From patchwork Thu May 18 09:30:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oswald Buddenhagen X-Patchwork-Id: 13246342 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id BC19CC7EE2C for ; Thu, 18 May 2023 09:32:37 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id C4C63208; Thu, 18 May 2023 11:31:45 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz C4C63208 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1684402355; bh=AS1mSY/a4gpcWTr/6QIZmiODhEwWUaWnn6fAX4mE86E=; h=From:To:Cc:Subject:Date:List-Id:List-Archive:List-Help:List-Owner: List-Post:List-Subscribe:List-Unsubscribe:From; b=luxqPe4bf+4zSvUP69+Dlf1KReHugWLKzRcSSVqFc8SyNBEhJzmbALAqwu2G/oJca E+pDr/RaprjYJBagu5HfeXgSmBq+2jXrEihi+eCaJgjoO0P43vtjHYa7ZKS4OOQ6/F EA535Hdizow4w4UTUG07G9bZo9xG/QGVMNEoPDJo= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 69296F80553; Thu, 18 May 2023 11:30:58 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id C4E18F8055B; Thu, 18 May 2023 11:30:57 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 8FE55F80431; Thu, 18 May 2023 11:30:52 +0200 (CEST) Received: from bluemchen.kde.org (bluemchen.kde.org [IPv6:2001:470:142:8::100]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id A3FEDF80272 for ; Thu, 18 May 2023 11:30:48 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz A3FEDF80272 Received: from ugly.fritz.box (localhost [127.0.0.1]) by bluemchen.kde.org (Postfix) with ESMTP id 6F8C223E25; Thu, 18 May 2023 05:30:47 -0400 (EDT) Received: by ugly.fritz.box (masqmail 0.3.4, from userid 1000) id 1pzZyB-VzX-00; Thu, 18 May 2023 11:30:47 +0200 From: Oswald Buddenhagen To: alsa-devel@alsa-project.org Cc: Takashi Iwai , Jaroslav Kysela Subject: [PATCH 1/4] ALSA: emu10k1: simplify interrupt handler, part 1 Date: Thu, 18 May 2023 11:30:44 +0200 Message-Id: <20230518093047.3697887-1-oswald.buddenhagen@gmx.de> X-Mailer: git-send-email 2.40.0.152.g15d061e6df MIME-Version: 1.0 Message-ID-Hash: 6C4XK6LFYHJGLU7KGHQFFNODDTD6CGEX X-Message-ID-Hash: 6C4XK6LFYHJGLU7KGHQFFNODDTD6CGEX X-MailFrom: ossi@kde.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: IPR_CHANNELNUMBERMASK cannot be non-zero when IPR_CHANNELLOOP is unset, so join marking them as handled. This logically reverts part of commit f453e20d8a0 ("ALSA update 0.9.3a"), which made the inverse change with no explanation. Signed-off-by: Oswald Buddenhagen --- sound/pci/emu10k1/irq.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/pci/emu10k1/irq.c b/sound/pci/emu10k1/irq.c index dfb44e5e69a7..0cb89bd8c16b 100644 --- a/sound/pci/emu10k1/irq.c +++ b/sound/pci/emu10k1/irq.c @@ -79,9 +79,8 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) val >>= 1; pvoice++; } - status &= ~IPR_CHANNELLOOP; + status &= ~(IPR_CHANNELLOOP | IPR_CHANNELNUMBERMASK); } - status &= ~IPR_CHANNELNUMBERMASK; if (status & (IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL)) { if (emu->capture_interrupt) emu->capture_interrupt(emu, status); From patchwork Thu May 18 09:30:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oswald Buddenhagen X-Patchwork-Id: 13246343 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id F20D6C7EE23 for ; Thu, 18 May 2023 09:32:44 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id CEE393E7; Thu, 18 May 2023 11:31:52 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz