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Input: xpad - clarify LED enumeration 

Rename led_no -> pad_nr: the number stored there is not the LED number - it
gets translated later on to a LED number in xpad_identify_controller;

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Pavel Rojtberg 2015-10-06 17:06:16 -07:00 committed by Dmitry Torokhov
parent 470446ecef
commit 1f6f02b728
1 changed files with 9 additions and 7 deletions
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16
drivers/input/joystick/xpad.c
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@ -345,7 +345,7 @@ struct usb_xpad {
int mapping; /* map d-pad to buttons or to axes */
int xtype; /* type of xbox device */
unsigned long led_no; /* led to lit on xbox360 controllers */
unsigned long pad_nr; /* the order x360 pads were attached */
};
/*
@ -357,7 +357,6 @@ struct usb_xpad {
* The used report descriptor was taken from ITO Takayukis website:
* http://euc.jp/periphs/xbox-controller.ja.html
*/
static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
{
struct input_dev *dev = xpad->dev;
@ -506,7 +505,6 @@ static void xpad_identify_controller(struct usb_xpad *xpad);
* 01.1 - Pad state (Bytes 4+) valid
*
*/
static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
{
/* Presence change */
@ -891,6 +889,7 @@ struct xpad_led {
};
/**
* set the LEDs on Xbox360 / Wireless Controllers
* @param command
* 0: off
* 1: all blink, then previous setting
@ -943,10 +942,13 @@ static void xpad_send_led_command(struct usb_xpad *xpad, int command)
mutex_unlock(&xpad->odata_mutex);
}
/*
* Light up the segment corresponding to the pad number on
* Xbox 360 Controllers.
*/
static void xpad_identify_controller(struct usb_xpad *xpad)
{
/* Light up the segment corresponding to controller number */
xpad_send_led_command(xpad, (xpad->led_no % 4) + 2);
xpad_send_led_command(xpad, (xpad->pad_nr % 4) + 2);
}
static void xpad_led_set(struct led_classdev *led_cdev,
@ -972,9 +974,9 @@ static int xpad_led_probe(struct usb_xpad *xpad)
if (!led)
return -ENOMEM;
xpad->led_no = atomic_inc_return(&led_seq);
xpad->pad_nr = atomic_inc_return(&led_seq);
snprintf(led->name, sizeof(led->name), "xpad%lu", xpad->led_no);
snprintf(led->name, sizeof(led->name), "xpad%lu", xpad->pad_nr);
led->xpad = xpad;
led_cdev = &led->led_cdev;