diff options
| author | Pavel Rojtberg <rojtberg@gmail.com> | 2015-10-06 17:06:16 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-10-10 11:27:06 -0700 |
| commit | 1f6f02b728eef0d937d5138ae60dbf8fbd045f3e (patch) | |
| tree | ab49b5b5433d33f71899811571d6109e859b7539 /drivers/input/joystick | |
| parent | 470446ecef213b17b2c01df9879102948d77f999 (diff) | |
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>
Diffstat (limited to 'drivers/input/joystick')
| -rw-r--r-- | drivers/input/joystick/xpad.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index e3b393c3e696..5257194ef0c0 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -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; |