[media] cx25821: replace custom ioctls with write()

Ideally this should be implemented with vb2, but it'll do for now.

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

1 files changed, 5 insertions, 7 deletions

diff --git a/drivers/media/pci/cx25821/cx25821.h b/drivers/media/pci/cx25821/cx25821.h
index b0bc2e626ae7..90bdc196929f 100644
--- a/drivers/media/pci/cx25821/cx25821.h
+++ b/drivers/media/pci/cx25821/cx25821.h
@@ -197,15 +197,11 @@ struct cx25821_video_out_data {
 
         u32 upstream_riscbuf_size;
         u32 upstream_databuf_size;
-        struct workqueue_struct *_irq_queues;
-        struct work_struct _irq_work_entry;
         int is_60hz;
         int _frame_index;
-        char *input_filename;
-        char *vid_stdname;
-        int pixel_format;
-        char *_filename;
-        char *_defaultname;
+        int cur_frame_index;
+        int curpos;
+        wait_queue_head_t waitq;
 };
 
 struct cx25821_channel {
@@ -440,6 +436,8 @@ extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
 extern int cx25821_vidupstream_init(struct cx25821_channel *chan, int pixel_format);
 extern int cx25821_audio_upstream_init(struct cx25821_dev *dev,
                                        int channel_select);
+extern int cx25821_write_frame(struct cx25821_channel *chan,
+                const char __user *data, size_t count);
 extern void cx25821_free_mem_upstream(struct cx25821_channel *chan);
 extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);
 extern void cx25821_stop_upstream_video(struct cx25821_channel *chan);