static unsigned int g2d_poll(struct file *file, struct poll_table_struct *wait)
{
struct g2d_ctx *ctx = fh2ctx(file->private_data);
struct g2d_dev *dev = ctx->dev;
unsigned int res;
mutex_lock(&dev->mutex);
res = v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
mutex_unlock(&dev->mutex);
return res;
}
static int g2d_release(struct file *file)
{
struct g2d_dev *dev = video_drvdata(file);
struct g2d_ctx *ctx = fh2ctx(file->private_data);
v4l2_ctrl_handler_free(&ctx->ctrl_handler);
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);
kfree(ctx);
v4l2_info(&dev->v4l2_dev, "instance closed\n");
return 0;
}
static int g2d_mmap(struct file *file, struct vm_area_struct *vma)
{
struct g2d_ctx *ctx = fh2ctx(file->private_data);
struct g2d_dev *dev = ctx->dev;
int ret;
if (mutex_lock_interruptible(&dev->mutex))
return -ERESTARTSYS;
ret = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
mutex_unlock(&dev->mutex);
return ret;
}
static int g2d_mmap(struct file *file, struct vm_area_struct *vma)
{
struct g2d_ctx *ctx = fh2ctx(file->private_data);
return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
}
static unsigned int g2d_poll(struct file *file, struct poll_table_struct *wait)
{
struct g2d_ctx *ctx = fh2ctx(file->private_data);
return v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
}
