);

- error = input_ff_create_memless(dev, zpff, zpff_play);
+ error = input_ff_create_mlnx(dev, zpff, zpff_play, FF_UPDATE_RATE);
if (error) {
kfree(zpff);
return error;
--
1.9.1

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