MA-7121 enable camera hal v3 interface.
Add vmap and vunmap interface for ION module.
Because they are called by UVC driver.
Signed-off-by: Xiaowen Liu <xiaowen.liu@freescale.com>
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index 218a02c..78f6f09 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -1088,6 +1088,22 @@
mutex_unlock(&buffer->lock);
}
+static void* ion_dma_buf_vmap(struct dma_buf *dmabuf)
+{
+ struct ion_buffer *buffer = dmabuf->priv;
+
+ if (ion_dma_buf_begin_cpu_access(dmabuf, 0, 0, DMA_NONE) != 0) {
+ return NULL;
+ }
+
+ return buffer->vaddr;
+}
+
+static void ion_dma_buf_vunmap(struct dma_buf *dmabuf, void* vaddr)
+{
+ return ion_dma_buf_end_cpu_access(dmabuf, 0, 0, DMA_NONE);
+}
+
static struct dma_buf_ops dma_buf_ops = {
.map_dma_buf = ion_map_dma_buf,
.unmap_dma_buf = ion_unmap_dma_buf,
@@ -1099,6 +1115,8 @@
.kunmap_atomic = ion_dma_buf_kunmap,
.kmap = ion_dma_buf_kmap,
.kunmap = ion_dma_buf_kunmap,
+ .vmap = ion_dma_buf_vmap,
+ .vunmap = ion_dma_buf_vunmap,
};
struct dma_buf *ion_share_dma_buf(struct ion_client *client,
