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authorPavel Rojtberg <rojtberg@gmail.com>2015-06-22 14:11:30 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-06-22 14:24:58 -0700
commitcae705baa40b2c20de8f9bb79ef4bcc6b2418c7c (patch)
tree0fd3f0839f8cf75d1351b260bce94606311b83aa /drivers/input
parent75b7f05d2798ee3a1cc5bbdd54acd0e318a80396 (diff)
downloadop-kernel-dev-cae705baa40b2c20de8f9bb79ef4bcc6b2418c7c.zip
op-kernel-dev-cae705baa40b2c20de8f9bb79ef4bcc6b2418c7c.tar.gz
Input: xpad - re-send LED command on present event
The controller only receives commands when its present. So for the correct LED to be lit the LED command has to be sent on the present event. Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/joystick/xpad.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 6f8755e..f8850f9 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -344,6 +344,7 @@ 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 */
};
/*
@@ -488,6 +489,8 @@ static void xpad360_process_packet(struct usb_xpad *xpad,
input_sync(dev);
}
+static void xpad_identify_controller(struct usb_xpad *xpad);
+
/*
* xpad360w_process_packet
*
@@ -510,6 +513,11 @@ static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned cha
if (data[1] & 0x80) {
xpad->pad_present = 1;
usb_submit_urb(xpad->bulk_out, GFP_ATOMIC);
+ /*
+ * Light up the segment corresponding to
+ * controller number.
+ */
+ xpad_identify_controller(xpad);
} else
xpad->pad_present = 0;
}
@@ -934,6 +942,12 @@ static void xpad_send_led_command(struct usb_xpad *xpad, int command)
mutex_unlock(&xpad->odata_mutex);
}
+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);
+}
+
static void xpad_led_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
@@ -945,8 +959,7 @@ static void xpad_led_set(struct led_classdev *led_cdev,
static int xpad_led_probe(struct usb_xpad *xpad)
{
- static atomic_t led_seq = ATOMIC_INIT(-1);
- unsigned long led_no;
+ static atomic_t led_seq = ATOMIC_INIT(-1);
struct xpad_led *led;
struct led_classdev *led_cdev;
int error;
@@ -958,9 +971,9 @@ static int xpad_led_probe(struct usb_xpad *xpad)
if (!led)
return -ENOMEM;
- led_no = atomic_inc_return(&led_seq);
+ xpad->led_no = atomic_inc_return(&led_seq);
- snprintf(led->name, sizeof(led->name), "xpad%lu", led_no);
+ snprintf(led->name, sizeof(led->name), "xpad%lu", xpad->led_no);
led->xpad = xpad;
led_cdev = &led->led_cdev;
@@ -974,10 +987,8 @@ static int xpad_led_probe(struct usb_xpad *xpad)
return error;
}
- /*
- * Light up the segment corresponding to controller number
- */
- xpad_send_led_command(xpad, (led_no % 4) + 2);
+ /* Light up the segment corresponding to controller number */
+ xpad_identify_controller(xpad);
return 0;
}
@@ -994,6 +1005,7 @@ static void xpad_led_disconnect(struct usb_xpad *xpad)
#else
static int xpad_led_probe(struct usb_xpad *xpad) { return 0; }
static void xpad_led_disconnect(struct usb_xpad *xpad) { }
+static void xpad_identify_controller(struct usb_xpad *xpad) { }
#endif
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