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Subject[PATCH 06/24] Port pm8xxx-vibrator to ff-memless-next
Date
Port pm8xxx-vibrator to ff-memless-next

Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
---
drivers/input/misc/Kconfig | 2 +-
drivers/input/misc/pm8xxx-vibrator.c | 28 +++++++++++++++++++---------
2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 6ba327f..300b5a8 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -108,7 +108,7 @@ config INPUT_PCSPKR
config INPUT_PM8XXX_VIBRATOR
tristate "Qualcomm PM8XXX vibrator support"
depends on MFD_PM8XXX
- select INPUT_FF_MEMLESS
+ select INPUT_FF_MEMLESS_NEXT
help
This option enables device driver support for the vibrator
on Qualcomm PM8xxx chip. This driver supports ff-memless interface
diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c
index b88b7cb..6b0e9eb 100644
--- a/drivers/input/misc/pm8xxx-vibrator.c
+++ b/drivers/input/misc/pm8xxx-vibrator.c
@@ -17,6 +17,7 @@
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/regmap.h>
+#include <linux/input/ff-memless-next.h>

#define VIB_DRV 0x4A

@@ -29,7 +30,7 @@
#define VIB_MAX_LEVELS (VIB_MAX_LEVEL_mV - VIB_MIN_LEVEL_mV)

#define MAX_FF_SPEED 0xff
-
+#define FF_UPDATE_RATE 50
/**
* struct pm8xxx_vib - structure to hold vibrator data
* @vib_input_dev: input device supporting force feedback
@@ -128,14 +129,23 @@ static void pm8xxx_vib_close(struct input_dev *dev)
* Currently this driver supports only rumble effects.
*/
static int pm8xxx_vib_play_effect(struct input_dev *dev, void *data,
- struct ff_effect *effect)
+ const struct mlnx_command *command)
{
struct pm8xxx_vib *vib = input_get_drvdata(dev);
-
- vib->speed = effect->u.rumble.strong_magnitude >> 8;
- if (!vib->speed)
- vib->speed = effect->u.rumble.weak_magnitude >> 9;
-
+ const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
+
+ switch (command->cmd) {
+ case MLNX_START_RUMBLE:
+ vib->speed = rumble_force->strong >> 8;
+ if (!vib->speed)
+ vib->speed = rumble_force->weak >> 9;
+ break;
+ case MLNX_STOP_RUMBLE:
+ vib->speed = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
schedule_work(&vib->work);

return 0;
@@ -182,8 +192,8 @@ static int pm8xxx_vib_probe(struct platform_device *pdev)
input_set_drvdata(input_dev, vib);
input_set_capability(vib->vib_input_dev, EV_FF, FF_RUMBLE);

- error = input_ff_create_memless(input_dev, NULL,
- pm8xxx_vib_play_effect);
+ error = input_ff_create_mlnx(input_dev, NULL,
+ pm8xxx_vib_play_effect, FF_UPDATE_RATE);
if (error) {
dev_err(&pdev->dev,
"couldn't register vibrator as FF device\n");
--
1.9.1

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