From patchwork Thu Nov 20 17:33:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 5350081 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6A54F9F1E1 for ; Thu, 20 Nov 2014 17:39:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 841DC20220 for ; Thu, 20 Nov 2014 17:39:02 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 54236200DB for ; Thu, 20 Nov 2014 17:39:01 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 5EE7F266020; Thu, 20 Nov 2014 18:39:00 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 1AFB3265AE7; Thu, 20 Nov 2014 18:34:16 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 643BD2659D7; Thu, 20 Nov 2014 18:34:13 +0100 (CET) Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id D44B1260623 for ; Thu, 20 Nov 2014 18:33:47 +0100 (CET) Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id E3E9CAD7D for ; Thu, 20 Nov 2014 17:33:46 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Date: Thu, 20 Nov 2014 18:33:29 +0100 Message-Id: <1416504815-28685-5-git-send-email-tiwai@suse.de> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1416504815-28685-1-git-send-email-tiwai@suse.de> References: <1416504815-28685-1-git-send-email-tiwai@suse.de> Subject: [alsa-devel] [PATCH RFC 04/10] ALSA: usb-audio: Add Emu0204 channel switch resume support X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Similar as the previous fix, this adds the proper resume support to Emu0202 "Front Jack Channels" enum mixer element. Signed-off-by: Takashi Iwai --- sound/usb/mixer_quirks.c | 84 ++++++++++++++++++++++++++---------------------- 1 file changed, 46 insertions(+), 38 deletions(-) diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index b412d085e593..870d8975ae2e 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -473,63 +473,71 @@ static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol, return 0; } -static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) +static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer, + int value) { - struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); - unsigned int value = ucontrol->value.enumerated.item[0]; - int err, changed; + struct snd_usb_audio *chip = mixer->chip; + int err; unsigned char buf[2]; - if (value > 1) - return -EINVAL; - - buf[0] = 0x01; - buf[1] = value ? 0x02 : 0x01; - - changed = value != kcontrol->private_value; - down_read(&mixer->chip->shutdown_rwsem); + down_read(&chip->shutdown_rwsem); if (mixer->chip->shutdown) { err = -ENODEV; goto out; } - err = snd_usb_ctl_msg(mixer->chip->dev, - usb_sndctrlpipe(mixer->chip->dev, 0), UAC_SET_CUR, + + buf[0] = 0x01; + buf[1] = value ? 0x02 : 0x01; + err = snd_usb_ctl_msg(chip->dev, + usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 0x0400, 0x0e00, buf, 2); out: - up_read(&mixer->chip->shutdown_rwsem); - if (err < 0) - return err; + up_read(&chip->shutdown_rwsem); + return err; +} + +static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); + struct usb_mixer_interface *mixer = list->mixer; + unsigned int value = ucontrol->value.enumerated.item[0]; + int err; + + if (value > 1) + return -EINVAL; + + if (value == kcontrol->private_value) + return 0; + kcontrol->private_value = value; - return changed; + err = snd_emu0204_ch_switch_update(mixer, value); + return err < 0 ? err : 1; } +static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list) +{ + return snd_emu0204_ch_switch_update(list->mixer, + list->kctl->private_value); +} -static struct snd_kcontrol_new snd_emu0204_controls[] = { - { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Front Jack Channels", - .info = snd_emu0204_ch_switch_info, - .get = snd_emu0204_ch_switch_get, - .put = snd_emu0204_ch_switch_put, - .private_value = 0, - }, +static struct snd_kcontrol_new snd_emu0204_control = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Front Jack Channels", + .info = snd_emu0204_ch_switch_info, + .get = snd_emu0204_ch_switch_get, + .put = snd_emu0204_ch_switch_put, + .private_value = 0, }; static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer) { - int i, err; - - for (i = 0; i < ARRAY_SIZE(snd_emu0204_controls); ++i) { - err = snd_ctl_add(mixer->chip->card, - snd_ctl_new1(&snd_emu0204_controls[i], mixer)); - if (err < 0) - return err; - } - - return 0; + return add_single_ctl_with_resume(mixer, 0, + snd_emu0204_ch_switch_resume, + &snd_emu0204_control, NULL); } + /* ASUS Xonar U1 / U3 controls */ static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,