Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...

[firefly-linux-kernel-4.4.55.git] / include / media / soc_camera_platform.h

diff --git a/include/media/soc_camera_platform.h b/include/media/soc_camera_platform.h
index 0ecefe227b767c3894847e1bbb5b7225e5bd6af7..6d7a4fd00fc064a42f77b3e0caba5fb66c3f1f40 100644 (file)
--- a/include/media/soc_camera_platform.h
+++ b/include/media/soc_camera_platform.h
@@ -25,4 +25,54 @@ struct soc_camera_platform_info {
        int (*set_capture)(struct soc_camera_platform_info *info, int enable);
 };
 
+static inline void soc_camera_platform_release(struct platform_device **pdev)
+{
+       *pdev = NULL;
+}
+
+static inline int soc_camera_platform_add(const struct soc_camera_link *icl,
+                                         struct device *dev,
+                                         struct platform_device **pdev,
+                                         struct soc_camera_link *plink,
+                                         void (*release)(struct device *dev),
+                                         int id)
+{
+       struct soc_camera_platform_info *info = plink->priv;
+       int ret;
+
+       if (icl != plink)
+               return -ENODEV;
+
+       if (*pdev)
+               return -EBUSY;
+
+       *pdev = platform_device_alloc("soc_camera_platform", id);
+       if (!*pdev)
+               return -ENOMEM;
+
+       info->dev = dev;
+
+       (*pdev)->dev.platform_data = info;
+       (*pdev)->dev.release = release;
+
+       ret = platform_device_add(*pdev);
+       if (ret < 0) {
+               platform_device_put(*pdev);
+               *pdev = NULL;
+               info->dev = NULL;
+       }
+
+       return ret;
+}
+
+static inline void soc_camera_platform_del(const struct soc_camera_link *icl,
+                                          struct platform_device *pdev,
+                                          const struct soc_camera_link *plink)
+{
+       if (icl != plink || !pdev)
+               return;
+
+       platform_device_unregister(pdev);
+}
+
 #endif /* __SOC_CAMERA_H__ */