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path: root/drivers/media/platform/stm32/stm32-cec.c
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2020-04-15media: move CEC platform drivers to a separate directoryMauro Carvalho Chehab
As CEC support doesn't depend on MEDIA_SUPPORT, let's place the platform drivers outside the media menu. As a side effect, instead of depends on PCI, seco driver can select it (and DMI). Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-03-12media: platform: stm32: don't print an error on probe deferralEtienne Carriere
Change stm32-cec driver to not print an error message when the device probe operation is deferred. Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Reviewed-by: Philippe Cornu <philippe.cornu@st.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-03-12media: platform: stm32: defer probe for auxiliary clockEtienne Carriere
Change stm32-cec driver to defer probe when auxiliary clock "hdmi-cec" is registered in the system not has not been probed yet. Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Reviewed-by: Philippe Cornu <philippe.cornu@st.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2019-04-22media: platform: stm32: wait end of transmissionYannick Fertre
It is mandatory to write CEC_CFGR only when CECEN=0. To protect transmission, a check have been added to delayed logical address modification. This patch is necessary tp pass all tests of compliance. Signed-off-by: Yannick Fertré <yannick.fertre@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-02-26media: platform: stm32: Adopt SPDX identifierBenjamin Gaignard
Add SPDX identifiers to files under stm32 directory Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> Acked-by: Philippe Ombredanne <pombredanne@nexb.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-08-26media: stm32-cec: use CEC_CAP_DEFAULTSHans Verkuil
Use the new CEC_CAP_DEFAULTS define in this driver. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-13[media] cec: add STM32 cec driverBenjamin Gaignard
This patch add cec driver for STM32 platforms. cec hardware block isn't not always used with hdmi so cec notifier is not implemented. That will be done later when STM32 DSI driver will be available. Driver compliance has been tested with cec-ctl and cec-compliance tools. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Yannick Fertre <yannick.fertre@st.com> [hans.verkuil@cisco.com: modified platform/Makefile to use obj-y] Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>