V4L/DVB: gscpa_pac7311: Add support for camera button

gscpa_pac7311: 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, 35 insertions, 0 deletions

diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c
index ba73eb847fd1..44fed9686729 100644
--- a/drivers/media/video/gspca/pac7311.c
+++ b/drivers/media/video/gspca/pac7311.c
@@ -51,6 +51,7 @@
 
 #define MODULE_NAME "pac7311"
 
+#include <linux/input.h>
 #include "gspca.h"
 
 MODULE_AUTHOR("Thomas Kaiser thomas@kaiser-linux.li");
@@ -798,6 +799,37 @@ static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
         return 0;
 }
 
+#ifdef CONFIG_INPUT
+static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
+                        u8 *data,               /* interrupt packet data */
+                        int len)                /* interrupt packet length */
+{
+        int ret = -EINVAL;
+        u8 data0, data1;
+
+        if (len == 2) {
+                data0 = data[0];
+                data1 = data[1];
+                if ((data0 == 0x00 && data1 == 0x11) ||
+                    (data0 == 0x22 && data1 == 0x33) ||
+                    (data0 == 0x44 && data1 == 0x55) ||
+                    (data0 == 0x66 && data1 == 0x77) ||
+                    (data0 == 0x88 && data1 == 0x99) ||
+                    (data0 == 0xaa && data1 == 0xbb) ||
+                    (data0 == 0xcc && data1 == 0xdd) ||
+                    (data0 == 0xee && data1 == 0xff)) {
+                        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);
+                        ret = 0;
+                }
+        }
+
+        return ret;
+}
+#endif
+
 /* sub-driver description for pac7311 */
 static const struct sd_desc sd_desc = {
         .name = MODULE_NAME,
@@ -810,6 +842,9 @@ static const struct sd_desc sd_desc = {
         .stop0 = sd_stop0,
         .pkt_scan = sd_pkt_scan,
         .dq_callback = do_autogain,
+#ifdef CONFIG_INPUT
+        .int_pkt_scan = sd_int_pkt_scan,
+#endif
 };
 
 /* -- module initialisation -- */