linux-kernel - [PATCH v8 20/34] media: imx: Add a TODO file

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Date:   Wed,  7 Jun 2017 11:33:59 -0700
From:   Steve Longerbeam <slongerbeam@...il.com>
To:     robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        kernel@...gutronix.de, fabio.estevam@....com,
        linux@...linux.org.uk, mchehab@...nel.org, hverkuil@...all.nl,
        nick@...anahar.org, markus.heiser@...marIT.de,
        p.zabel@...gutronix.de, laurent.pinchart+renesas@...asonboard.com,
        bparrot@...com, geert@...ux-m68k.org, arnd@...db.de,
        sudipm.mukherjee@...il.com, minghsiu.tsai@...iatek.com,
        tiffany.lin@...iatek.com, jean-christophe.trotin@...com,
        horms+renesas@...ge.net.au, niklas.soderlund+renesas@...natech.se,
        robert.jarzmik@...e.fr, songjun.wu@...rochip.com,
        andrew-ct.chen@...iatek.com, gregkh@...uxfoundation.org,
        shuah@...nel.org, sakari.ailus@...ux.intel.com, pavel@....cz
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org,
        Steve Longerbeam <steve_longerbeam@...tor.com>
Subject: [PATCH v8 20/34] media: imx: Add a TODO file

Add a TODO file.

Signed-off-by: Steve Longerbeam <steve_longerbeam@...tor.com>
---
 drivers/staging/media/imx/TODO | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 drivers/staging/media/imx/TODO

diff --git a/drivers/staging/media/imx/TODO b/drivers/staging/media/imx/TODO
new file mode 100644
index 0000000..0bee313
--- /dev/null
+++ b/drivers/staging/media/imx/TODO
@@ -0,0 +1,23 @@
+
+- Clean up and move the ov5642 subdev driver to drivers/media/i2c, or
+  merge support for OV5642 into drivers/media/i2c/ov5640.c, and create
+  the binding docs for it.
+
+- The Frame Interval Monitor could be exported to v4l2-core for
+  general use.
+
+- At driver load time, the device-tree node that is the original source
+  (the "sensor"), is parsed to record its media bus configuration, and
+  this info is required in imx-media-csi.c to setup the CSI.
+  Laurent Pinchart argues that instead the CSI subdev should call its
+  neighbor's g_mbus_config op (which should be propagated if necessary)
+  to get this info. However Hans Verkuil is planning to remove the
+  g_mbus_config op. For now this driver uses the parsed DT mbus config
+  method until this issue is resolved.
+
+- This media driver supports inheriting V4L2 controls to the
+  video capture devices, from the subdevices in the capture device's
+  pipeline. The controls for each capture device are updated in the
+  link_notify callback when the pipeline is modified. It should be
+  decided whether this feature is useful enough to make it generally
+  available by exporting to v4l2-core.
-- 
2.7.4