return ret;
}
-static int intel_sst_runtime_resume(struct device *dev)
-{
- int ret = 0;
- struct intel_sst_drv *ctx = dev_get_drvdata(dev);
-
- if (ctx->sst_state == SST_RESET) {
- ret = sst_load_fw(ctx);
- if (ret) {
- dev_err(dev, "FW download fail %d\n", ret);
- sst_set_fw_state_locked(ctx, SST_RESET);
- }
- }
- return ret;
-}
-
static int intel_sst_resume(struct device *dev)
{
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
struct sst_block *block;
if (!fw_save)
- return intel_sst_runtime_resume(dev);
+ return 0;
sst_set_fw_state_locked(ctx, SST_FW_LOADING);
.suspend = intel_sst_suspend,
.resume = intel_sst_resume,
.runtime_suspend = intel_sst_runtime_suspend,
- .runtime_resume = intel_sst_runtime_resume,
};
EXPORT_SYMBOL_GPL(intel_sst_pm);
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;
}
/*