Port hid-emsff to ff-memless-next
Signed-off-by: Michal Malý <madcatxster@xxxxxxxxxxxxxxxxxx>
---
drivers/hid/Kconfig | 2 +-
drivers/hid/hid-emsff.c | 38 ++++++++++++++++++++++++++------------
2 files changed, 27 insertions(+), 13 deletions(-)
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index e076627..a78b5d8 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -213,7 +213,7 @@ config DRAGONRISE_FF
config HID_EMS_FF
tristate "EMS Production Inc. force feedback support"
depends on HID
- select INPUT_FF_MEMLESS
+ select INPUT_FF_MEMLESS_NEXT
---help---
Say Y here if you want to enable force feedback support for devices by
EMS Production Ltd.
diff --git a/drivers/hid/hid-emsff.c b/drivers/hid/hid-emsff.c
index d82d75b..c0cbe50 100644
--- a/drivers/hid/hid-emsff.c
+++ b/drivers/hid/hid-emsff.c
@@ -24,30 +24,44 @@
#include <linux/hid.h>
#include <linux/input.h>
#include <linux/module.h>
+#include <linux/input/ff-memless-next.h>
#include "hid-ids.h"
+#define FF_UPDATE_RATE 50
+
struct emsff_device {
struct hid_report *report;
};
static int emsff_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 emsff_device *emsff = data;
+ const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
int weak, strong;
- weak = effect->u.rumble.weak_magnitude;
- strong = effect->u.rumble.strong_magnitude;
-
- dbg_hid("called with 0x%04x 0x%04x\n", strong, weak);
-
- weak = weak * 0xff / 0xffff;
- strong = strong * 0xff / 0xffff;
-
- emsff->report->field[0]->value[1] = weak;
- emsff->report->field[0]->value[2] = strong;
+ switch (command->cmd) {
+ case MLNX_START_RUMBLE:
+ weak = rumble_force->weak;
+ strong = rumble_force->strong;
+
+ dbg_hid("called with 0x%04x 0x%04x\n", strong, weak);
+
+ weak = weak * 0xff / 0xffff;
+ strong = strong * 0xff / 0xffff;
+
+ emsff->report->field[0]->value[1] = weak;
+ emsff->report->field[0]->value[2] = strong;
+ break;
+ case MLNX_STOP_RUMBLE:
+ weak = 0;
+ strong = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
dbg_hid("running with 0x%02x 0x%02x\n", strong, weak);
hid_hw_request(hid, emsff->report, HID_REQ_SET_REPORT);
@@ -88,7 +102,7 @@ static int emsff_init(struct hid_device *hid)
set_bit(FF_RUMBLE, dev->ffbit);
- error = input_ff_create_memless(dev, emsff, emsff_play);
+ error = input_ff_create_mlnx(dev, emsff, emsff_play, FF_UPDATE_RATE);
if (error) {
kfree(emsff);
return error;
--
1.9.2
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