diff options
| author | Paweł Piskorski <pawel.piskorski@intel.com> | 2014-08-01 23:09:44 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-08-01 19:11:28 +0100 |
| commit | 94ce33456dbada5cb6ae1e10bd8895f034de731d (patch) | |
| tree | 108731007dfcd4860d8a6b7b993ac72dd9c96165 | |
| parent | 97cfc751e1f2c300e093a9d2840aeee075db68d4 (diff) | |
ASoC: Intel: Don't issue ipc when processing response
Make sure we dont issue IPC when we are processing a response.
Signed-off-by: Paweł Piskorski <pawel.piskorski@intel.com>
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Jie Yang <yang.jie@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
| -rw-r--r-- | sound/soc/intel/sst-haswell-ipc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c index 1ca71a283761..ae204a6e316b 100644 --- a/sound/soc/intel/sst-haswell-ipc.c +++ b/sound/soc/intel/sst-haswell-ipc.c @@ -457,9 +457,10 @@ static void ipc_tx_msgs(struct kthread_work *work) return; } - /* if the DSP is busy we will TX messages after IRQ */ + /* if the DSP is busy, we will TX messages after IRQ. + * also postpone if we are in the middle of procesing completion irq*/ ipcx = sst_dsp_shim_read_unlocked(hsw->dsp, SST_IPCX); - if (ipcx & SST_IPCX_BUSY) { + if (ipcx & (SST_IPCX_BUSY | SST_IPCX_DONE)) { spin_unlock_irqrestore(&hsw->dsp->spinlock, flags); return; } |