V4L/DVB (4908): Remove the fake RGB32 format from cafe_ccic

Remove RGB32, useful for debugging, but with no place in production.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 3 insertions, 39 deletions

diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c
index 30864dac26a..9d9844e2295 100644
--- a/drivers/media/video/cafe_ccic.c
+++ b/drivers/media/video/cafe_ccic.c
@@ -612,16 +612,6 @@ static void cafe_ctlr_image(struct cafe_camera *cam)
                             C0_DF_MASK);
             break;
 
-        /*
-         * For "fake rgb32" get the image pitch right.
-         */
-        case V4L2_PIX_FMT_RGB32:
-            cafe_reg_write_mask(cam, REG_IMGPITCH, fmt->bytesperline/2,
-                            IMGP_YP_MASK);
-            imgsz = ((fmt->height << IMGSZ_V_SHIFT) & IMGSZ_V_MASK) |
-                    ((fmt->bytesperline/2) & IMGSZ_H_MASK);
-            cafe_reg_write(cam, REG_IMGSIZE, imgsz);
-            /* fall into ... */
         case V4L2_PIX_FMT_RGB444:
             cafe_reg_write_mask(cam, REG_CTRL0,
                             C0_DF_RGB|C0_RGBF_444|C0_RGB4_XRGB,
@@ -902,11 +892,8 @@ static int cafe_alloc_dma_bufs(struct cafe_camera *cam, int loadtime)
         cafe_set_config_needed(cam, 1);
         if (loadtime)
                 cam->dma_buf_size = dma_buf_size;
-        else {
+        else
                 cam->dma_buf_size = cam->pix_format.sizeimage;
-                if (cam->pix_format.pixelformat == V4L2_PIX_FMT_RGB32)
-                        cam->dma_buf_size /= 2;
-        }
         if (n_dma_bufs > 3)
                 n_dma_bufs = 3;
 
@@ -1751,26 +1738,6 @@ static struct video_device cafe_v4l_template = {
  * Interrupt handler stuff
  */
 
-/*
- * Create RGB32 from RGB444 so it can be displayed before the applications
- * know about the latter format.
- */
-static void cafe_fake_rgb32(struct cafe_camera *cam, char *dest, char *src)
-{
-        int i;
-        u16 *ssrc = (u16 *) src;
-
-        /* RGB444 version */
-        for (i = 0; i < cam->pix_format.sizeimage; i += 4) {
-        //              dest[0] = (*ssrc & 0xf000) >> 8;
-                dest[0] = (*ssrc & 0x000f) << 4;
-                dest[1] = (*ssrc & 0x00f0);
-                dest[2] = (*ssrc & 0x0f00) >> 4;
-                dest[3] = (*ssrc & 0xf000);   /* Alpha */
-                dest += 4;
-                ssrc++;
-        }
-}
 
 
 static void cafe_frame_tasklet(unsigned long data)
@@ -1800,11 +1767,8 @@ static void cafe_frame_tasklet(unsigned long data)
                  */
                 sbuf = list_entry(cam->sb_avail.next,
                                 struct cafe_sio_buffer, list);
-                if (cam->pix_format.pixelformat == V4L2_PIX_FMT_RGB32)
-                        cafe_fake_rgb32(cam, sbuf->buffer, cam->dma_bufs[bufno]);
-                else
-                        memcpy(sbuf->buffer, cam->dma_bufs[bufno],
-                                        cam->pix_format.sizeimage);
+                memcpy(sbuf->buffer, cam->dma_bufs[bufno],
+                                cam->pix_format.sizeimage);
                 sbuf->v4lbuf.bytesused = cam->pix_format.sizeimage;
                 sbuf->v4lbuf.sequence = cam->buf_seq[bufno];
                 sbuf->v4lbuf.flags &= ~V4L2_BUF_FLAG_QUEUED;