[PATCH v3 6/8] ASoC: wm_adsp: Add support for loading bin files without wmfw

[Richard Fitzgerald via Alsa-devel <alsa-devel@alsa-project.org>]

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From: Richard Fitzgerald <rf@opensource.cirrus.com>
To: <broonie@kernel.org>, <pierre-louis.bossart@linux.intel.com>
Cc: peter.ujfalusi@linux.intel.com, yung-chuan.liao@linux.intel.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, patches@opensource.cirrus.com, Simon Trimmer <simont@opensource.cirrus.com>, Richard Fitzgerald <rf@opensource.cirrus.com>
Subject: [PATCH v3 6/8] ASoC: wm_adsp: Add support for loading bin files without wmfw
Date: Mon, 20 Mar 2023 11:22:43 +0000
Message-ID: <20230320112245.115720-7-rf@opensource.cirrus.com>

From: Simon Trimmer <simont@opensource.cirrus.com>

A self-booted DSP may have a file of coefficients to apply to the device
even when there is no firmware to download.

Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
---
 sound/soc/codecs/wm_adsp.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index d4bffa2f7005..c23c306dc38d 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -850,8 +850,29 @@ static int wm_adsp_request_firmware_files(struct wm_adsp *dsp,
 		return 0;
 	}
 
-	if (dsp->wmfw_optional)
+	if (dsp->wmfw_optional) {
+		if (system_name) {
+			if (asoc_component_prefix)
+				wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
+							      cirrus_dir, system_name,
+							      asoc_component_prefix, "bin");
+
+			if (!*coeff_firmware)
+				wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
+							      cirrus_dir, system_name,
+							      NULL, "bin");
+		}
+
+		if (!*coeff_firmware)
+			wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
+						      "", NULL, NULL, "bin");
+
+		if (!*coeff_firmware)
+			wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
+						      cirrus_dir, NULL, NULL, "bin");
+
 		return 0;
+	}
 
 	adsp_err(dsp, "Failed to request firmware <%s>%s-%s-%s<-%s<%s>>.wmfw\n",
 		 cirrus_dir, dsp->part, dsp->fwf_name, wm_adsp_fw[dsp->fw].file,
-- 
2.30.2