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ALSA: usb-audio: scarlett2: Update get_config to do endian conversion

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For configuration items with a size of 16, scarlett2_usb_get_config()
was filling *buf with little-endian data. Update it to convert to CPU
endian. This function is not currently used so affects nothing yet;
will be used by the upcoming talkback feature.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Link: https://lore.kernel.org/r/cbc8b6eedd859dd27086ab4126d724a86dd50bcb.1624379707.git.g@b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Geoffrey D. Bennett 2021-06-23 02:34:09 +09:30 committed by Takashi Iwai
parent e914d8432c
commit ac34df733d
1 changed files with 7 additions and 1 deletions
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8
sound/usb/mixer_scarlett_gen2.c
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@ -1170,7 +1170,13 @@ static int scarlett2_usb_get_config(
/* For byte-sized parameters, retrieve directly into buf */
if (config_item->size >= 8) {
size = config_item->size / 8 * count;
return scarlett2_usb_get(mixer, config_item->offset, buf, size);
err = scarlett2_usb_get(mixer, config_item->offset, buf, size);
if (err < 0)
return err;
if (size == 2)
for (i = 0; i < count; i++, (u16 *)buf++)
*(u16 *)buf = le16_to_cpu(*(__le16 *)buf);
return 0;
}
/* For bit-sized parameters, retrieve into value */