From patchwork Mon Jun 21 18:09:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Geoffrey D. Bennett" X-Patchwork-Id: 465228 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96138C4743C for ; Mon, 21 Jun 2021 18:11:02 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B3CBC6115B for ; Mon, 21 Jun 2021 18:11:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B3CBC6115B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=b4.vu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 2452116A2; Mon, 21 Jun 2021 20:10:10 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 2452116A2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1624299060; bh=wPFFXdYca3FG49efhTEHUy21h9Y6mhP2zcat9zpEj/8=; h=Date:From:To:Subject:References:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=ifDvYZ4GxeV4rgab0UT6vzd1VElKxirHZUx7yyUQ/9tSgzWxVIXEZxd8PYksRjYrT cbVMK8oIGjqKO2rAOKnxiPglHU7eVAKX/9ZeU+5R8SyznlAjhBMDq0MrmPC28XLZAC D9L6zVRfup/7q1UhnoTotpCjY4ZdPFcvpi2ANqdE= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 9E7FBF804D9; Mon, 21 Jun 2021 20:09:22 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 05D2EF804D9; Mon, 21 Jun 2021 20:09:21 +0200 (CEST) Received: from m.b4.vu (m.b4.vu [203.16.231.148]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 5F994F80137 for ; Mon, 21 Jun 2021 20:09:14 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 5F994F80137 Received: by m.b4.vu (Postfix, from userid 1000) id CDA9161E2871; Tue, 22 Jun 2021 03:39:06 +0930 (ACST) Date: Tue, 22 Jun 2021 03:39:06 +0930 From: "Geoffrey D. Bennett" To: alsa-devel@alsa-project.org, Takashi Iwai Subject: [PATCH 01/31] ALSA: usb-audio: scarlett2: Add usb_tx/rx functions Message-ID: <720d1d6f227fc8f5d7d6191a8de62db796940235.1624294591.git.g@b4.vu> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Cc: Hin-Tak Leung , Vladimir Sadovnikov X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Pull out snd_usb_ctl_msg() calls from scarlett2_usb() and put into scarlett2_usb_tx() and scarlett2_usb_rx() functions. Signed-off-by: Geoffrey D. Bennett --- sound/usb/mixer_scarlett_gen2.c | 44 +++++++++++++++++++-------------- 1 file changed, 26 insertions(+), 18 deletions(-) diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 2e1937b072ee..6b77582d8e3d 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -453,8 +453,8 @@ static int scarlett2_get_port_start_num(const struct scarlett2_ports *ports, #define SCARLETT2_USB_NOTIFY_MONITOR 0x00400000 /* Commands for sending/receiving requests/responses */ -#define SCARLETT2_USB_VENDOR_SPECIFIC_CMD_REQ 2 -#define SCARLETT2_USB_VENDOR_SPECIFIC_CMD_RESP 3 +#define SCARLETT2_USB_CMD_REQ 2 +#define SCARLETT2_USB_CMD_RESP 3 #define SCARLETT2_USB_INIT_SEQ 0x00000000 #define SCARLETT2_USB_GET_METER 0x00001001 @@ -576,12 +576,31 @@ static void scarlett2_fill_request_header(struct scarlett2_data *private, req->pad = 0; } +static int scarlett2_usb_tx(struct usb_device *dev, int interface, + void *buf, u16 size) +{ + return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), + SCARLETT2_USB_CMD_REQ, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, + 0, interface, buf, size); +} + +static int scarlett2_usb_rx(struct usb_device *dev, int interface, + u32 usb_req, void *buf, u16 size) +{ + return snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), + usb_req, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, + 0, interface, buf, size); +} + /* Send a proprietary format request to the Scarlett interface */ static int scarlett2_usb( struct usb_mixer_interface *mixer, u32 cmd, void *req_data, u16 req_size, void *resp_data, u16 resp_size) { struct scarlett2_data *private = mixer->private_data; + struct usb_device *dev = mixer->chip->dev; u16 req_buf_size = sizeof(struct scarlett2_usb_packet) + req_size; u16 resp_buf_size = sizeof(struct scarlett2_usb_packet) + resp_size; struct scarlett2_usb_packet *req, *resp = NULL; @@ -608,14 +627,8 @@ static int scarlett2_usb( if (req_size) memcpy(req->data, req_data, req_size); - err = snd_usb_ctl_msg(mixer->chip->dev, - usb_sndctrlpipe(mixer->chip->dev, 0), - SCARLETT2_USB_VENDOR_SPECIFIC_CMD_REQ, - USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, - 0, - private->bInterfaceNumber, - req, - req_buf_size); + err = scarlett2_usb_tx(dev, private->bInterfaceNumber, + req, req_buf_size); if (err != req_buf_size) { usb_audio_err( @@ -628,14 +641,9 @@ static int scarlett2_usb( /* send a second message to get the response */ - err = snd_usb_ctl_msg(mixer->chip->dev, - usb_rcvctrlpipe(mixer->chip->dev, 0), - SCARLETT2_USB_VENDOR_SPECIFIC_CMD_RESP, - USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, - 0, - private->bInterfaceNumber, - resp, - resp_buf_size); + err = scarlett2_usb_rx(dev, private->bInterfaceNumber, + SCARLETT2_USB_CMD_RESP, + resp, resp_buf_size); /* validate the response */