* [PATCH] ALSA: FCP: Add Focusrite ISA C8X support
@ 2026-06-22 17:29 Geoffrey D. Bennett
2026-06-23 9:46 ` Takashi Iwai
0 siblings, 1 reply; 2+ messages in thread
From: Geoffrey D. Bennett @ 2026-06-22 17:29 UTC (permalink / raw)
To: Takashi Iwai; +Cc: Takashi Iwai, linux-sound
Add USB PID 0x821e to the list of devices handled by the Focusrite
Control Protocol (FCP) driver.
Cc: stable@vger.kernel.org
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
---
Trivial new-device enablement: the ISA C8X uses the same FCP control
interface as the Scarlett 16i16/18i16/18i20 4th Gen, so only the USB
PID needs adding. Device attach and device-map retrieval confirmed on
a pre-production unit.
sound/usb/mixer_quirks.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index ec65e8a71919..c89087321173 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -4449,6 +4449,7 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
case USB_ID(0x1235, 0x821b): /* Focusrite Scarlett 16i16 4th Gen */
case USB_ID(0x1235, 0x821c): /* Focusrite Scarlett 18i16 4th Gen */
case USB_ID(0x1235, 0x821d): /* Focusrite Scarlett 18i20 4th Gen */
+ case USB_ID(0x1235, 0x821e): /* Focusrite ISA C8X */
err = snd_fcp_init(mixer);
break;
--
2.54.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ALSA: FCP: Add Focusrite ISA C8X support
2026-06-22 17:29 [PATCH] ALSA: FCP: Add Focusrite ISA C8X support Geoffrey D. Bennett
@ 2026-06-23 9:46 ` Takashi Iwai
0 siblings, 0 replies; 2+ messages in thread
From: Takashi Iwai @ 2026-06-23 9:46 UTC (permalink / raw)
To: Geoffrey D. Bennett; +Cc: Takashi Iwai, Takashi Iwai, linux-sound
On Mon, 22 Jun 2026 19:29:04 +0200,
Geoffrey D. Bennett wrote:
>
> Add USB PID 0x821e to the list of devices handled by the Focusrite
> Control Protocol (FCP) driver.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
> ---
> Trivial new-device enablement: the ISA C8X uses the same FCP control
> interface as the Scarlett 16i16/18i16/18i20 4th Gen, so only the USB
> PID needs adding. Device attach and device-map retrieval confirmed on
> a pre-production unit.
Applied now. Thanks.
Takashi
^ permalink raw reply [flat|nested] 2+ messages in thread
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