CEE393E7 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1684402362; bh=ECUEZfG3MdCFA17Nm6IbRypLqhO7qoK1PvEGmDDnhmY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=qf8q06W8vIuRmWIJZAtVG/ZPUOMpDNGWZ/A1b60rmqLvcno5Y3CyvgwJcIrRVTA1H 5XF0ngzhR95ycQyX+hYRqQ7UpiC20AGxnrP0kVloGfFIb9I/pAulcKDiAR6EW/RTT2 N32rnRRZ4BQrvTSWSSiH72QWGVtOERaDMDMjQ0zM= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 40012F8057A; Thu, 18 May 2023 11:31:00 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id CFDB6F80570; Thu, 18 May 2023 11:30:59 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 4E4E7F80431; Thu, 18 May 2023 11:30:54 +0200 (CEST) Received: from bluemchen.kde.org (bluemchen.kde.org [IPv6:2001:470:142:8::100]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 9B237F8025A for ; Thu, 18 May 2023 11:30:48 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9B237F8025A Received: from ugly.fritz.box (localhost [127.0.0.1]) by bluemchen.kde.org (Postfix) with ESMTP id 728DF241B5; Thu, 18 May 2023 05:30:47 -0400 (EDT) Received: by ugly.fritz.box (masqmail 0.3.4, from userid 1000) id 1pzZyB-Vzd-00; Thu, 18 May 2023 11:30:47 +0200 From: Oswald Buddenhagen To: alsa-devel@alsa-project.org Cc: Takashi Iwai , Jaroslav Kysela Subject: [PATCH 2/4] ALSA: emu10k1: simplify interrupt handler, part 2 Date: Thu, 18 May 2023 11:30:45 +0200 Message-Id: <20230518093047.3697887-2-oswald.buddenhagen@gmx.de> X-Mailer: git-send-email 2.40.0.152.g15d061e6df In-Reply-To: <20230518093047.3697887-1-oswald.buddenhagen@gmx.de> References: <20230518093047.3697887-1-oswald.buddenhagen@gmx.de> MIME-Version: 1.0 Message-ID-Hash: 62WD5CVNFSVRNZZW7GABRZYQDI3Z2U2V X-Message-ID-Hash: 62WD5CVNFSVRNZZW7GABRZYQDI3Z2U2V X-MailFrom: ossi@kde.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Remove weird INTE_* clearing code. The bits were a subset of the actually handled interrupts, which kind of contradicted the stated purpose. I suppose it would make sense to complete the set and negate it, but interrupts being enabled out of the blue is neither something that happens a lot, nor should it result in just one error message, IMO. Signed-off-by: Oswald Buddenhagen --- sound/pci/emu10k1/irq.c | 18 ------------------ 1 file changed, 18 deletions(-) diff --git a/sound/pci/emu10k1/irq.c b/sound/pci/emu10k1/irq.c index 0cb89bd8c16b..312511300053 100644 --- a/sound/pci/emu10k1/irq.c +++ b/sound/pci/emu10k1/irq.c @@ -146,26 +146,8 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) } if (status) { - unsigned int bits; dev_err(emu->card->dev, "unhandled interrupt: 0x%08x\n", status); - //make sure any interrupts we don't handle are disabled: - bits = INTE_FXDSPENABLE | - INTE_PCIERRORENABLE | - INTE_VOLINCRENABLE | - INTE_VOLDECRENABLE | - INTE_MUTEENABLE | - INTE_MICBUFENABLE | - INTE_ADCBUFENABLE | - INTE_EFXBUFENABLE | - INTE_GPSPDIFENABLE | - INTE_CDSPDIFENABLE | - INTE_INTERVALTIMERENB | - INTE_MIDITXENABLE | - INTE_MIDIRXENABLE; - if (emu->audigy) - bits |= INTE_A_MIDITXENABLE2 | INTE_A_MIDIRXENABLE2; - snd_emu10k1_intr_disable(emu, bits); } outl(orig_status, emu->port + IPR); /* ack all */ } From patchwork Thu May 18 09:30:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oswald Buddenhagen X-Patchwork-Id: 13246341 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id