linux-kernel - [PATCH 5/8] ASoC: core: set_tdm_slot() will return -ENOTSUPP if no operation provided

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Date:	Thu, 23 Jan 2014 13:02:47 +0800
From:	Xiubo Li <Li.Xiubo@...escale.com>
To:	<lgirdwood@...il.com>, <broonie@...nel.org>,
	<shawn.guo@...aro.org>, <kuninori.morimoto.gx@...esas.com>
CC:	<moinejf@...e.fr>, <alsa-devel@...a-project.org>,
	<linux-kernel@...r.kernel.org>, Xiubo Li <Li.Xiubo@...escale.com>
Subject: [PATCH 5/8] ASoC: core: set_tdm_slot() will return -ENOTSUPP if no operation provided

Make it easier for generic code to work with set_tdm_slot() by distinguishing
between the operation not being supported and an error as is done.

Signed-off-by: Xiubo Li <Li.Xiubo@...escale.com>
---
 sound/soc/soc-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index fe1df50..393ff06 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3626,7 +3626,7 @@ int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
 		return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask,
 				slots, slot_width);
 	else
-		return -EINVAL;
+		return -ENOTSUPP;
 }
 EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot);
 
-- 
1.8.4


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