Re: [PATCH v20 22/41] ASoC: usb: Add PCM format check API for USB backend

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Hi Amadeusz,

On 4/26/2024 6:25 AM, Amadeusz Sławiński wrote:
On 4/25/2024 11:51 PM, Wesley Cheng wrote:
Introduce a helper to check if a particular PCM format is supported by the
USB audio device connected.  If the USB audio device does not have an
audio profile which can support the requested format, then notify the USB
backend.

Signed-off-by: Wesley Cheng <quic_wcheng@xxxxxxxxxxx>
---

(...)

+/**
+ * snd_soc_usb_find_format() - Check if audio format is supported
+ * @card_idx: USB sound chip array index
+ * @params: PCM parameters
+ * @direction: capture or playback
+ *
+ * Ensure that a requested audio profile from the ASoC side is able to be
+ * supported by the USB device.
+ *
+ * Return 0 on success, negative on error.
+ *
+ */
+int snd_soc_usb_find_format(int card_idx, struct snd_pcm_hw_params *params,
+            int direction)

Perhaps name function similar to its snd_usb equivalent, so snd_soc_usb_find_supported_format?


Will do.

Thanks
Wesley Cheng




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