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Subject[PATCH v4 04/24] input: Port twl6040-vibra to ff-memless-next
Date
Port twl6040-vibra to ff-memless-next

Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
---
drivers/input/misc/Kconfig | 2 +-
drivers/input/misc/twl6040-vibra.c | 27 ++++++++++++++++++++++-----
2 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 817156f..b9cbb91 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -417,7 +417,7 @@ config INPUT_TWL4030_VIBRA
config INPUT_TWL6040_VIBRA
tristate "Support for TWL6040 Vibrator"
depends on TWL6040_CORE
- select INPUT_FF_MEMLESS
+ select INPUT_FF_MEMLESS_NEXT
help
This option enables support for TWL6040 Vibrator Driver.

diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index 77dc23b..7440a74 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c
@@ -30,12 +30,14 @@
#include <linux/of.h>
#include <linux/workqueue.h>
#include <linux/input.h>
+#include <linux/input/ff-memless-next.h>
#include <linux/mfd/twl6040.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/regulator/consumer.h>

#define EFFECT_DIR_180_DEG 0x8000
+#define FF_UPDATE_RATE 50

/* Recommended modulation index 85% */
#define TWL6040_VIBRA_MOD 85
@@ -197,9 +199,10 @@ static void vibra_play_work(struct work_struct *work)
}

static int vibra_play(struct input_dev *input, void *data,
- struct ff_effect *effect)
+ const struct mlnx_effect_command *command)
{
struct vibra_info *info = input_get_drvdata(input);
+ const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
int ret;

/* Do not allow effect, while the routing is set to use audio */
@@ -209,9 +212,23 @@ static int vibra_play(struct input_dev *input, void *data,
return -EBUSY;
}

- info->weak_speed = effect->u.rumble.weak_magnitude;
- info->strong_speed = effect->u.rumble.strong_magnitude;
- info->direction = effect->direction < EFFECT_DIR_180_DEG ? 1 : -1;
+ switch (command->cmd) {
+ case MLNX_START_RUMBLE:
+ info->weak_speed = rumble_force->weak;
+ info->strong_speed = rumble_force->strong;
+ if (info->strong_speed >= info->weak_speed)
+ info->direction = rumble_force->strong_dir < EFFECT_DIR_180_DEG ? 1 : -1;
+ else
+ info->direction = rumble_force->weak_dir < EFFECT_DIR_180_DEG ? 1 : -1;
+ break;
+ case MLNX_STOP_RUMBLE:
+ info->weak_speed = 0;
+ info->strong_speed = 0;
+ info->direction = 1;
+ break;
+ default:
+ return -EINVAL;
+ }

ret = queue_work(info->workqueue, &info->play_work);
if (!ret) {
@@ -367,7 +384,7 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
info->input_dev->close = twl6040_vibra_close;
__set_bit(FF_RUMBLE, info->input_dev->ffbit);

- ret = input_ff_create_memless(info->input_dev, NULL, vibra_play);
+ ret = input_ff_create_mlnx(info->input_dev, NULL, vibra_play, FF_UPDATE_RATE);
if (ret < 0) {
dev_err(info->dev, "couldn't register vibrator to FF\n");
goto err_ialloc;
--
1.9.2
--
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