From: han.lu@intel.com Subject: [PATCH 1/1] Intel: ASoC: Add condition check before set param to waves Date: Thu, 19 Mar 2015 08:38:00 +0800 Message-ID: <1426725480-31645-1-git-send-email-han.lu@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by alsa0.perex.cz (Postfix) with ESMTP id 532B3260504 for ; Thu, 19 Mar 2015 01:40:06 +0100 (CET) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: broonie@kernel.org, alsa-devel@alsa-project.org, liam.r.girdwood@intel.com Cc: "Lu, Han" List-Id: alsa-devel@alsa-project.org From: "Lu, Han" Check waves state before set parameter through ipc to prevent unexpected operation. Also remove redundant check. Signed-off-by: Lu, Han diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c index 43fb5f3..20b629a 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, diff --git a/sound/soc/intel/sst-haswell-pcm.c b/sound/soc/intel/sst-haswell-pcm.c index b40ec74..6c6229a 100644 --- a/sound/soc/intel/sst-haswell-pcm.c +++ b/sound/soc/intel/sst-haswell-pcm.c @@ -399,13 +399,9 @@ static int hsw_waves_param_put(struct snd_kcontrol *kcontrol, if (ret < 0) return ret; - if (sst_hsw_is_module_loaded(hsw, id)) { - if (!sst_hsw_is_module_active(hsw, id)) - return 0; - + if (sst_hsw_is_module_active(hsw, id)) ret = sst_hsw_module_set_param(hsw, id, 0, param_id, param_size, ucontrol->value.bytes.data); - } return ret; } -- 1.9.1