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| author | Arnd Bergmann <arnd@arndb.de> | 2011-10-20 14:59:19 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-10-20 14:59:19 +0200 |
| commit | 2f540738f8d228016c6cd0d3b303896c174ecee3 (patch) | |
| tree | 7e6574c041ac4386763f94d3d401d70f4ab6f55b /sound/soc/omap/omap-mcbsp.c | |
| parent | a3849a4c038a21075a0bc7eaf37f65a93976d10c (diff) | |
| parent | d8e9c00e38f6947cef7f5466a0a3d369461ab97f (diff) | |
Merge branch 'tegra/cleanup' into next/cleanup
Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
| -rw-r--r-- | sound/soc/omap/omap-mcbsp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index ebcc2d4d2b18..478d60778453 100644 --- 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 || |