8 files changed, 58 insertions, 37 deletions

diff --git a/drivers/media/video/mem2mem_testdev.c b/drivers/media/video/mem2mem_testdev.c
index 7efe9ad7acc7..0b91a5cd38eb 100644
--- a/drivers/media/video/mem2mem_testdev.c
+++ b/drivers/media/video/mem2mem_testdev.c
@@ -431,7 +431,7 @@ static int vidioc_querycap(struct file *file, void *priv,
         strncpy(cap->driver, MEM2MEM_NAME, sizeof(cap->driver) - 1);
         strncpy(cap->card, MEM2MEM_NAME, sizeof(cap->card) - 1);
         strlcpy(cap->bus_info, MEM2MEM_NAME, sizeof(cap->bus_info));
-        cap->capabilities = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
+        cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
         cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
         return 0;
 }
diff --git a/drivers/media/video/mx1_camera.c b/drivers/media/video/mx1_camera.c
index d2e6f82ecfac..560a65aa7038 100644
--- a/drivers/media/video/mx1_camera.c
+++ b/drivers/media/video/mx1_camera.c
@@ -403,7 +403,7 @@ static void mx1_camera_activate(struct mx1_camera_dev *pcdev)
 
         dev_dbg(pcdev->icd->parent, "Activate device\n");
 
-        clk_enable(pcdev->clk);
+        clk_prepare_enable(pcdev->clk);
 
         /* enable CSI before doing anything else */
         __raw_writel(csicr1, pcdev->base + CSICR1);
@@ -422,7 +422,7 @@ static void mx1_camera_deactivate(struct mx1_camera_dev *pcdev)
         /* Disable all CSI interface */
         __raw_writel(0x00, pcdev->base + CSICR1);
 
-        clk_disable(pcdev->clk);
+        clk_disable_unprepare(pcdev->clk);
 }
 
 /*
diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c
index 637bde8aca28..ac175406e582 100644
--- a/drivers/media/video/mx2_camera.c
+++ b/drivers/media/video/mx2_camera.c
@@ -272,7 +272,7 @@ struct mx2_camera_dev {
         struct device           *dev;
         struct soc_camera_host  soc_host;
         struct soc_camera_device *icd;
-        struct clk              *clk_csi, *clk_emma;
+        struct clk              *clk_csi, *clk_emma_ahb, *clk_emma_ipg;
 
         unsigned int            irq_csi, irq_emma;
         void __iomem            *base_csi, *base_emma;
@@ -407,7 +407,7 @@ static void mx2_camera_deactivate(struct mx2_camera_dev *pcdev)
 {
         unsigned long flags;
 
-        clk_disable(pcdev->clk_csi);
+        clk_disable_unprepare(pcdev->clk_csi);
         writel(0, pcdev->base_csi + CSICR1);
         if (cpu_is_mx27()) {
                 writel(0, pcdev->base_emma + PRP_CNTL);
@@ -435,7 +435,7 @@ static int mx2_camera_add_device(struct soc_camera_device *icd)
         if (pcdev->icd)
                 return -EBUSY;
 
-        ret = clk_enable(pcdev->clk_csi);
+        ret = clk_prepare_enable(pcdev->clk_csi);
         if (ret < 0)
                 return ret;
 
@@ -1633,23 +1633,34 @@ static int __devinit mx27_camera_emma_init(struct mx2_camera_dev *pcdev)
                 goto exit_iounmap;
         }
 
-        pcdev->clk_emma = clk_get(NULL, "emma");
-        if (IS_ERR(pcdev->clk_emma)) {
-                err = PTR_ERR(pcdev->clk_emma);
+        pcdev->clk_emma_ipg = clk_get(pcdev->dev, "emma-ipg");
+        if (IS_ERR(pcdev->clk_emma_ipg)) {
+                err = PTR_ERR(pcdev->clk_emma_ipg);
                 goto exit_free_irq;
         }
 
-        clk_enable(pcdev->clk_emma);
+        clk_prepare_enable(pcdev->clk_emma_ipg);
+
+        pcdev->clk_emma_ahb = clk_get(pcdev->dev, "emma-ahb");
+        if (IS_ERR(pcdev->clk_emma_ahb)) {
+                err = PTR_ERR(pcdev->clk_emma_ahb);
+                goto exit_clk_emma_ipg_put;
+        }
+
+        clk_prepare_enable(pcdev->clk_emma_ahb);
 
         err = mx27_camera_emma_prp_reset(pcdev);
         if (err)
-                goto exit_clk_emma_put;
+                goto exit_clk_emma_ahb_put;
 
         return err;
 
