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-rw-r--r--include/media/v4l2-common.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index d3fd481..2f24029 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -107,4 +107,11 @@ enum v4l2_chip_ident {
be made. */
#define VIDIOC_INT_G_CHIP_IDENT _IOR ('d', 107, enum v4l2_chip_ident *)
+/* Sets I2S speed in bps. This is used to provide a standard way to select I2S
+ clock used by driving digital audio streams at some board designs.
+ Usual values for the frequency are 1024000 and 2048000.
+ If the frequency is not supported, then -EINVAL is returned. */
+#define VIDIOC_INT_I2S_CLOCK_FREQ _IOW ('d', 108, u32)
+
+
#endif /* V4L2_COMMON_H_ */
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