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-rw-r--r--drivers/hid/usbhid/hid-pidff.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/hid/usbhid/hid-pidff.c b/drivers/hid/usbhid/hid-pidff.c
index 0f49d2836e9e..689419b20bf0 100644
--- a/drivers/hid/usbhid/hid-pidff.c
+++ b/drivers/hid/usbhid/hid-pidff.c
@@ -623,8 +623,7 @@ static void pidff_set_gain_report(struct pidff_device *pidff, u16 gain)
*/
static void pidff_set_device_control(struct pidff_device *pidff, int field)
{
- int i, index;
- int field_index = pidff->control_id[field];
+ const int field_index = pidff->control_id[field];
if (field_index < 1)
return;
@@ -634,8 +633,9 @@ static void pidff_set_device_control(struct pidff_device *pidff, int field)
hid_dbg(pidff->hid, "DEVICE_CONTROL is a bitmask\n");
/* Clear current bitmask */
- for (i = 0; i < ARRAY_SIZE(pidff_device_control); i++) {
- index = pidff->control_id[i];
+ for (int i = 0; i < ARRAY_SIZE(pidff_device_control); i++) {
+ int index = pidff->control_id[i];
+
if (index < 1)
continue;
@@ -650,6 +650,8 @@ static void pidff_set_device_control(struct pidff_device *pidff, int field)
hid_hw_request(pidff->hid, pidff->reports[PID_DEVICE_CONTROL], HID_REQ_SET_REPORT);
hid_hw_wait(pidff->hid);
+ hid_dbg(pidff->hid, "Device control command 0x%02x sent",
+ pidff_device_control[field]);
}
/*
@@ -751,6 +753,9 @@ static void pidff_playback_pid(struct pidff_device *pidff, int pid_id, int n)
{
pidff->effect_operation[PID_EFFECT_BLOCK_INDEX].value[0] = pid_id;
+ hid_dbg(pidff->hid, "%s PID effect %d", n == 0 ? "stopping" : "playing",
+ pid_id);
+
if (n == 0) {
pidff->effect_operation_status->value[0] =
pidff->operation_id[PID_EFFECT_STOP];
@@ -772,6 +777,8 @@ static int pidff_playback(struct input_dev *dev, int effect_id, int value)
{
struct pidff_device *pidff = dev->ff->private;
+ hid_dbg(pidff->hid, "requesting %s on FF effect %d",
+ value == 0 ? "stop" : "playback", effect_id);
pidff_playback_pid(pidff, pidff->pid_id[effect_id], value);
return 0;
}