[PATCH 03/24] Port twl4030-vibra to ff-memless-next

From: Michal Malý
Date: Wed Apr 09 2014 - 07:25:17 EST


Port twl4030-vibra to ff-memless-next

Signed-off-by: Michal Malý <madcatxster@xxxxxxxxxxxxxxxxxx>
---
drivers/input/misc/Kconfig | 2 +-
drivers/input/misc/twl4030-vibra.c | 31 +++++++++++++++++++++++++------
2 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 33e0f5d..1016a1b 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -407,7 +407,7 @@ config INPUT_TWL4030_VIBRA
tristate "Support for TWL4030 Vibrator"
depends on TWL4030_CORE
select MFD_TWL4030_AUDIO
- select INPUT_FF_MEMLESS
+ select INPUT_FF_MEMLESS_NEXT
help
This option enables support for TWL4030 Vibrator Driver.

diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c
index 960ef2a..5274ad2 100644
--- a/drivers/input/misc/twl4030-vibra.c
+++ b/drivers/input/misc/twl4030-vibra.c
@@ -32,9 +32,11 @@
#include <linux/mfd/twl4030-audio.h>
#include <linux/input.h>
#include <linux/slab.h>
+#include <linux/input/ff-memless-next.h>

/* MODULE ID2 */
#define LEDEN 0x00
+#define FF_UPDATE_RATE 50

/* ForceFeedback */
#define EFFECT_DIR_180_DEG 0x8000 /* range is 0 - 0xFFFF */
@@ -134,14 +136,31 @@ static void vibra_play_work(struct work_struct *work)
/*** Input/ForceFeedback ***/

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;
+
+ switch (command->cmd) {
+ case MLNX_START_RUMBLE:
+ if (command->u.rumble_force.strong) {
+ info->speed = rumble_force->strong >> 8;
+ info->direction = rumble_force->strong_dir < EFFECT_DIR_180_DEG ?
+ 0 : 1;
+ } else {
+ info->speed = rumble_force->weak >> 9;
+ info->direction = rumble_force->weak_dir < EFFECT_DIR_180_DEG ?
+ 0 : 1;
+ }
+ break;
+ case MLNX_STOP_RUMBLE:
+ info->speed = 0;
+ info->direction = 0;
+ break;
+ default:
+ return -EINVAL;
+ }

- info->speed = effect->u.rumble.strong_magnitude >> 8;
- if (!info->speed)
- info->speed = effect->u.rumble.weak_magnitude >> 9;
- info->direction = effect->direction < EFFECT_DIR_180_DEG ? 0 : 1;
schedule_work(&info->play_work);
return 0;
}
@@ -227,7 +246,7 @@ static int twl4030_vibra_probe(struct platform_device *pdev)
info->input_dev->close = twl4030_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_dbg(&pdev->dev, "couldn't register vibrator to FF\n");
return ret;
--
1.9.1


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