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-rw-r--r--Documentation/userspace-api/media/v4l/ext-ctrls-jpeg.rst13
1 files changed, 6 insertions, 7 deletions
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-jpeg.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-jpeg.rst
index e07a2dbcd65d..60f9a09422d6 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-jpeg.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-jpeg.rst
@@ -64,13 +64,12 @@ JPEG Control IDs
.. _jpeg-quality-control:
``V4L2_CID_JPEG_COMPRESSION_QUALITY (integer)``
- ``V4L2_CID_JPEG_COMPRESSION_QUALITY`` control determines trade-off
- between image quality and size. It provides simpler method for
- applications to control image quality, without a need for direct
- reconfiguration of luminance and chrominance quantization tables. In
- cases where a driver uses quantization tables configured directly by
- an application, using interfaces defined elsewhere,
- ``V4L2_CID_JPEG_COMPRESSION_QUALITY`` control should be set by
+ Determines trade-off between image quality and size.
+ It provides simpler method for applications to control image quality,
+ without a need for direct reconfiguration of luminance and chrominance
+ quantization tables. In cases where a driver uses quantization tables
+ configured directly by an application, using interfaces defined
+ elsewhere, ``V4L2_CID_JPEG_COMPRESSION_QUALITY`` control should be set by
driver to 0.
The value range of this control is driver-specific. Only positive,