From: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
To: Mark Brown <broonie@kernel.org>
Cc: Timur Tabi <timur@tabi.org>,
Nicolin Chen <nicoleotsuka@gmail.com>,
Xiubo Li <Xiubo.Lee@gmail.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
<alsa-devel@alsa-project.org>, <linuxppc-dev@lists.ozlabs.org>,
<linux-kernel@vger.kernel.org>, <support.opensource@diasemi.com>
Subject: [PATCH] ASoC: fsl_ssi: Fix checking of dai format for AC97 mode
Date: Mon, 31 Aug 2015 18:24:09 +0100 [thread overview]
Message-ID: <9f62b701350bbb1857b56ba22bb832d7550b676e.1441041757.git.Adam.Thomson.Opensource@diasemi.com> (raw)
Current code incorrectly treats dai format for AC97 as bit mask
whereas it's actually an integer value. This causes DAI formats
other than AC97 (e.g. DSP_B) to trigger AC97 related code,
which is incorrect and breaks functionality. This patch fixes
the code to correctly compare values to determine AC97 or not.
Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
---
sound/soc/fsl/fsl_ssi.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index c0b940e..ee47041 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -249,7 +249,8 @@ MODULE_DEVICE_TABLE(of, fsl_ssi_ids);
static bool fsl_ssi_is_ac97(struct fsl_ssi_private *ssi_private)
{
- return !!(ssi_private->dai_fmt & SND_SOC_DAIFMT_AC97);
+ return (ssi_private->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) ==
+ SND_SOC_DAIFMT_AC97;
}
static bool fsl_ssi_is_i2s_master(struct fsl_ssi_private *ssi_private)
@@ -945,7 +946,7 @@ static int _fsl_ssi_set_dai_fmt(struct device *dev,
CCSR_SSI_SCR_TCH_EN);
}
- if (fmt & SND_SOC_DAIFMT_AC97)
+ if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_AC97)
fsl_ssi_setup_ac97(ssi_private);
return 0;
--
1.9.3
reply other threads:[~2015-08-31 17:31 UTC|newest]
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