On 5/18/2023 7:46 AM, Kuninori Morimoto wrote:
soc_get_playback_capture() (A) returns number of substreams for playback/capture (B). ASoC will probe the Sound Card and mapps CPU<->Codec pair. (A) static int soc_get_playback_capture(..., (B) int *playback, int *capture) { ... if (rtd->dai_link->playback_only) { *playback = 1; *capture = 0; } if (rtd->dai_link->capture_only) { *playback = 0; *capture = 1; } (C) return 0; } But it might be no playback no capture if it returns playback=0, capture=0. It is very difficult to notice about it. This patch indicates error at (C) then. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> ---
Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@xxxxxxxxxxxxxxx>