On 8/19/19 10:41 AM, Hugues Fruchet wrote: > This patch serie allows to connect non-parallel camera sensor to > DCMI thanks to a bridge connected in between such as STMIPID02 [1]. > > Media controller support is introduced first, then support of > several sub-devices within pipeline with dynamic linking > between them. > In order to keep backward compatibility with applications > relying on V4L2 interface only, format set on video node > is propagated to all sub-devices connected to camera interface. > > [1] https://www.spinics.net/lists/devicetree/msg278002.html > > =========== > = history = > =========== > version 7: > - minor fix on 80 char trace message v6 is already in a pending PR. I don't really want to make a new PR just for a 80 char warning. It can always be done in a follow-up patch. Regards, Hans > > version 6: > - As per Sakari remark: add a FIXME explaining that this > version only supports subdevices which expose RGB & YUV > "parallel form" mbus code (_2X8) > - Add some trace around subdev_call(s_fmt) error & format > changes to debug subdev which only expose serial mbus code > - Conform to "<name>":<pad index> when tracing subdev infos > > version 5: > - Remove remaining Change-Id > - Add Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> > > version 4: > - Also drop subdev nodes registry as suggested by Hans: > https://www.spinics.net/lists/arm-kernel/msg743375.html > > version 3: > - Drop media device registry to not expose media controller > interface to userspace as per Laurent' suggestion: > https://www.spinics.net/lists/linux-media/msg153417.html > - Prefer "source" instead of "sensor" and keep it in > dcmi_graph_entity struct, move asd as first member > of struct as per Sakari' suggestion: > https://www.spinics.net/lists/linux-media/msg153119.html > - Drop dcmi_graph_deinit() as per Sakari' suggestion: > https://www.spinics.net/lists/linux-media/msg153417.html > > version 2: > - Fix bus_info not consistent between media and V4L: > https://www.spinics.net/lists/arm-kernel/msg717676.html > - Propagation of format set on video node to the sub-devices > chain connected on camera interface > > version 1: > - Initial submission > > Hugues Fruchet (4): > media: stm32-dcmi: improve sensor subdev naming > media: stm32-dcmi: trace the supported fourcc/mbus_code > media: stm32-dcmi: add media controller support > media: stm32-dcmi: add support of several sub-devices > > drivers/media/platform/Kconfig | 2 +- > drivers/media/platform/stm32/stm32-dcmi.c | 318 +++++++++++++++++++++++++----- > 2 files changed, 268 insertions(+), 52 deletions(-) >