-exit_clk_emma_put:
-        clk_disable(pcdev->clk_emma);
-        clk_put(pcdev->clk_emma);
+exit_clk_emma_ahb_put:
+        clk_disable_unprepare(pcdev->clk_emma_ahb);
+        clk_put(pcdev->clk_emma_ahb);
+exit_clk_emma_ipg_put:
+        clk_disable_unprepare(pcdev->clk_emma_ipg);
+        clk_put(pcdev->clk_emma_ipg);
 exit_free_irq:
         free_irq(pcdev->irq_emma, pcdev);
 exit_iounmap:
@@ -1685,7 +1696,7 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev)
                 goto exit;
         }
 
-        pcdev->clk_csi = clk_get(&pdev->dev, NULL);
+        pcdev->clk_csi = clk_get(&pdev->dev, "ahb");
         if (IS_ERR(pcdev->clk_csi)) {
                 dev_err(&pdev->dev, "Could not get csi clock\n");
                 err = PTR_ERR(pcdev->clk_csi);
@@ -1785,8 +1796,10 @@ exit_free_emma:
 eallocctx:
         if (cpu_is_mx27()) {
                 free_irq(pcdev->irq_emma, pcdev);
-                clk_disable(pcdev->clk_emma);
-                clk_put(pcdev->clk_emma);
+                clk_disable_unprepare(pcdev->clk_emma_ipg);
+                clk_put(pcdev->clk_emma_ipg);
+                clk_disable_unprepare(pcdev->clk_emma_ahb);
+                clk_put(pcdev->clk_emma_ahb);
                 iounmap(pcdev->base_emma);
                 release_mem_region(pcdev->res_emma->start, resource_size(pcdev->res_emma));
         }
@@ -1825,8 +1838,10 @@ static int __devexit mx2_camera_remove(struct platform_device *pdev)
         iounmap(pcdev->base_csi);
 
         if (cpu_is_mx27()) {
-                clk_disable(pcdev->clk_emma);
-                clk_put(pcdev->clk_emma);
+                clk_disable_unprepare(pcdev->clk_emma_ipg);
+                clk_put(pcdev->clk_emma_ipg);
+                clk_disable_unprepare(pcdev->clk_emma_ahb);
+                clk_put(pcdev->clk_emma_ahb);
                 iounmap(pcdev->base_emma);
                 res = pcdev->res_emma;
                 release_mem_region(res->start, resource_size(res));
diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c
index f13643d31353..af2297dd49c8 100644
--- a/drivers/media/video/mx3_camera.c
+++ b/drivers/media/video/mx3_camera.c
@@ -61,15 +61,9 @@
 
 #define MAX_VIDEO_MEM 16
 
-enum csi_buffer_state {
-        CSI_BUF_NEEDS_INIT,
-        CSI_BUF_PREPARED,
-};
-
 struct mx3_camera_buffer {
         /* common v4l buffer stuff -- must be first */
         struct vb2_buffer                       vb;
-        enum csi_buffer_state                   state;
         struct list_head                        queue;
 
         /* One descriptot per scatterlist (per frame) */
@@ -285,7 +279,7 @@ static void mx3_videobuf_queue(struct vb2_buffer *vb)
                 goto error;
         }
 
-        if (buf->state == CSI_BUF_NEEDS_INIT) {
+        if (!buf->txd) {
                 sg_dma_address(sg)      = vb2_dma_contig_plane_dma_addr(vb, 0);
                 sg_dma_len(sg)          = new_size;
 
@@ -298,7 +292,6 @@ static void mx3_videobuf_queue(struct vb2_buffer *vb)
                 txd->callback_param     = txd;
                 txd->callback           = mx3_cam_dma_done;
 
-                buf->state              = CSI_BUF_PREPARED;
                 buf->txd                = txd;
         } else {
                 txd = buf->txd;
@@ -385,7 +378,6 @@ static void mx3_videobuf_release(struct vb2_buffer *vb)
 
         /* Doesn't hurt also if the list is empty */
         list_del_init(&buf->queue);
-        buf->state = CSI_BUF_NEEDS_INIT;
 
         if (txd) {
                 buf->txd = NULL;
@@ -405,13 +397,13 @@ static int mx3_videobuf_init(struct vb2_buffer *vb)
         struct mx3_camera_dev *mx3_cam = ici->priv;
         struct mx3_camera_buffer *buf = to_mx3_vb(vb);
 
