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[93.87.121.223]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-af91a1e88desm2420481266b.71.2025.08.13.06.16.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Aug 2025 06:16:30 -0700 (PDT) From: =?UTF-8?q?=C5=A0erif=20Rami?= To: Jaroslav Kysela , Takashi Iwai Cc: linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, =?UTF-8?q?=C5=A0erif=20Rami?= Subject: [PATCH v4 6/7] ALSA: usb-audio: us144mkii: Add deep sleep command Date: Wed, 13 Aug 2025 15:15:17 +0200 Message-Id: <20250813131518.18985-7-ramiserifpersia@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250813131518.18985-1-ramiserifpersia@gmail.com> References: <20250813131518.18985-1-ramiserifpersia@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Add a deep sleep vendor command to be sent during suspend, allowing the device to enter a lower power state. Signed-off-by: =C5=A0erif Rami --- sound/usb/usx2y/us144mkii.c | 7 +++++++ sound/usb/usx2y/us144mkii.h | 1 + 2 files changed, 8 insertions(+) diff --git a/sound/usb/usx2y/us144mkii.c b/sound/usb/usx2y/us144mkii.c index f7944eb2fb93..e452250fc5b4 100644 --- a/sound/usb/usx2y/us144mkii.c +++ b/sound/usb/usx2y/us144mkii.c @@ -322,6 +322,13 @@ static int tascam_suspend(struct usb_interface *intf, = pm_message_t message) usb_kill_anchored_urbs(&tascam->midi_in_anchor); usb_kill_anchored_urbs(&tascam->midi_out_anchor); =20 + dev_info(&intf->dev, "sending deep sleep command\n"); + int err =3D usb_control_msg(tascam->dev, usb_sndctrlpipe(tascam->dev, 0), + VENDOR_REQ_DEEP_SLEEP, RT_H2D_VENDOR_DEV, + 0x0000, 0x0000, NULL, 0, USB_CTRL_TIMEOUT_MS); + if (err < 0) + dev_err(&intf->dev, "deep sleep command failed: %d\n", err); + return 0; } =20 diff --git a/sound/usb/usx2y/us144mkii.h b/sound/usb/usx2y/us144mkii.h index c740a0b5a0ea..ecc4c2fed9e6 100644 --- a/sound/usb/usx2y/us144mkii.h +++ b/sound/usb/usx2y/us144mkii.h @@ -46,6 +46,7 @@ enum uac_control_selector { =20 enum tascam_vendor_request { VENDOR_REQ_REGISTER_WRITE =3D 0x41, + VENDOR_REQ_DEEP_SLEEP =3D 0x44, VENDOR_REQ_MODE_CONTROL =3D 0x49, }; =20 --=20 2.39.5