media: platform: Add mechanism to handle jpeg hardware's locking up

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There is a delayed work scheduled before starting the hardware and
canceled in the interrupt handler. If the delayed work is executed, it
resets the hardware and reports the failure to V4L2, so that the
execution can continue from next frames.

Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Xia Jiang <xia.jiang@mediatek.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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Xia Jiang 2020-08-14 09:11:42 +02:00 • committed by Mauro Carvalho Chehab

parent f9f964519c

commit 0058ff2bef

2 changed files with 29 additions and 0 deletions

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25

drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c

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4

drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h

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