-        /* This is for locking debugging only */
-        INIT_LIST_HEAD(&buf->queue);
-        sg_init_table(&buf->sg, 1);
+        if (!buf->txd) {
+                /* This is for locking debugging only */
+                INIT_LIST_HEAD(&buf->queue);
+                sg_init_table(&buf->sg, 1);
 
-        buf->state = CSI_BUF_NEEDS_INIT;
-
-        mx3_cam->buf_total += vb2_plane_size(vb, 0);
+                mx3_cam->buf_total += vb2_plane_size(vb, 0);
+        }
 
         return 0;
 }
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c
index b03ffecb7438..1bde255e45df 100644
--- a/drivers/media/video/soc_camera.c
+++ b/drivers/media/video/soc_camera.c
@@ -171,7 +171,8 @@ static int soc_camera_try_fmt(struct soc_camera_device *icd,
         dev_dbg(icd->pdev, "TRY_FMT(%c%c%c%c, %ux%u)\n",
                 pixfmtstr(pix->pixelformat), pix->width, pix->height);
 
-        if (!(ici->capabilities & SOCAM_HOST_CAP_STRIDE)) {
+        if (pix->pixelformat != V4L2_PIX_FMT_JPEG &&
+            !(ici->capabilities & SOCAM_HOST_CAP_STRIDE)) {
                 pix->bytesperline = 0;
                 pix->sizeimage = 0;
         }
diff --git a/drivers/media/video/soc_mediabus.c b/drivers/media/video/soc_mediabus.c
index 89dce097a827..a397812635d6 100644
--- a/drivers/media/video/soc_mediabus.c
+++ b/drivers/media/video/soc_mediabus.c
@@ -378,6 +378,9 @@ EXPORT_SYMBOL(soc_mbus_samples_per_pixel);
 
 s32 soc_mbus_bytes_per_line(u32 width, const struct soc_mbus_pixelfmt *mf)
 {
+        if (mf->fourcc == V4L2_PIX_FMT_JPEG)
+                return 0;
+
         if (mf->layout != SOC_MBUS_LAYOUT_PACKED)
                 return width * mf->bits_per_sample / 8;
 
@@ -400,6 +403,9 @@ EXPORT_SYMBOL(soc_mbus_bytes_per_line);
 s32 soc_mbus_image_size(const struct soc_mbus_pixelfmt *mf,
                         u32 bytes_per_line, u32 height)
 {
+        if (mf->fourcc == V4L2_PIX_FMT_JPEG)
+                return 0;
+
         if (mf->layout == SOC_MBUS_LAYOUT_PACKED)
                 return bytes_per_line * height;
 
diff --git a/drivers/media/video/uvc/uvc_queue.c b/drivers/media/video/uvc/uvc_queue.c
index 9288fbd5001b..5577381b5bf0 100644
--- a/drivers/media/video/uvc/uvc_queue.c
+++ b/drivers/media/video/uvc/uvc_queue.c
@@ -338,6 +338,7 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
         if ((queue->flags & UVC_QUEUE_DROP_CORRUPTED) && buf->error) {
                 buf->error = 0;
                 buf->state = UVC_BUF_STATE_QUEUED;
+                buf->bytesused = 0;
                 vb2_set_plane_payload(&buf->buf, 0, 0);
                 return buf;
         }
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index c3b7b5f59b32..6bc47fc82fe2 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -402,8 +402,10 @@ static void v4l_print_hw_freq_seek(const void *arg, bool write_only)
 {
         const struct v4l2_hw_freq_seek *p = arg;
 
-        pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u\n",
-                p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing);
+        pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u, "
+                "rangelow=%u, rangehigh=%u\n",
+                p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing,
+                p->rangelow, p->rangehigh);
 }
 
 static void v4l_print_requestbuffers(const void *arg, bool write_only)
@@ -1853,6 +1855,8 @@ static int v4l_enum_freq_bands(const struct v4l2_ioctl_ops *ops,
                         .type = type,
                 };
 
+                if (p->index)
+                        return -EINVAL;
                 err = ops->vidioc_g_tuner(file, fh, &t);
                 if (err)
                         return err;
@@ -1870,6 +1874,8 @@ static int v4l_enum_freq_bands(const struct v4l2_ioctl_ops *ops,
 
                 if (type != V4L2_TUNER_RADIO)
                         return -EINVAL;
+                if (p->index)
+                        return -EINVAL;
                 err = ops->vidioc_g_modulator(file, fh, &m);
                 if (err)
                         return err;