Revert "fix false disconnect due to a signal sent to the reading process"

This reverts commit f52405bc60affa849e89712a70fbbf6341464131.
Revert "MDP: correct clock calculation logic for up-scaling scenario"

This reverts commit bc52ab4106ea61ef44ac9c5f7837ebb775c07277.
Revert "[media] media: Init the reserved fields of struct media_link_desc"

This reverts commit 77710a792373890250b29091f86f3be30d990a8a.
Revert "power: don't wait for timeout if sys_sync completes early"

This reverts commit dd6c29438e8f563178f25d03f78c831c95c0c1c5.