media, video: move to dma_transfer_direction

fixup usage of dma direction by introducing dma_transfer_direction,
this patch moves media and video drivers to use new enum

Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

drivers/media/video/mx3_camera.c

@@ -251,7 +251,7 @@ static int mx3_videobuf_prepare(struct vb2_buffer *vb)
 		sg_dma_len(sg)		= new_size;
 
 		buf->txd = ichan->dma_chan.device->device_prep_slave_sg(
-			&ichan->dma_chan, sg, 1, DMA_FROM_DEVICE,
+			&ichan->dma_chan, sg, 1, DMA_DEV_TO_MEM,
 			DMA_PREP_INTERRUPT);
 		if (!buf->txd)
 			return -EIO;

drivers/media/video/timblogiw.c

@@ -564,7 +564,7 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 	spin_unlock_irq(&fh->queue_lock);
 
 	desc = fh->chan->device->device_prep_slave_sg(fh->chan,
-		buf->sg, sg_elems, DMA_FROM_DEVICE,
+		buf->sg, sg_elems, DMA_DEV_TO_MEM,
 		DMA_PREP_INTERRUPT | DMA_COMPL_SKIP_SRC_UNMAP);
 	if (!desc) {
 		spin_lock_irq(&fh->queue_lock);

drivers/video/mx3fb.c

@@ -334,7 +334,7 @@ static void sdc_enable_channel(struct mx3fb_info *mx3_fbi)
 	/* This enables the channel */
 	if (mx3_fbi->cookie < 0) {
 		mx3_fbi->txd = dma_chan->device->device_prep_slave_sg(dma_chan,
-		      &mx3_fbi->sg[0], 1, DMA_TO_DEVICE, DMA_PREP_INTERRUPT);
+		      &mx3_fbi->sg[0], 1, DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT);
 		if (!mx3_fbi->txd) {
 			dev_err(mx3fb->dev, "Cannot allocate descriptor on %d\n",
 				dma_chan->chan_id);
@@ -1104,7 +1104,7 @@ static int mx3fb_pan_display(struct fb_var_screeninfo *var,
 		async_tx_ack(mx3_fbi->txd);
 
 	txd = dma_chan->device->device_prep_slave_sg(dma_chan, sg +
-		mx3_fbi->cur_ipu_buf, 1, DMA_TO_DEVICE, DMA_PREP_INTERRUPT);
+		mx3_fbi->cur_ipu_buf, 1, DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT);
 	if (!txd) {
 		dev_err(fbi->device,
 			"Error preparing a DMA transaction descriptor.\n");