soundwire: cadence: add interface to check clock status

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If master is in clock stop state, driver can't modify registers
in master except the registers for clock stop setting.

Signed-off-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200317163329.25501-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Rander Wang 2020-03-17 11:33:15 -05:00 • committed by Vinod Koul

parent 7b174f24f4

commit 5a885c52cf

2 changed files with 13 additions and 0 deletions

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11

drivers/soundwire/cadence_master.c

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2

drivers/soundwire/cadence_master.h

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