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@@ -516,6 +516,12 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
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struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
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struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
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int err = 0;
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int err = 0;
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+ if (mcbsp_data->active)
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+ if (freq == mcbsp_data->in_freq)
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+ return 0;
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+ else
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+ return -EBUSY;
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+
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/* The McBSP signal muxing functions are only available on McBSP1 */
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/* The McBSP signal muxing functions are only available on McBSP1 */
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if (clk_id == OMAP_MCBSP_CLKR_SRC_CLKR ||
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if (clk_id == OMAP_MCBSP_CLKR_SRC_CLKR ||
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clk_id == OMAP_MCBSP_CLKR_SRC_CLKX ||
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clk_id == OMAP_MCBSP_CLKR_SRC_CLKX ||
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