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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2020-09-08 16:45:17 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-09-10 08:51:04 +0300 |
| commit | c2819e196b3cc1901a4612f72e66da4821966a5e (patch) | |
| tree | 6376e8c559d1c32f780542db0d2be95453e7b6a0 /include/linux/soundwire | |
| parent | 310f6dc6dc5d7372e878e3e401ae087b63d545de (diff) | |
| download | linux-c2819e196b3cc1901a4612f72e66da4821966a5e.tar.xz | |
soundwire: slave: add first_interrupt_done status
Some Slaves report incorrect information in their interrupt status
registers after a master/bus reset, track the initial interrupt
handling so that quirks can be introduced to filter out incorrect
information while keeping interrupts enabled in steady state.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20200908134521.6781-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include/linux/soundwire')
| -rw-r--r-- | include/linux/soundwire/sdw.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 9d94cdf6346f..2b93a8ef7fad 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -616,6 +616,8 @@ struct sdw_slave_ops { * between the Master suspending and the codec resuming, and make sure that * when the Master triggered a reset the Slave is properly enumerated and * initialized + * @first_interrupt_done: status flag tracking if the interrupt handling + * for a Slave happens for the first time after enumeration */ struct sdw_slave { struct sdw_slave_id id; @@ -637,6 +639,7 @@ struct sdw_slave { struct completion enumeration_complete; struct completion initialization_complete; u32 unattach_request; + bool first_interrupt_done; }; #define dev_to_sdw_dev(_dev) container_of(_dev, struct sdw_slave, dev) |