V4L/DVB (7942): Hardware frequency seek ioctl interface

Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 7649860a388d..52c56678ee69 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -278,6 +278,7 @@ static const char *v4l2_ioctls[] = {
         [_IOC_NR(VIDIOC_DBG_G_REGISTER)]   = "VIDIOC_DBG_G_REGISTER",
 
         [_IOC_NR(VIDIOC_G_CHIP_IDENT)]     = "VIDIOC_G_CHIP_IDENT",
+        [_IOC_NR(VIDIOC_S_HW_FREQ_SEEK)]   = "VIDIOC_S_HW_FREQ_SEEK",
 #endif
 };
 #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
@@ -1763,6 +1764,17 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
                 ret = vfd->vidioc_default(file, fh, cmd, arg);
                 break;
         }
+        case VIDIOC_S_HW_FREQ_SEEK:
+        {
+                struct v4l2_hw_freq_seek *p = arg;
+                if (!vfd->vidioc_s_hw_freq_seek)
+                        break;
+                dbgarg(cmd,
+                        "tuner=%d, type=%d, seek_upward=%d, wrap_around=%d\n",
+                        p->tuner, p->type, p->seek_upward, p->wrap_around);
+                ret = vfd->vidioc_s_hw_freq_seek(file, fh, p);
+                break;
+        }
         } /* switch */
 
         if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) {