From patchwork Mon Jun 21 18:09:50 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: 12335399 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 409CDC4743C for ; Mon, 21 Jun 2021 18:16:32 +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 B8FD96115B for ; Mon, 21 Jun 2021 18:16:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B8FD96115B 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 4FF1516F8; Mon, 21 Jun 2021 20:15:40 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 4FF1516F8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1624299390; bh=uJeyzBKQVva5IbwKX18m6y57Gthe/VSbZI5LzDBof3s=; h=Date:From:To:Subject:References:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=EopWsqSU6Utq8INSSNJl1jyQp45l4rQwxOCu9B5XYwX9weSbhKniJbjtM4ykm9pSW LrN6gdDWJNy6Y9D8scSBDemolPuhBaI/QS0Nv+ucUJ1CVagdF9oztASHkWcAnulx0Q dAORxKlDdobZcwqyx9+fcdp6H6u5SPDOlr6tTWFM= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 387C4F80566; Mon, 21 Jun 2021 20:10:01 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id B65CBF80551; Mon, 21 Jun 2021 20:09:56 +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 19EE0F8053E for ; Mon, 21 Jun 2021 20:09:53 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 19EE0F8053E Received: by m.b4.vu (Postfix, from userid 1000) id 95E9961E2871; Tue, 22 Jun 2021 03:39:50 +0930 (ACST) Date: Tue, 22 Jun 2021 03:39:50 +0930 From: "Geoffrey D. Bennett" To: alsa-devel@alsa-project.org, Takashi Iwai Subject: [PATCH 17/31] ALSA: usb-audio: scarlett2: Add support for "input-other" notify Message-ID: <8a845e2e5a45519150aff4446bc910cf80c6f4b3.1624294591.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" Some models allow the level and pad settings to be controlled from the front-panel of the device. For these, the device will send an "input-other" notification to prompt the driver to re-read the status of those settings. Signed-off-by: Geoffrey D. Bennett --- sound/usb/mixer_scarlett_gen2.c | 99 ++++++++++++++++++++++++--------- 1 file changed, 73 insertions(+), 26 deletions(-) diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index c4bcccb5aecd..a4f92291b74f 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -318,6 +318,7 @@ struct scarlett2_data { u16 scarlett2_seq; u8 sync_updated; u8 vol_updated; + u8 input_other_updated; u8 sync; u8 master_vol; u8 vol[SCARLETT2_ANALOGUE_MAX]; @@ -331,6 +332,8 @@ struct scarlett2_data { struct snd_kcontrol *vol_ctls[SCARLETT2_ANALOGUE_MAX]; struct snd_kcontrol *mute_ctls[SCARLETT2_ANALOGUE_MAX]; struct snd_kcontrol *dim_mute_ctls[SCARLETT2_DIM_MUTE_COUNT]; + struct snd_kcontrol *level_ctls[SCARLETT2_LEVEL_SWITCH_MAX]; + struct snd_kcontrol *pad_ctls[SCARLETT2_PAD_SWITCH_MAX]; u8 mux[SCARLETT2_MUX_MAX]; u8 mix[SCARLETT2_INPUT_MIX_MAX * SCARLETT2_OUTPUT_MIX_MAX]; }; @@ -723,9 +726,10 @@ static int scarlett2_get_port_start_num( /*** USB Interactions ***/ /* Notifications from the interface */ -#define SCARLETT2_USB_NOTIFY_SYNC 0x00000008 -#define SCARLETT2_USB_NOTIFY_DIM_MUTE 0x00200000 -#define SCARLETT2_USB_NOTIFY_MONITOR 0x00400000 +#define SCARLETT2_USB_NOTIFY_SYNC 0x00000008 +#define SCARLETT2_USB_NOTIFY_DIM_MUTE 0x00200000 +#define SCARLETT2_USB_NOTIFY_MONITOR 0x00400000 +#define SCARLETT2_USB_NOTIFY_INPUT_OTHER 0x00800000 /* Commands for sending/receiving requests/responses */ #define SCARLETT2_USB_CMD_INIT 0 @@ -1740,6 +1744,32 @@ static const struct snd_kcontrol_new scarlett2_sw_hw_enum_ctl = { /*** Line Level/Instrument Level Switch Controls ***/ +static int scarlett2_update_input_other(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + private->input_other_updated = 0; + + if (info->level_input_count) { + int