[media] stk1160: fix sequence handling

Fix the sequence counter: we're counting frames, not fields.

Also remove the unused 'field' field. That would only be needed if this driver
would support V4L2_FIELD_ALTERNATE.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

3 files changed, 4 insertions, 5 deletions

diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
index 4d313ed4c32e..7291cca58704 100644
--- a/drivers/media/usb/stk1160/stk1160-v4l.c
+++ b/drivers/media/usb/stk1160/stk1160-v4l.c
@@ -194,6 +194,8 @@ static int stk1160_start_streaming(struct stk1160 *dev)
         /* Start saa711x */
         v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1);
 
+        dev->sequence = 0;
+
         /* Start stk1160 */
         stk1160_write_reg(dev, STK1160_DCTRL, 0xb3);
         stk1160_write_reg(dev, STK1160_DCTRL+3, 0x00);
diff --git a/drivers/media/usb/stk1160/stk1160-video.c b/drivers/media/usb/stk1160/stk1160-video.c
index 39f1aae209bc..940c3eaea507 100644
--- a/drivers/media/usb/stk1160/stk1160-video.c
+++ b/drivers/media/usb/stk1160/stk1160-video.c
@@ -96,9 +96,7 @@ void stk1160_buffer_done(struct stk1160 *dev)
 {
         struct stk1160_buffer *buf = dev->isoc_ctl.buf;
 
-        dev->field_count++;
-
-        buf->vb.v4l2_buf.sequence = dev->field_count >> 1;
+        buf->vb.v4l2_buf.sequence = dev->sequence++;
         buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;
         buf->vb.v4l2_buf.bytesused = buf->bytesused;
         v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
diff --git a/drivers/media/usb/stk1160/stk1160.h b/drivers/media/usb/stk1160/stk1160.h
index abdea484c998..3922a6cabde2 100644
--- a/drivers/media/usb/stk1160/stk1160.h
+++ b/drivers/media/usb/stk1160/stk1160.h
@@ -151,8 +151,7 @@ struct stk1160 {
         v4l2_std_id norm;         /* current norm */
         struct stk1160_fmt *fmt;  /* selected format */
 
-        unsigned int field_count; /* not sure ??? */
-        enum v4l2_field field;    /* also not sure :/ */
+        unsigned int sequence;
 
         /* i2c i/o */
         struct i2c_adapter i2c_adap;