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Message-Id: <1465426980-10924-1-git-send-email-nicoleotsuka@gmail.com>
Date: Wed, 8 Jun 2016 16:03:00 -0700
From: Nicolin Chen <nicoleotsuka@...il.com>
To: broonie@...nel.org
Cc: lgirdwood@...il.com, brian.austin@...rus.com,
Paul.Handrigan@...rus.com, linux-kernel@...r.kernel.org,
alsa-devel@...a-project.org
Subject: [PATCH] ASoC: cs53l30: Correct clock inversion check
SND_SOC_DAIFMT_IB_NF = 0x3 (11b) | SND_SOC_DAIFMT_IB_IF = 0x4 (100b)
creates a mask 0x7 (111b) which also includes SND_SOC_DAIFMT_IB_NF
= 0x2 (10b).
So this patch uses the traditional way to check the clock inversion.
Signed-off-by: Nicolin Chen <nicoleotsuka@...il.com>
---
sound/soc/codecs/cs53l30.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/cs53l30.c b/sound/soc/codecs/cs53l30.c
index ac90dd7..62daa0c 100644
--- a/sound/soc/codecs/cs53l30.c
+++ b/sound/soc/codecs/cs53l30.c
@@ -598,8 +598,14 @@ static int cs53l30_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
}
/* Check to see if the SCLK is inverted */
- if (fmt & (SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_IB_IF))
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_IB_NF:
+ case SND_SOC_DAIFMT_IB_IF:
aspcfg ^= CS53L30_ASP_SCLK_INV;
+ break;
+ default:
+ break;
+ }
regmap_update_bits(priv->regmap, CS53L30_ASPCFG_CTL,
CS53L30_ASP_MS | CS53L30_ASP_SCLK_INV, aspcfg);
--
2.1.4
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