V4L/DVB (5994): ivtv: make VIDIOC_INT_RESET support smarter.

Add support to optionally reset the IR and/or the video digitizer.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 10 insertions, 2 deletions

diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index 85e6a34d5e90..cee6c558c69c 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -681,9 +681,17 @@ static int ivtv_debug_ioctls(struct file *filp, unsigned int cmd, void *arg)
                 break;
         }
 
-        case VIDIOC_INT_RESET:
-                ivtv_reset_ir_gpio(itv);
+        case VIDIOC_INT_RESET: {
+                u32 val = *(u32 *)arg;
+
+                if ((val == 0 && itv->options.newi2c) || (val & 0x01)) {
+                        ivtv_reset_ir_gpio(itv);
+                }
+                if (val & 0x02) {
+                        itv->video_dec_func(itv, cmd, 0);
+                }
                 break;
+        }
 
         default:
                 return -EINVAL;