EA2CFC77B7D for ; Thu, 18 May 2023 09:32:15 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 1D300201; Thu, 18 May 2023 11:31:23 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 1D300201 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1684402333; bh=71FQ8uMWqXwR4whOfPL5ACsTxATZROJwqc5lo7Fn7Ng=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=tkieD6fxigKQLxlMEU3t/INkxKshpkbOIfcZwwwP3H25c3VdRYAVNoypKiGMirVDA 08ir0Fxv1Sswe4SzHaPyO8lQw98dtx+eaQ2Ef8q2bxcakI4vbvE/9ne6YkTS7l3icy QfjukNj0158OVfgDYrUdw3EBp0FeX/noEf0p15ik= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 79965F80549; Thu, 18 May 2023 11:30:55 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id B55D5F8053D; Thu, 18 May 2023 11:30:54 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 8F296F8053D; Thu, 18 May 2023 11:30:51 +0200 (CEST) Received: from bluemchen.kde.org (bluemchen.kde.org [209.51.188.41]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 91C72F80087 for ; Thu, 18 May 2023 11:30:48 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 91C72F80087 Received: from ugly.fritz.box (localhost [127.0.0.1]) by bluemchen.kde.org (Postfix) with ESMTP id 74895241CA; Thu, 18 May 2023 05:30:47 -0400 (EDT) Received: by ugly.fritz.box (masqmail 0.3.4, from userid 1000) id 1pzZyB-Vzj-00; Thu, 18 May 2023 11:30:47 +0200 From: Oswald Buddenhagen To: alsa-devel@alsa-project.org Cc: Takashi Iwai , Jaroslav Kysela Subject: [PATCH 3/4] ALSA: emu10k1: simplify interrupt handler, part 3 Date: Thu, 18 May 2023 11:30:46 +0200 Message-Id: <20230518093047.3697887-3-oswald.buddenhagen@gmx.de> X-Mailer: git-send-email 2.40.0.152.g15d061e6df In-Reply-To: <20230518093047.3697887-1-oswald.buddenhagen@gmx.de> References: <20230518093047.3697887-1-oswald.buddenhagen@gmx.de> MIME-Version: 1.0 Message-ID-Hash: LF7XUCI3UM7Y2QSV7FT63HCP6IVY37CA X-Message-ID-Hash: LF7XUCI3UM7Y2QSV7FT63HCP6IVY37CA X-MailFrom: ossi@kde.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Handle the "timeout" (actually the retry counter) such that it's more obvious and causes less cost in the normal case. Signed-off-by: Oswald Buddenhagen --- sound/pci/emu10k1/irq.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/sound/pci/emu10k1/irq.c b/sound/pci/emu10k1/irq.c index 312511300053..7dc803aaa850 100644 --- a/sound/pci/emu10k1/irq.c +++ b/sound/pci/emu10k1/irq.c @@ -22,15 +22,18 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) int handled = 0; int timeout = 0; - while (((status = inl(emu->port + IPR)) != 0) && (timeout < 1000)) { - timeout++; - orig_status = status; + while ((status = inl(emu->port + IPR)) != 0) { handled = 1; if ((status & 0xffffffff) == 0xffffffff) { dev_info(emu->card->dev, "Suspected sound card removal\n"); break; } + if (++timeout == 1000) { + dev_info(emu->card->dev, "emu10k1 irq routine failure\n"); + break; + } + orig_status = status; if (status & IPR_PCIERROR) { dev_err(emu->card->dev, "interrupt: PCI error\n"); snd_emu10k1_intr_disable(emu, INTE_PCIERRORENABLE); @@ -151,8 +154,6 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) } outl(orig_status, emu->port + IPR); /* ack all */ } - if (timeout == 1000) - dev_info(emu->card->dev, "emu10k1 irq routine failure\n"); return IRQ_RETVAL(handled); } From patchwork Thu May 18 