From 5d5b275d727753372f0a390b4121738d073f3e94 Mon Sep 17 00:00:00 2001 From: "Lu, Han" Date: Thu, 19 Mar 2015 08:38:00 +0800 Subject: 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 Signed-off-by: Mark Brown --- sound/soc/intel/sst-haswell-ipc.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'sound/soc/intel/sst-haswell-ipc.c') 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, -- cgit v1.2.3