From patchwork Tue Jun 6 13:25:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yanteng Si X-Patchwork-Id: 13269265 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 68428C7EE24 for ; Tue, 6 Jun 2023 14:18:30 +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 51D52886; Tue, 6 Jun 2023 16:17:38 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 51D52886 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1686061108; bh=ny1HkKwrsjATE96eqd6pSygh4G1+wOcUhM9bNnQ+0f4=; 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=UwVfKuOamBE+APOqoWabbRQtz+kHOtCyIvdJrsl0MkVocotPWw0OAe58CgPdwHz6V 1TjfYPRjEtPbQEt7Xnp5kPY8T+UGUE8C0ywr6Fdcy/wdLD6R7aWaspWfyzR7VPRU4l 0Ph3PiD5AlkdLwnXvec9F3JGhuXwPwCB+G1TZRTM= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 3BF28F805E1; Tue, 6 Jun 2023 16:15:21 +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 9A1D1F805E1; Tue, 6 Jun 2023 16:15:20 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 4392EF80199; Tue, 6 Jun 2023 15:28:17 +0200 (CEST) Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by alsa1.perex.cz (Postfix) with ESMTP id E081EF800ED for ; Tue, 6 Jun 2023 15:28:11 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz E081EF800ED Received: from loongson.cn (unknown [223.106.25.146]) by gateway (Coremail) with SMTP id _____8BxKupANH9kKTEAAA--.383S3; Tue, 06 Jun 2023 21:27:28 +0800 (CST) Received: from localhost.localdomain (unknown [223.106.25.146]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxfcrVM39kyHICAA--.1597S6; Tue, 06 Jun 2023 21:25:45 +0800 (CST) From: Yanteng Si To: tiwai@suse.com Cc: Yanteng Si , perex@perex.cz, chenhuacai@loongson.cn, alsa-devel@alsa-project.org, loongarch@lists.linux.dev, loongson-kernel@lists.loongnix.cn, Yingkun Meng Subject: [PATCH v2 4/4] ALSA: hda/intel: Workaround for WALLCLK register for loongson controller Date: Tue, 6 Jun 2023 21:25:30 +0800 Message-Id: <0a45d46670e54dcf4d0a2a744d89e44554f8744b.1686057365.git.siyanteng@loongson.cn> X-Mailer: git-send-email 2.31.4 In-Reply-To: References: MIME-Version: 1.0 X-CM-TRANSID: AQAAf8AxfcrVM39kyHICAA--.1597S6 X-CM-SenderInfo: pvl1t0pwhqwqxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBj9xXoWrZrW8ZF1fZw4rXrykAFW8uFX_yoWfAFgEgr sFvr1kW3s8JrnxKr1F9FnrXF43ta4kAFy8WFn7tF47Jan5KFWFq34kArnxCFyxZw48XF1Y kwnFqryF9r1rKosvyTuYvTs0mTUanT9S1TB71UUUUUJqnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbx8YFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8JVWxJwA2z4x0Y4vEx4A2jsIE14v26F4UJVW0owA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ Cr1j6rxdM2kKe7AKxVWUXVWUAwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07AIYI kI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUtVWr XwAv7VC2z280aVAFwI0_Cr0_Gr1UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwI xGrwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v2 6r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2 Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVW5JVW7JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_ Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMI IF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07UMGQDUUUUU = X-MailFrom: siyanteng@loongson.cn X-Mailman-Rule-Hits: nonmember-moderation 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 Message-ID-Hash: X2CBGWAPUXFTLOURLKYD4F63YYHHP6HG X-Message-ID-Hash: X2CBGWAPUXFTLOURLKYD4F63YYHHP6HG X-Mailman-Approved-At: Tue, 06 Jun 2023 14:15:08 +0000 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: On loongson controller, the value of WALLCLK register is always 0, which is meaningless, so we return directly. Signed-off-by: Yanteng Si Signed-off-by: Yingkun Meng --- sound/pci/hda/hda_intel.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 0222a1721b4d..56b42d786c8b 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -655,6 +655,9 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) unsigned int pos; snd_pcm_uframes_t hwptr, target; + if (chip->driver_type == AZX_DRIVER_LOONGSON) + return 1; + wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk; if (wallclk < (azx_dev->core.period_wallclk * 2) / 3) return -1; /* bogus (too early) interrupt */