Merge branch 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus

[pandora-kernel.git] / sound / soc / omap / omap-mcbsp.c

diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index ebcc2d4..478d607 100644 (file)
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -516,6 +516,12 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
        struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
        int err = 0;
 
+       if (mcbsp_data->active)
+               if (freq == mcbsp_data->in_freq)
+                       return 0;
+               else
+                       return -EBUSY;
+
        /* The McBSP signal muxing functions are only available on McBSP1 */
        if (clk_id == OMAP_MCBSP_CLKR_SRC_CLKR ||
            clk_id == OMAP_MCBSP_CLKR_SRC_CLKX ||