ASoC: Intel: Skylake: Don't unload module when in use

A module may have multiple instances in DSP, so unload only when usage
count is zero.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/sound/soc/intel/skylake/skl-sst.c b/sound/soc/intel/skylake/skl-sst.c
index 39d4aaac73bf..539529729e3f 100644
--- a/sound/soc/intel/skylake/skl-sst.c
+++ b/sound/soc/intel/skylake/skl-sst.c
@@ -417,6 +417,11 @@ static int skl_unload_module(struct sst_dsp *ctx, u16 mod_id)
                 dev_err(ctx->dev, "Module bad usage cnt!:%d\n", usage_cnt);
                 return -EIO;
         }
+
+        /* if module is used by others return, no need to unload */
+        if (usage_cnt > 0)
+                return 0;
+
         ret = skl_ipc_unload_modules(&skl->ipc,
                         SKL_NUM_MODULES, &mod_id);
         if (ret < 0) {