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Diffstat (limited to 'include/media/v4l2-common.h')
-rw-r--r--include/media/v4l2-common.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index a298ec49ddc4..1a0b2db4c5d3 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -133,7 +133,7 @@ struct v4l2_subdev *v4l2_i2c_new_subdev_board(struct v4l2_device *v4l2_dev,
struct i2c_adapter *adapter, struct i2c_board_info *info,
const unsigned short *probe_addrs);
-/* Initialize an v4l2_subdev with data from an i2c_client struct */
+/* Initialize a v4l2_subdev with data from an i2c_client struct */
void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
const struct v4l2_subdev_ops *ops);
/* Return i2c client address of v4l2_subdev. */
@@ -166,7 +166,7 @@ struct spi_device;
struct v4l2_subdev *v4l2_spi_new_subdev(struct v4l2_device *v4l2_dev,
struct spi_master *master, struct spi_board_info *info);
-/* Initialize an v4l2_subdev with data from an spi_device struct */
+/* Initialize a v4l2_subdev with data from an spi_device struct */
void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,
const struct v4l2_subdev_ops *ops);
#endif
@@ -212,4 +212,17 @@ const struct v4l2_frmsize_discrete *v4l2_find_nearest_format(
const struct v4l2_discrete_probe *probe,
s32 width, s32 height);
+bool v4l_match_dv_timings(const struct v4l2_dv_timings *t1,
+ const struct v4l2_dv_timings *t2,
+ unsigned pclock_delta);
+
+bool v4l2_detect_cvt(unsigned frame_height, unsigned hfreq, unsigned vsync,
+ u32 polarities, struct v4l2_dv_timings *fmt);
+
+bool v4l2_detect_gtf(unsigned frame_height, unsigned hfreq, unsigned vsync,
+ u32 polarities, struct v4l2_fract aspect,
+ struct v4l2_dv_timings *fmt);
+
+struct v4l2_fract v4l2_calc_aspect_ratio(u8 hor_landscape, u8 vert_portrait);
+
#endif /* V4L2_COMMON_H_ */