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SubjectRe: [PATCH] Asoc: wm_adsp: Add support for loading firmware with prefix name
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On 29/3/23 14:05, Jianhua Lu wrote:
> For platform using fdt, system_name is NULL, it doesn't provide
> a way to load firmware with prefix name, so add it.

This is intended behavior.

To load per-amp tuning you must know the function of each amp.
You only know that if you know what hardware platform you are running
on.

So if system_name is NULL it should fall back to generic firmware.

>
> Signed-off-by: Jianhua Lu <lujianhua000@gmail.com>
> ---
> 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,

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