From nobody Mon Feb 9 04:14:09 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E87A2C77B75 for ; Tue, 23 May 2023 07:57:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236026AbjEWH5S (ORCPT ); Tue, 23 May 2023 03:57:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235954AbjEWHy7 (ORCPT ); Tue, 23 May 2023 03:54:59 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0814918D for ; Tue, 23 May 2023 00:54:36 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 3FFBD2040A; Tue, 23 May 2023 07:54:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1684828446; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bVKMfmKZD+HwascEjydzIHk2mo8oo1vs9MeGSXjDJ5A=; b=c+GvQ5bhnqvqd1Rmub7KpN893zt17bAwZReyt2r3o78J0tHEAh/JQtAHFna7M9p7DmLH0w UtQw8x4aKR9eCqvQEmtO4Q9YWymswUzwXurWSn78/k5IGf424rS2Zi0vcjnHvpteGxSZsi vf6tiEeEYKQQ/i0Ce7J5vH8wAYVgyzY= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1684828446; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bVKMfmKZD+HwascEjydzIHk2mo8oo1vs9MeGSXjDJ5A=; b=iq20Bz5jE44WbLBxUdE3iXKccn+VduVi1q1srrt8z65FH3j0mZhdlZP2E+S7TFyxteznrx u8hXBtLi0CpjdJDQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id CC60E13A1A; Tue, 23 May 2023 07:54:05 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 4AGvLR1xbGT4KgAAMHmgww (envelope-from ); Tue, 23 May 2023 07:54:05 +0000 From: Takashi Iwai To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH v2 11/37] ALSA: usb-audio: Trim superfluous "MIDI" suffix from UMP EP name Date: Tue, 23 May 2023 09:53:32 +0200 Message-Id: <20230523075358.9672-12-tiwai@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230523075358.9672-1-tiwai@suse.de> References: <20230523075358.9672-1-tiwai@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" A single USB audio device may have multiple interfaces for different purposes (e.g. audio, MIDI and HID), where the iInterface descriptor of each interface may contain an own suffix, e.g. "MIDI" for a MIDI interface. as such a suffix is superfluous as a rawmidi and UMP Endpoint name, this patch trims the superfluous "MIDI" suffix from the name string. Reviewed-by: Jaroslav Kysela Signed-off-by: Takashi Iwai --- sound/usb/midi2.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/usb/midi2.c b/sound/usb/midi2.c index 2ac3f96216bc..790e4cd5d35c 100644 --- a/sound/usb/midi2.c +++ b/sound/usb/midi2.c @@ -896,7 +896,14 @@ static int set_altset(struct snd_usb_midi2_interface *= umidi) static void fill_ump_ep_name(struct snd_ump_endpoint *ump, struct usb_device *dev, int id) { + int len; + usb_string(dev, id, ump->info.name, sizeof(ump->info.name)); + + /* trim superfluous "MIDI" suffix */ + len =3D strlen(ump->info.name); + if (len > 5 && !strcmp(ump->info.name + len - 5, " MIDI")) + ump->info.name[len - 5] =3D 0; } =20 /* fill the fallback name string for each rawmidi instance */ --=20 2.35.3