media: docs: add an uAPI chapter for driver-specific stuff

There are some uAPI stuff that are driver-specific. Add them
to the main media uAPI body.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/media/index.rst

@@ -15,8 +15,6 @@ Linux Media Subsystem Documentation
    ../userspace-api/media/index
    ../driver-api/media/index
 
-   v4l-drivers/index
-
 .. only:: html and subproject
 
    Indices

Documentation/userspace-api/media/drivers/index.rst

@@ -2,7 +2,7 @@
 
 .. include:: <isonum.txt>
 
-.. _v4l-drivers:
+.. _v4l-drivers_uapi:
 
 ################################################
 Video4Linux (V4L)  driver-specific documentation
@@ -31,10 +31,9 @@ For more details see the file COPYING in the source distribution of Linux.
 	:maxdepth: 5
 	:numbered:
 
-	max2175
-	uvcvideo
-
 	cx2341x-uapi
 	imx-uapi
+	max2175
 	meye-uapi
 	omap3isp-uapi
+	uvcvideo

Documentation/userspace-api/media/index.rst

@@ -31,3 +31,5 @@ entitled "GNU Free Documentation License".
     cec/cec-api
     gen-errors
     fdl-appendix
+
+    drivers/index

Documentation/userspace-api/media/v4l/dev-sliced-vbi.rst

@@ -438,7 +438,7 @@ MPEG stream.
 *Historical context*: This format specification originates from a
 custom, embedded, sliced VBI data format used by the ``ivtv`` driver.
 This format has already been informally specified in the kernel sources
-in the file ``Documentation/media/v4l-drivers/cx2341x-uapi.rst`` . The
+in the file ``Documentation/userspace-api/media/drivers/cx2341x-uapi.rst`` . The
 maximum size of the payload and other aspects of this format are driven
 by the CX23415 MPEG decoder's capabilities and limitations with respect
 to extracting, decoding, and displaying sliced VBI data embedded within

Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst

@@ -116,7 +116,7 @@ enum v4l2_mpeg_stream_vbi_fmt -
     * - ``V4L2_MPEG_STREAM_VBI_FMT_IVTV``
       - VBI in private packets, IVTV format (documented in the kernel
 	sources in the file
-	``Documentation/media/v4l-drivers/cx2341x-uapi.rst``)
+	``Documentation/userspace-api/media/drivers/cx2341x-uapi.rst``)
 
 
 

Documentation/userspace-api/media/v4l/pixfmt-reserved.rst

@@ -58,7 +58,7 @@ please make a proposal on the linux-media mailing list.
       - YUV 4:2:0 format used by the IVTV driver.
 
 	The format is documented in the kernel sources in the file
-	``Documentation/media/v4l-drivers/cx2341x-uapi.rst``
+	``Documentation/userspace-api/media/drivers/cx2341x-uapi.rst``
     * .. _V4L2-PIX-FMT-CPIA1:
 
       - ``V4L2_PIX_FMT_CPIA1``

MAINTAINERS

@@ -10249,7 +10249,7 @@ L:	linux-media@vger.kernel.org
 S:	Maintained
 T:	git git://linuxtv.org/media_tree.git
 F:	Documentation/devicetree/bindings/media/i2c/max2175.txt
-F:	Documentation/media/v4l-drivers/max2175.rst
+F:	Documentation/userspace-api/media/drivers/max2175.rst
 F:	drivers/media/i2c/max2175*
 F:	include/uapi/linux/max2175.h
 
@@ -11389,7 +11389,7 @@ F:	drivers/regulator/mpq7920.h
 MOTION EYE VAIO PICTUREBOOK CAMERA DRIVER
 S:	Orphan
 W:	http://popies.net/meye/
-F:	Documentation/media/v4l-drivers/meye*
+F:	Documentation/userspace-api/media/drivers/meye*
 F:	drivers/media/pci/meye/
 F:	include/uapi/linux/meye.h
 

drivers/media/i2c/max2175.c

@@ -1194,7 +1194,7 @@ static const struct v4l2_ctrl_ops max2175_ctrl_ops = {
 
 /*
  * I2S output enable/disable configuration. This is a private control.
- * Refer to Documentation/media/v4l-drivers/max2175.rst for more details.
+ * Refer to Documentation/userspace-api/media/drivers/max2175.rst for more details.
  */
 static const struct v4l2_ctrl_config max2175_i2s_en = {
 	.ops = &max2175_ctrl_ops,
@@ -1210,7 +1210,7 @@ static const struct v4l2_ctrl_config max2175_i2s_en = {
 
 /*
  * HSLS value control LO freq adjacent location configuration.
- * Refer to Documentation/media/v4l-drivers/max2175.rst for more details.
+ * Refer to Documentation/userspace-api/media/drivers/max2175.rst for more details.
  */
 static const struct v4l2_ctrl_config max2175_hsls = {
 	.ops = &max2175_ctrl_ops,
@@ -1226,7 +1226,7 @@ static const struct v4l2_ctrl_config max2175_hsls = {
 /*
  * Rx modes below are a set of preset configurations that decides the tuner's
  * sck and sample rate of transmission. They are separate for EU & NA regions.
- * Refer to Documentation/media/v4l-drivers/max2175.rst for more details.
+ * Refer to Documentation/userspace-api/media/drivers/max2175.rst for more details.
  */
 static const char * const max2175_ctrl_eu_rx_modes[] = {
 	[MAX2175_EU_FM_1_2]	= "EU FM 1.2",