Port hid-gaff to ff-memless-next

Signed-off-by: Michal Malý <madcatxs...@devoid-pointer.net>
---
 drivers/hid/Kconfig    |  2 +-
 drivers/hid/hid-gaff.c | 32 +++++++++++++++++++++++---------
 2 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 1d4180c..4c59a88 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -667,7 +667,7 @@ config HID_GREENASIA
 config GREENASIA_FF
        bool "GreenAsia (Product ID 0x12) force feedback support"
        depends on HID_GREENASIA
-       select INPUT_FF_MEMLESS
+       select INPUT_FF_MEMLESS_NEXT
        ---help---
        Say Y here if you have a GreenAsia (Product ID 0x12) based game 
controller
        (like MANTA Warrior MM816 and SpeedLink Strike2 SL-6635) or adapter
diff --git a/drivers/hid/hid-gaff.c b/drivers/hid/hid-gaff.c
index 2d8cead..f2f70c1 100644
--- a/drivers/hid/hid-gaff.c
+++ b/drivers/hid/hid-gaff.c
@@ -31,8 +31,11 @@
 #include <linux/slab.h>
 #include <linux/hid.h>
 #include <linux/module.h>
+#include <linux/input/ff-memless-next.h>
 #include "hid-ids.h"
 
+#define FF_UPDATE_RATE 50
+
 #ifdef CONFIG_GREENASIA_FF
 
 struct gaff_device {
@@ -40,19 +43,30 @@ struct gaff_device {
 };
 
 static int hid_gaff_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 gaff_device *gaff = data;
+       const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
        int left, right;
 
-       left = effect->u.rumble.strong_magnitude;
-       right = effect->u.rumble.weak_magnitude;
-
-       dbg_hid("called with 0x%04x 0x%04x", left, right);
-
-       left = left * 0xfe / 0xffff;
-       right = right * 0xfe / 0xffff;
+       switch (command->cmd) {
+       case MLNX_START_RUMBLE:
+               left = rumble_force->strong;
+               right = rumble_force->weak;
+
+               dbg_hid("called with 0x%04x 0x%04x", left, right);
+
+               left = left * 0xfe / 0xffff;
+               right = right * 0xfe / 0xffff;
+               break;
+       case MLNX_STOP_RUMBLE:
+               left = 0;
+               right = 0;
+               break;
+       default:
+               return -EINVAL;
+       }
 
        gaff->report->field[0]->value[0] = 0x51;
        gaff->report->field[0]->value[1] = 0x0;
@@ -109,7 +123,7 @@ static int gaff_init(struct hid_device *hid)
 
        set_bit(FF_RUMBLE, dev->ffbit);
 
-       error = input_ff_create_memless(dev, gaff, hid_gaff_play);
+       error = input_ff_create_mlnx(dev, gaff, hid_gaff_play, FF_UPDATE_RATE);
        if (error) {
                kfree(gaff);
                return error;
-- 
1.9.2

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