On Tue, 05 Nov 2019 15:32:18 +0100, Andrew Gabbasov wrote: > > Show and change sound card timer source with read-write info > file in proc filesystem. Initial string can still be set as > module parameter. > > The timer source string value can be changed at any time, > but it is latched by PCM substream open callback (the first one > for a particular cable). At this point it is actually used, that > is the string is parsed, and the timer is looked up and opened. > > The timer source is set for a loopback card (the same as initial > setting by module parameter), but every cable uses the value, > current at the moment of open. > > Setting the value to empty string switches the timer to jiffies. > > Signed-off-by: Andrew Gabbasov <andrew_gabbasov@xxxxxxxxxx> Unfortunately the whole code here are racy. It may lead to a crash or use-after-free easily. Some locking is needed definitely. thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
