On Wed, 20 Apr 2016 14:39:59 +0200, Charles Keepax wrote: > > If the DSP suffers an unrecoverable error, the driver likely > knows about this, however the framework may not get informed > because errors returned from pointer requests are ignored within > the framework. > > Things work out fine if user-space is doing a read as reads > return error status back to user-space so the user can find out > that things have gone bad. However, if user-space is doing an > avail request there is no path for the error to come back up to > user-space. The pointer request returns zero available data, so a > read never happens and we basically just end up sitting waiting > for data on a stream that we know full well has died. > > This patch set attempts to address this and ensure that errors > are fully propagated to user-space and we don't ever end up wait > for data that will never come. > > Changes since v4: > - Fix issue noticed by Vinod whereby the error state was being > overwritten when snd_compr_stop was called > > It might be easiest to put the ASoC changes through Mark's tree > as there are some merge conflicts otherwise, as such I have based > this series on Mark's tree. If it goes through Mark's tree, feel free to take my ack to these patches: Acked-by: Takashi Iwai <tiwai@xxxxxxx> Or if it's easier through my tree, let me know. thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
