[RFC PATCH 0/3] Separate BE DAI HW constraints from FE ones

[Jaroslav Kysela]

Dne 23. 03. 21 v 12:43 Codrin Ciubotariu napsal(a):

> To achieve this, the first thing needed is to detect whether a HW
> constraint rule is enforced by a FE or a BE DAI. This means that
> snd_pcm_hw_rule_add() needs to be able to differentiate between the two
> type of DAIs. For this, the runtime pointer to struct snd_pcm_runtime is
> replaced with a pointer to struct snd_pcm_substream, to be able to reach
> substream->pcm->internal to differentiate between FE and BE DAIs.

Think about other not-so-invasive solution. What about to use
'runtime->private_data' (struct snd_soc_pcm_runtime *) to determine FE / BE?

					Jaroslav
-- 
Jaroslav Kysela <perex at perex.cz>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.