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authorLinus Torvalds <torvalds@linux-foundation.org>2011-09-27 15:46:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-09-27 15:46:21 -0700
commit058e0676ba73d1345e70d07d341a29e2073b2e67 (patch)
treecc3e7681c9ccd94e179b81639de4fb829c430af9 /sound/soc/omap/omap-mcbsp.c
parent57119327df3a824dc9a59973d3db7e5bdd2e75cc (diff)
parent0fac25908f8e26a27d869f0aa4fad04c3db60dc7 (diff)
Merge branch 'for-linus' of git://github.com/tiwai/sound
* 'for-linus' of git://github.com/tiwai/sound: ASoC: ssm2602: Re-enable oscillator after suspend ALSA: usb-audio: Check for possible chip NULL pointer before clearing probing flag ALSA: hda/realtek - Don't detect LO jack when identical with HP ALSA: hda/realtek - Avoid bogus HP-pin assignment ALSA: HDA: No power nids on 92HD93 ASoC: omap-mcbsp: Do not attempt to change DAI sysclk if stream is active
Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
-rw-r--r--sound/soc/omap/omap-mcbsp.c6
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 ||