ASoC: Intel: sst: load firmware using async callback
We would like the DSP firmware to be available in driver as soon as possible. So
use the async callback in driver to probe to load the firmware as soon as
usermode is up
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/intel/sst/sst.c b/sound/soc/intel/sst/sst.c
index 04af246..fdada40 100644
--- a/sound/soc/intel/sst/sst.c
+++ b/sound/soc/intel/sst/sst.c
@@ -364,6 +364,21 @@
sst_set_fw_state_locked(sst_drv_ctx, SST_RESET);
+ snprintf(sst_drv_ctx->firmware_name, sizeof(sst_drv_ctx->firmware_name),
+ "%s%04x%s", "fw_sst_",
+ sst_drv_ctx->dev_id, ".bin");
+ dev_dbg(sst_drv_ctx->dev,
+ "Requesting FW %s now...\n", sst_drv_ctx->firmware_name);
+ ret = request_firmware_nowait(THIS_MODULE, 1,
+ sst_drv_ctx->firmware_name, sst_drv_ctx->dev,
+ GFP_KERNEL, sst_drv_ctx, sst_firmware_load_cb);
+
+ if (ret) {
+ dev_err(sst_drv_ctx->dev,
+ "Firmware load failed with error: %d\n", ret);
+ goto do_release_regions;
+ }
+
sst_drv_ctx->irq_num = pci->irq;
/* Register the ISR */
ret = devm_request_threaded_irq(&pci->dev, pci->irq,