linux-kernel - [PATCH 3.10 25/53] ASoC: arizona: Fix bclk for sample rates that are multiple of 4kHz

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Message-Id: <20160127180650.282501190@linuxfoundation.org>
Date:	Wed, 27 Jan 2016 10:15:44 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Nikesh Oswal <Nikesh.Oswal@...rus.com>,
	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>,
	Mark Brown <broonie@...nel.org>
Subject: [PATCH 3.10 25/53] ASoC: arizona: Fix bclk for sample rates that are multiple of 4kHz

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nikesh Oswal <Nikesh.Oswal@...rus.com>

commit e73694d871867cae8471d2350ce89acb38bc2b63 upstream.

For a sample rate of 12kHz the bclk was taken from the 44.1kHz table as
we test for a multiple of 8kHz. This patch fixes this issue by testing
for multiples of 4kHz instead.

Signed-off-by: Nikesh Oswal <Nikesh.Oswal@...rus.com>
Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/soc/codecs/arizona.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1057,7 +1057,7 @@ static int arizona_hw_params(struct snd_
 	int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1];
 	int bclk, lrclk, wl, frame, bclk_target;
 
-	if (params_rate(params) % 8000)
+	if (params_rate(params) % 4000)
 		rates = &arizona_44k1_bclk_rates[0];
 	else
 		rates = &arizona_48k_bclk_rates[0];