diff mbox series

[v2,09/15] ASoC: rockchip: i2s: Add property to specify play/cap capability

Message ID 1629796682-4170-4-git-send-email-sugar.zhang@rock-chips.com
State New
Headers show
Series Patches to update for rockchip i2s | expand

Commit Message

sugar zhang Aug. 24, 2021, 9:17 a.m. UTC 
- 'rockchip,playback-only': support playback only.
- 'rockchip,capture-only': support capture only.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
---

Changes in v2: None

 sound/soc/rockchip/rockchip_i2s.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 15e2690..90580dc 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -720,6 +720,11 @@  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);