Merge branch 'perfcounters-fixes-for-linus-2' of git://git.kernel.org/pub/scm/linux...

[pandora-kernel.git] / drivers / media / video / pxa_camera.c

diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c
index f60de40..016bb45 100644 (file)
--- a/drivers/media/video/pxa_camera.c
+++ b/drivers/media/video/pxa_camera.c
@@ -162,13 +162,6 @@
                        CICR0_PERRM | CICR0_QDM | CICR0_CDM | CICR0_SOFM | \
                        CICR0_EOFM | CICR0_FOM)
 
-/*
- * YUV422P picture size should be a multiple of 16, so the heuristic aligns
- * height, width on 4 byte boundaries to reach the 16 multiple for the size.
- */
-#define YUV422P_X_Y_ALIGN 4
-#define YUV422P_SIZE_ALIGN YUV422P_X_Y_ALIGN * YUV422P_X_Y_ALIGN
-
 /*
  * Structures
  */
@@ -619,6 +612,7 @@ static void pxa_camera_stop_capture(struct pxa_camera_dev *pcdev)
        dev_dbg(pcdev->soc_host.dev, "%s\n", __func__);
 }
 
+/* Called under spinlock_irqsave(&pcdev->lock, ...) */
 static void pxa_videobuf_queue(struct videobuf_queue *vq,
                               struct videobuf_buffer *vb)
 {
@@ -626,13 +620,10 @@ static void pxa_videobuf_queue(struct videobuf_queue *vq,
        struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
        struct pxa_camera_dev *pcdev = ici->priv;
        struct pxa_buffer *buf = container_of(vb, struct pxa_buffer, vb);
-       unsigned long flags;
 
        dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d active=%p\n", __func__,
                vb, vb->baddr, vb->bsize, pcdev->active);
 
-       spin_lock_irqsave(&pcdev->lock, flags);
-
        list_add_tail(&vb->queue, &pcdev->capture);
 
        vb->state = VIDEOBUF_ACTIVE;
@@ -640,8 +631,6 @@ static void pxa_videobuf_queue(struct videobuf_queue *vq,
 
        if (!pcdev->active)
                pxa_camera_start_capture(pcdev);
-
-       spin_unlock_irqrestore(&pcdev->lock, flags);
 }
 
 static void pxa_videobuf_release(struct videobuf_queue *vq,
@@ -1398,28 +1387,15 @@ static int pxa_camera_try_fmt(struct soc_camera_device *icd,
                return -EINVAL;
        }
 
-       /* limit to pxa hardware capabilities */
-       if (pix->height < 32)
-               pix->height = 32;
-       if (pix->height > 2048)
-               pix->height = 2048;
-       if (pix->width < 48)
-               pix->width = 48;
-       if (pix->width > 2048)
-               pix->width = 2048;
-       pix->width &= ~0x01;
-
        /*
-        * YUV422P planar format requires images size to be a 16 bytes
-        * multiple. If not, zeros will be inserted between Y and U planes, and
-        * U and V planes, and YUV422P standard would be violated.
+        * Limit to pxa hardware capabilities.  YUV422P planar format requires
+        * images size to be a multiple of 16 bytes.  If not, zeros will be
+        * inserted between Y and U planes, and U and V planes, which violates
+        * the YUV422P standard.
         */
-       if (xlate->host_fmt->fourcc == V4L2_PIX_FMT_YUV422P) {
-               if (!IS_ALIGNED(pix->width * pix->height, YUV422P_SIZE_ALIGN))
-                       pix->height = ALIGN(pix->height, YUV422P_X_Y_ALIGN);
-               if (!IS_ALIGNED(pix->width * pix->height, YUV422P_SIZE_ALIGN))
-                       pix->width = ALIGN(pix->width, YUV422P_X_Y_ALIGN);
-       }
+       v4l_bound_align_image(&pix->width, 48, 2048, 1,
+                             &pix->height, 32, 2048, 0,
+                             xlate->host_fmt->fourcc == V4L2_PIX_FMT_YUV422P ? 4 : 0);
 
        pix->bytesperline = pix->width *
                DIV_ROUND_UP(xlate->host_fmt->depth, 8);
@@ -1599,6 +1575,7 @@ static int __devinit pxa_camera_probe(struct platform_device *pdev)
                pcdev->mclk = 20000000;
        }
 
+       pcdev->soc_host.dev = &pdev->dev;
        pcdev->mclk_divisor = mclk_get_divisor(pcdev);
 
        INIT_LIST_HEAD(&pcdev->capture);
@@ -1664,7 +1641,6 @@ static int __devinit pxa_camera_probe(struct platform_device *pdev)
        pcdev->soc_host.drv_name        = PXA_CAM_DRV_NAME;
        pcdev->soc_host.ops             = &pxa_soc_camera_host_ops;
        pcdev->soc_host.priv            = pcdev;
-       pcdev->soc_host.dev             = &pdev->dev;
        pcdev->soc_host.nr              = pdev->id;
 
        err = soc_camera_host_register(&pcdev->soc_host);