[PATCH] Asoc: wm_adsp: Add support for loading firmware with prefix name

[Jianhua Lu]

For platform using fdt, system_name is NULL, it doesn't provide
a way to load firmware with prefix name, so add it.

Signed-off-by: Jianhua Lu <lujianhua000@xxxxxxxxx>
---
 sound/soc/codecs/wm_adsp.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 216120b68b64..17481e42d440 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -760,6 +760,10 @@ static int wm_adsp_request_firmware_file(struct wm_adsp *dsp,
 		*filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s.%s", dir, dsp->part,
 				      dsp->fwf_name, wm_adsp_fw[dsp->fw].file, system_name,
 				      filetype);
+	else if (asoc_component_prefix)
+		*filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s.%s", dir, dsp->part,
+				      dsp->fwf_name, wm_adsp_fw[dsp->fw].file, asoc_component_prefix,
+				      filetype);
 	else
 		*filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s.%s", dir, dsp->part, dsp->fwf_name,
 				      wm_adsp_fw[dsp->fw].file, filetype);
@@ -831,6 +835,16 @@ static int wm_adsp_request_firmware_files(struct wm_adsp *dsp,
 							      NULL, "bin");
 			return 0;
 		}
+	} else if (asoc_component_prefix) {
+		if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename,
+						   cirrus_dir, NULL,
+						   asoc_component_prefix, "wmfw")) {
+			adsp_dbg(dsp, "Found '%s'\n", *wmfw_filename);
+			wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
+							      cirrus_dir, NULL,
+							      asoc_component_prefix, "bin");
+			return 0;
+		}
 	}
 
 	if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename,
-- 
2.39.2