From: "Krzysztof Kozlowski" krzk@kernel.org Sent: Sunday, 23 June, 2024 13:07:46
On 20/06/2024 15:25, Elinor Montmasson wrote:
The S/PDIF audio card support was merged from imx-spdif into the fsl-asoc-card driver, making it possible to use an S/PDIF with an ASRC. Add the new compatible and update properties.
Please use standard email subjects, so with the PATCH keyword in the title. `git format-patch -v5` helps here to create proper versioned patches. Another useful tool is b4.
Acknowledged, I did not know this option and will be careful about it for next versions.
@@ -33,6 +33,7 @@ properties: - items: - enum: - fsl,imx-sgtl5000
- fsl,imx-sabreauto-spdif - fsl,imx25-pdk-sgtl5000 - fsl,imx53-cpuvo-sgtl5000 - fsl,imx51-babbage-sgtl5000
@@ -54,6 +55,7 @@ properties: - fsl,imx6q-ventana-sgtl5000 - fsl,imx6sl-evk-wm8962 - fsl,imx6sx-sdb-mqs
- fsl,imx6sx-sdb-spdif - fsl,imx6sx-sdb-wm8962 - fsl,imx7d-evk-wm8960 - karo,tx53-audio-sgtl5000
@@ -65,6 +67,7 @@ properties: - fsl,imx-audio-sgtl5000 - fsl,imx-audio-wm8960 - fsl,imx-audio-wm8962
- fsl,imx-audio-spdif
This does not look right. It's quite generic, so now you allow any variant to be used with this fallback.
Please do not grow more this list of all possible combinations and instead add specific lists. Otherwise, please explain why this is valid hardware: "fsl,imx7d-evk-wm8960", "fsl,imx-audio-spdif"
I wanted to follow the current style of this documentation file, but I agree it's better to prevent using "fsl,imx-audio-spdif" with any compatible, I can use a specific list for the next version.
- items: - enum: - fsl,imx-audio-ac97
@@ -81,6 +84,7 @@ properties: - fsl,imx-audio-wm8960 - fsl,imx-audio-wm8962 - fsl,imx-audio-wm8958
- fsl,imx-audio-spdif
Fallbacks should not be used alone. Why this is needed?
"fsl,imx-audio-spdif" is used alone in most DTS files. "fsl,imx-sabreauto-spdif" and "fsl,imx6sx-sdb-spdif" are used with "fsl,imx-audio-spdif" in only 2 specific DTS files.
The compatible is already documented, so now you create duplicated binding.
This is very confusing.
The double compatible documentation is only temporary, next commit (7/9) removes the previous binding in "fsl,imx-audio-spdif.yaml". I separated these changes in multiple commit to ease git history searching by subject/file. If required, I can merge commits 6/9 and 7/9.
@@ -195,3 +208,12 @@ examples: "AIN2L", "Line In Jack", "AIN2R", "Line In Jack"; };
- |
- sound-spdif-asrc {
compatible = "fsl,imx-audio-spdif";
model = "spdif-asrc-audio";
audio-cpu = <&spdif>;
audio-asrc = <&easrc>;
audio-codec = <&spdifdit>, <&spdifdir>;
- };
Do not introduce another indentation style. Look what is above.
Ack, I'll correct this for next version.
Best regards, Elinor Montmasson