err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_LEVEL_SWITCH, + info->level_input_count, private->level_switch); + if (err < 0) + return err; + } + + if (info->pad_input_count) { + int err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_PAD_SWITCH, + info->pad_input_count, private->pad_switch); + if (err < 0) + return err; + } + + return 0; +} + static int scarlett2_level_enum_ctl_info(struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) { @@ -1754,10 +1784,16 @@ static int scarlett2_level_enum_ctl_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *elem = kctl->private_data; - struct scarlett2_data *private = elem->head.mixer->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + mutex_lock(&private->data_mutex); + if (private->input_other_updated) + scarlett2_update_input_other(mixer); ucontrol->value.enumerated.item[0] = private->level_switch[elem->control]; + mutex_unlock(&private->data_mutex); + return 0; } @@ -1806,10 +1842,16 @@ static int scarlett2_pad_ctl_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *elem = kctl->private_data; - struct scarlett2_data *private = elem->head.mixer->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + mutex_lock(&private->data_mutex); + if (private->input_other_updated) + scarlett2_update_input_other(mixer); ucontrol->value.integer.value[0] = private->pad_switch[elem->control]; + mutex_unlock(&private->data_mutex); + return 0; } @@ -2020,7 +2062,7 @@ static int scarlett2_add_line_in_ctls(struct usb_mixer_interface *mixer) for (i = 0; i < info->level_input_count; i++) { snprintf(s, sizeof(s), fmt, i + 1, "Level", "Enum"); err = scarlett2_add_new_ctl(mixer, &scarlett2_level_enum_ctl, - i, 1, s, NULL); + i, 1, s, &private->level_ctls[i]); if (err < 0) return err; } @@ -2029,7 +2071,7 @@ static int scarlett2_add_line_in_ctls(struct usb_mixer_interface *mixer) for (i = 0; i < info->pad_input_count; i++) { snprintf(s, sizeof(s), fmt, i + 1, "Pad", "Switch"); err = scarlett2_add_new_ctl(mixer, &scarlett2_pad_ctl, - i, 1, s, NULL); + i, 1, s, &private->pad_ctls[i]); if (err < 0) return err; } @@ -2441,25 +2483,9 @@ static int scarlett2_read_configs(struct usb_mixer_interface *mixer) struct scarlett2_usb_volume_status volume_status; int err, i; - if (info->level_input_count) { - err = scarlett2_usb_get_config( - mixer, - SCARLETT2_CONFIG_LEVEL_SWITCH, - info->level_input_count, - private->level_switch); - if (err < 0) - return err; - } - - if (info->pad_input_count) { - err = scarlett2_usb_get_config( - mixer, - SCARLETT2_CONFIG_PAD_SWITCH, - info->pad_input_count, - private->pad_switch); - if (err < 0) - return err; - } + err = scarlett2_update_input_other(mixer); + if (err < 0) + return err; err = scarlett2_update_sync(mixer); if (err < 0) @@ -2573,6 +2599,25 @@ static void scarlett2_notify_dim_mute( &private->mute_ctls[i]->id); } +/* Notify on "input other" change (level/pad) */ +static void scarlett2_notify_input_other( + struct usb_mixer_interface *mixer) +{ + struct snd_card *card = mixer->chip->card; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + int i; + + private->input_other_updated = 1; + + for (i = 0; i < info->level_input_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->level_ctls[i]->id); + for (i = 0; i < info->pad_input_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->pad_ctls[i]->id); +} + /* Interrupt callback */ static void scarlett2_notify(struct urb *urb) { @@ -2591,6 +2636,8 @@ static void scarlett2_notify(struct urb *urb) scarlett2_notify_monitor(mixer); if (data & SCARLETT2_USB_NOTIFY_DIM_MUTE) scarlett2_notify_dim_mute(mixer); + if (data & SCARLETT2_USB_NOTIFY_INPUT_OTHER) + scarlett2_notify_input_other(mixer); requeue: if (ustatus != -ENOENT &&