- 'rockchip,playback-only': support playback only. - 'rockchip,capture-only': support capture only. Signed-off-by: Sugar Zhang <sugar.zhang@xxxxxxxxxxxxxx> Change-Id: Ie022214de4e42bba5ba898ea39a4e39807e8d4ab --- sound/soc/rockchip/rockchip_i2s.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 8a432ae..cedfe47 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -721,6 +721,11 @@ static int rockchip_i2s_probe(struct platform_device *pdev) soc_dai->capture.channels_max = val; } + if (of_property_read_bool(node, "rockchip,playback-only")) + soc_dai->capture.channels_min = 0; + else if (of_property_read_bool(node, "rockchip,capture-only")) + soc_dai->playback.channels_min = 0; + ret = devm_snd_soc_register_component(&pdev->dev, &rockchip_i2s_component, soc_dai, 1); -- 2.7.4
