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@@ -70,9 +70,13 @@ static void n810_ext_control(struct snd_soc_codec *codec)
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static int n810_startup(struct snd_pcm_substream *substream)
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{
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+ struct snd_pcm_runtime *runtime = substream->runtime;
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_codec *codec = rtd->socdev->codec;
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+ snd_pcm_hw_constraint_minmax(runtime,
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+ SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
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+
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n810_ext_control(codec);
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return clk_enable(sys_clkout2);
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}
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