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Input: xpad - factor out URB submission in xpad_play_effect

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Move submission logic to a single point at the end of the function.
This makes it easy to add locking/ queuing code later on.

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Pavel Rojtberg 2015-10-10 09:32:55 -07:00 committed by Dmitry Torokhov
parent a306a65f46
commit 060081529c
1 changed files with 63 additions and 65 deletions
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128
drivers/input/joystick/xpad.c
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@ -762,80 +762,78 @@ static void xpad_deinit_output(struct usb_xpad *xpad)
static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect)
{
struct usb_xpad *xpad = input_get_drvdata(dev);
__u16 strong;
__u16 weak;
if (effect->type == FF_RUMBLE) {
__u16 strong = effect->u.rumble.strong_magnitude;
__u16 weak = effect->u.rumble.weak_magnitude;
if (effect->type != FF_RUMBLE)
return 0;
switch (xpad->xtype) {
strong = effect->u.rumble.strong_magnitude;
weak = effect->u.rumble.weak_magnitude;
case XTYPE_XBOX:
xpad->odata[0] = 0x00;
xpad->odata[1] = 0x06;
xpad->odata[2] = 0x00;
xpad->odata[3] = strong / 256; /* left actuator */
xpad->odata[4] = 0x00;
xpad->odata[5] = weak / 256; /* right actuator */
xpad->irq_out->transfer_buffer_length = 6;
switch (xpad->xtype) {
case XTYPE_XBOX:
xpad->odata[0] = 0x00;
xpad->odata[1] = 0x06;
xpad->odata[2] = 0x00;
xpad->odata[3] = strong / 256; /* left actuator */
xpad->odata[4] = 0x00;
xpad->odata[5] = weak / 256; /* right actuator */
xpad->irq_out->transfer_buffer_length = 6;
break;
return usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
case XTYPE_XBOX360:
xpad->odata[0] = 0x00;
xpad->odata[1] = 0x08;
xpad->odata[2] = 0x00;
xpad->odata[3] = strong / 256; /* left actuator? */
xpad->odata[4] = weak / 256; /* right actuator? */
xpad->odata[5] = 0x00;
xpad->odata[6] = 0x00;
xpad->odata[7] = 0x00;
xpad->irq_out->transfer_buffer_length = 8;
break;
case XTYPE_XBOX360:
xpad->odata[0] = 0x00;
xpad->odata[1] = 0x08;
xpad->odata[2] = 0x00;
xpad->odata[3] = strong / 256; /* left actuator? */
xpad->odata[4] = weak / 256; /* right actuator? */
xpad->odata[5] = 0x00;
xpad->odata[6] = 0x00;
xpad->odata[7] = 0x00;
xpad->irq_out->transfer_buffer_length = 8;
case XTYPE_XBOX360W:
xpad->odata[0] = 0x00;
xpad->odata[1] = 0x01;
xpad->odata[2] = 0x0F;
xpad->odata[3] = 0xC0;
xpad->odata[4] = 0x00;
xpad->odata[5] = strong / 256;
xpad->odata[6] = weak / 256;
xpad->odata[7] = 0x00;
xpad->odata[8] = 0x00;
xpad->odata[9] = 0x00;
xpad->odata[10] = 0x00;
xpad->odata[11] = 0x00;
xpad->irq_out->transfer_buffer_length = 12;
break;
return usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
case XTYPE_XBOXONE:
xpad->odata[0] = 0x09; /* activate rumble */
xpad->odata[1] = 0x08;
xpad->odata[2] = 0x00;
xpad->odata[3] = 0x08; /* continuous effect */
xpad->odata[4] = 0x00; /* simple rumble mode */
xpad->odata[5] = 0x03; /* L and R actuator only */
xpad->odata[6] = 0x00; /* TODO: LT actuator */
xpad->odata[7] = 0x00; /* TODO: RT actuator */
xpad->odata[8] = strong / 256; /* left actuator */
xpad->odata[9] = weak / 256; /* right actuator */
xpad->odata[10] = 0x80; /* length of pulse */
xpad->odata[11] = 0x00; /* stop period of pulse */
xpad->irq_out->transfer_buffer_length = 12;
break;
case XTYPE_XBOX360W:
xpad->odata[0] = 0x00;
xpad->odata[1] = 0x01;
xpad->odata[2] = 0x0F;
xpad->odata[3] = 0xC0;
xpad->odata[4] = 0x00;
xpad->odata[5] = strong / 256;
xpad->odata[6] = weak / 256;
xpad->odata[7] = 0x00;
xpad->odata[8] = 0x00;
xpad->odata[9] = 0x00;
xpad->odata[10] = 0x00;
xpad->odata[11] = 0x00;
xpad->irq_out->transfer_buffer_length = 12;
return usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
case XTYPE_XBOXONE:
xpad->odata[0] = 0x09; /* activate rumble */
xpad->odata[1] = 0x08;
xpad->odata[2] = 0x00;
xpad->odata[3] = 0x08; /* continuous effect */
xpad->odata[4] = 0x00; /* simple rumble mode */
xpad->odata[5] = 0x03; /* L and R actuator only */
xpad->odata[6] = 0x00; /* TODO: LT actuator */
xpad->odata[7] = 0x00; /* TODO: RT actuator */
xpad->odata[8] = strong / 256; /* left actuator */
xpad->odata[9] = weak / 256; /* right actuator */
xpad->odata[10] = 0x80; /* length of pulse */
xpad->odata[11] = 0x00; /* stop period of pulse */
xpad->irq_out->transfer_buffer_length = 12;
return usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
default:
dev_dbg(&xpad->dev->dev,
"%s - rumble command sent to unsupported xpad type: %d\n",
__func__, xpad->xtype);
return -1;
}
default:
dev_dbg(&xpad->dev->dev,
"%s - rumble command sent to unsupported xpad type: %d\n",
__func__, xpad->xtype);
return -EINVAL;
}
return 0;
return usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
}
static int xpad_init_ff(struct usb_xpad *xpad)