V4L/DVB: gscpa_zc3xx: Add support for camera button

gscpa_zc3xx: Add support for camera button

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index 8c31aa9b26e2..50986da3d912 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -21,6 +21,7 @@
 
 #define MODULE_NAME "zc3xx"
 
+#include <linux/input.h>
 #include "gspca.h"
 #include "jpeg.h"
 
@@ -7170,6 +7171,22 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev,
         return 0;
 }
 
+#ifdef CONFIG_INPUT
+static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
+                        u8 *data,               /* interrupt packet data */
+                        int len)                /* interrput packet length */
+{
+        if (len == 8 && data[4] == 1) {
+                input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
+                input_sync(gspca_dev->input_dev);
+                input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
+                input_sync(gspca_dev->input_dev);
+        }
+
+        return 0;
+}
+#endif
+
 static const struct sd_desc sd_desc = {
         .name = MODULE_NAME,
         .ctrls = sd_ctrls,
@@ -7182,6 +7199,9 @@ static const struct sd_desc sd_desc = {
         .querymenu = sd_querymenu,
         .get_jcomp = sd_get_jcomp,
         .set_jcomp = sd_set_jcomp,
+#ifdef CONFIG_INPUT
+        .int_pkt_scan = sd_int_pkt_scan,
+#endif
 };
 
 static const __devinitdata struct usb_device_id device_table[] = {