V4L/DVB (10242): pwc: add support for webcam snapshot button
This patch adds support for Philips webcam snapshot button as an
event input device, for consistency with other webcam drivers.
Signed-off-by: Pham Thanh Nam <phamthanhnam.ptn@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/pwc/pwc.h b/drivers/media/video/pwc/pwc.h
index 01411fb..0be6f81 100644
--- a/drivers/media/video/pwc/pwc.h
+++ b/drivers/media/video/pwc/pwc.h
@@ -37,6 +37,9 @@
#include <linux/videodev.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
+#ifdef CONFIG_USB_PWC_INPUT_EVDEV
+#include <linux/input.h>
+#endif
#include "pwc-uncompress.h"
#include <media/pwc-ioctl.h>
@@ -255,6 +258,9 @@
int pan_angle; /* in degrees * 100 */
int tilt_angle; /* absolute angle; 0,0 is home position */
int snapshot_button_status; /* set to 1 when the user push the button, reset to 0 when this value is read */
+#ifdef CONFIG_USB_PWC_INPUT_EVDEV
+ struct input_dev *button_dev; /* webcam snapshot button input */
+#endif
/*** Misc. data ***/
wait_queue_head_t frameq; /* When waiting for a frame to finish... */