Add max_concurrent_playbacks to ff_device which contains
the maximum number of concurrent playbacks allowed by the
device.
Signed-off-by: James Ogletree <jogletre@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/input/evdev.c | 2 +-
include/linux/input.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index a8ce3d140722..42b55e03696b 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -1069,7 +1069,7 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
case EVIOCGEFFECTS:
i = test_bit(EV_FF, dev->evbit) ?
- dev->ff->max_effects : 0;
+ dev->ff->max_concurrent_playbacks : 0;
if (put_user(i, ip))
return -EFAULT;
return 0;
diff --git a/include/linux/input.h b/include/linux/input.h
index 89a0be6ee0e2..6d6e450e2231 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -531,6 +531,7 @@ extern const struct class input_class;
* device (not emulated like ones in input_dev->ffbit)
* @mutex: mutex for serializing access to the device
* @max_effects: maximum number of effects supported by device
+ * @max_concurrent_playbacks: maximum number of concurrent playbacks
* @effects: pointer to an array of effects currently loaded into device
* @effect_owners: array of effect owners; when file handle owning
* an effect gets closed the effect is automatically erased
@@ -562,6 +563,7 @@ struct ff_device {
struct mutex mutex;
int max_effects;
+ int max_concurrent_playbacks;
struct ff_effect *effects;
struct file *effect_owners[] __counted_by(max_effects);
};
--
2.43.0
