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authorLu, Han <han.lu@intel.com>2015-03-19 08:38:00 +0800
committerMark Brown <broonie@kernel.org>2015-03-19 00:49:11 +0000
commit5d5b275d727753372f0a390b4121738d073f3e94 (patch)
treee0e439159f52d70420d2e0d528cc4fdcbc9ad225 /sound/soc/intel/sst-haswell-ipc.c
parent91b0d9aa933a2335f6f11983b19eaf9ebe3c2033 (diff)
downloadblackbird-op-linux-5d5b275d727753372f0a390b4121738d073f3e94.tar.gz
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Intel: ASoC: Add condition check before set param to waves
Check waves state before set parameter through ipc to prevent unexpected operation. Also remove redundant check. Signed-off-by: Lu, Han <han.lu@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/sst-haswell-ipc.c')
-rw-r--r--sound/soc/intel/sst-haswell-ipc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c
index 43fb5f339168..20b629a011de 100644
--- a/sound/soc/intel/sst-haswell-ipc.c
+++ b/sound/soc/intel/sst-haswell-ipc.c
@@ -2055,6 +2055,11 @@ int sst_hsw_launch_param_buf(struct sst_hsw *hsw)
{
int ret, idx;
+ if (!sst_hsw_is_module_active(hsw, SST_HSW_MODULE_WAVES)) {
+ dev_dbg(hsw->dev, "module waves is not active\n");
+ return 0;
+ }
+
/* put all param lines to DSP through ipc */
for (idx = 0; idx < hsw->param_idx_w; idx++) {
ret = sst_hsw_module_set_param(hsw,
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