Re: [PATCH 2/4] soundwire: add enumeration_complete structure

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 





On 11/3/19 12:22 AM, Vinod Koul wrote:
On 23-10-19, 16:06, Pierre-Louis Bossart wrote:
We need an async mechanism to prevent access to Slaves that are not
fully-enumerated.

init_completion() will be invoked when the Slave becomes UNATTACHED,
and complete() will be invoked when the state become ATTACHED. Any
read/write before this status change will be delayed with a
wait_for_completion().

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
  include/linux/soundwire/sdw.h | 1 +
  1 file changed, 1 insertion(+)

diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index a381a596212b..1381edfaa206 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -565,6 +565,7 @@ struct sdw_slave {
  	u16 dev_num;
  	bool probed;
  	struct completion probe_complete;
+	struct completion enumeration_complete;

Which series/patch uses this..?

[PATCH 00/18] soundwire: code hardening and suspend-resume support
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
https://mailman.alsa-project.org/mailman/listinfo/alsa-devel



[Index of Archives]     [ALSA User]     [Linux Audio Users]     [Pulse Audio]     [Kernel Archive]     [Asterisk PBX]     [Photo Sharing]     [Linux Sound]     [Video 4 Linux]     [Gimp]     [Yosemite News]

  Powered by Linux