V4L/DVB: gscpa_pac207: Add support for camera button

gscpa_pac207: 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, 23 insertions, 0 deletions

diff --git a/drivers/media/video/gspca/pac207.c b/drivers/media/video/gspca/pac207.c
index 5ad4c730b342..0c87c3490b1e 100644
--- a/drivers/media/video/gspca/pac207.c
+++ b/drivers/media/video/gspca/pac207.c
@@ -25,6 +25,7 @@
 
 #define MODULE_NAME "pac207"
 
+#include <linux/input.h>
 #include "gspca.h"
 
 MODULE_AUTHOR("Hans de Goede <hdgoede@redhat.com>");
@@ -495,6 +496,25 @@ static int sd_getautogain(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)                /* interrput packet length */
+{
+        int ret = -EINVAL;
+
+        if (len == 2 && data[0] == 0x5a && data[1] == 0x5a) {
+                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 */
 static const struct sd_desc sd_desc = {
         .name = MODULE_NAME,
@@ -506,6 +526,9 @@ static const struct sd_desc sd_desc = {
         .stopN = sd_stopN,
         .dq_callback = pac207_do_auto_gain,
         .pkt_scan = sd_pkt_scan,
+#ifdef CONFIG_INPUT
+        .int_pkt_scan = sd_int_pkt_scan,
+#endif
 };
 
 /* -- module initialisation -- */