09:30:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oswald Buddenhagen X-Patchwork-Id: 13246344 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 6E02FC77B7A for ; Thu, 18 May 2023 09:33:02 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 59FCD825; Thu, 18 May 2023 11:32:09 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 59FCD825 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1684402379; bh=IKtUXiqjFErbBpTVz1IKxqbqMyd4g79zylrYhZYYcfo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=vm9jRmIpYzKt2ogowL3/ILFABL5MRsLjun3waZgKHO7uKqYiIIWlKC4B59yanBgCv r/NHte2h+N8paJ8KbndiANhwV2oHxaTLdPu5NP4K+wrB7R6AoOAyyYQ7LGsqDL2Vgc voZfx3+WyaxTESss4IIvO7ndAAzdB3LDMqCRaoRQ= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 34B1DF80588; Thu, 18 May 2023 11:31:03 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id BF095F80580; Thu, 18 May 2023 11:31:02 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 53966F80552; Thu, 18 May 2023 11:30:56 +0200 (CEST) Received: from bluemchen.kde.org (bluemchen.kde.org [209.51.188.41]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 05F22F802E8 for ; Thu, 18 May 2023 11:30:48 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 05F22F802E8 Received: from ugly.fritz.box (localhost [127.0.0.1]) by bluemchen.kde.org (Postfix) with ESMTP id 7731224208; Thu, 18 May 2023 05:30:47 -0400 (EDT) Received: by ugly.fritz.box (masqmail 0.3.4, from userid 1000) id 1pzZyB-Vzp-00; Thu, 18 May 2023 11:30:47 +0200 From: Oswald Buddenhagen To: alsa-devel@alsa-project.org Cc: Takashi Iwai , Jaroslav Kysela Subject: [PATCH 4/4] ALSA: emu10k1: fix handling of half-loop interrupts Date: Thu, 18 May 2023 11:30:47 +0200 Message-Id: <20230518093047.3697887-4-oswald.buddenhagen@gmx.de> X-Mailer: git-send-email 2.40.0.152.g15d061e6df In-Reply-To: <20230518093047.3697887-1-oswald.buddenhagen@gmx.de> References: <20230518093047.3697887-1-oswald.buddenhagen@gmx.de> MIME-Version: 1.0 Message-ID-Hash: VGZMVH3ZZKQOXJPENKC4OZDSL32TSMAU X-Message-ID-Hash: VGZMVH3ZZKQOXJPENKC4OZDSL32TSMAU X-MailFrom: ossi@kde.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: We'd try to iterate the voices twice without resetting the pointer. This went unnoticed, because the code isn't actually in use. Amends commit 27ae958cf6 ("emu10k1 driver - add multichannel device hw:x,3 [2-8/8]"). Signed-off-by: Oswald Buddenhagen --- sound/pci/emu10k1/irq.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/pci/emu10k1/irq.c b/sound/pci/emu10k1/irq.c index 7dc803aaa850..a813ef8c2f8d 100644 --- a/sound/pci/emu10k1/irq.c +++ b/sound/pci/emu10k1/irq.c @@ -47,12 +47,13 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) status &= ~(IPR_VOLINCR|IPR_VOLDECR|IPR_MUTE); } if (status & IPR_CHANNELLOOP) { + struct snd_emu10k1_voice *pvoice; int voice; int voice_max = status & IPR_CHANNELNUMBERMASK; u32 val; - struct snd_emu10k1_voice *pvoice = emu->voices; val = snd_emu10k1_ptr_read(emu, CLIPL, 0); + pvoice = emu->voices; for (voice = 0; voice <= voice_max; voice++) { if (voice == 0x20) val = snd_emu10k1_ptr_read(emu, CLIPH, 0); @@ -68,6 +69,7 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) pvoice++; } val = snd_emu10k1_ptr_read(emu, HLIPL, 0); + pvoice = emu->voices; for (voice = 0; voice <= voice_max; voice++) { if (voice == 0x20) val = snd_emu10k1_ptr_read(emu, HLIPH, 0);