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Diffstat (limited to 'sound/soc/intel/sst/sst_drv_interface.c')
-rw-r--r--sound/soc/intel/sst/sst_drv_interface.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/sound/soc/intel/sst/sst_drv_interface.c b/sound/soc/intel/sst/sst_drv_interface.c
index 5d56fcdd58d8..549af7d7f6d0 100644
--- a/sound/soc/intel/sst/sst_drv_interface.c
+++ b/sound/soc/intel/sst/sst_drv_interface.c
@@ -138,12 +138,31 @@ int sst_get_stream(struct intel_sst_drv *ctx,
static int sst_power_control(struct device *dev, bool state)
{
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
+ int ret = 0;
- dev_dbg(ctx->dev, "state:%d", state);
- if (state == true)
- return pm_runtime_get_sync(dev);
- else
+ if (state == true) {
+ ret = pm_runtime_get_sync(dev);
+ dev_dbg(ctx->dev, "Enable: pm usage count: %d\n",
+ atomic_read(&dev->power.usage_count));
+ if (ret < 0) {
+ dev_err(ctx->dev, "Runtime get failed with err: %d\n", ret);
+ return ret;
+ }
+ if ((ctx->sst_state == SST_RESET) &&
+ (atomic_read(&dev->power.usage_count) == 1)) {
+ ret = sst_load_fw(ctx);
+ if (ret) {
+ dev_err(dev, "FW download fail %d\n", ret);
+ sst_set_fw_state_locked(ctx, SST_RESET);
+ ret = sst_pm_runtime_put(ctx);
+ }
+ }
+ } else {
+ dev_dbg(ctx->dev, "Disable: pm usage count: %d\n",
+ atomic_read(&dev->power.usage_count));
return sst_pm_runtime_put(ctx);
+ }
+ return ret;
}
/*