From patchwork Mon May 8 07:15:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Trevor Wu X-Patchwork-Id: 679925 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 8EE55C77B7F for ; Mon, 8 May 2023 07:17:46 +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 5620912C5; Mon, 8 May 2023 09:16:54 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 5620912C5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1683530264; bh=sSKQEB3LRIfKmDxtwWFdB9Kb32BF1ofjBnRGKuaTV2M=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Archive: List-Help:List-Owner:List-Post:List-Subscribe:List-Unsubscribe: From:Reply-To:Cc:From; b=U/XZzRwE1gnufhaliXmyWNLgzquInUc2reHK5BiByZ+AbQYnwj9S+zAeYHbF+mhit 91ZU2X5wMqzJxAE8E7rqasj2z/THJ3da2Vw55TCthuqVVNwh5mnFSRyfhFbB6vgA/Z zgQv2HFambEYKU25tBzLzcaybRNlDQ8ZWD1S6Q34= Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id E581AF80557; Mon, 8 May 2023 09:16:02 +0200 (CEST) To: , , , , , Subject: [PATCH 3/4] ASoC: mediatek: mt6359: add mtkaif gpio setting Date: Mon, 8 May 2023 15:15:31 +0800 In-Reply-To: <20230508071532.21665-1-trevor.wu@mediatek.com> References: <20230508071532.21665-1-trevor.wu@mediatek.com> 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: MIME-Version: 1.0 Message-ID: <168353016237.26.15203659559210406952@mailman-core.alsa-project.org> X-Patchwork-Original-From: Trevor Wu via Alsa-devel From: Trevor Wu Reply-To: Trevor Wu Cc: trevor.wu@mediatek.com, bicycle.tsai@mediatek.com, ting-fang.hou@mediatek.com, alsa-devel@alsa-project.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Content-Disposition: inline Add mtkaif gpio driving to increase signal strength and smt setting to prevent from overshooting. Signed-off-by: Trevor Wu --- sound/soc/codecs/mt6359.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/sound/soc/codecs/mt6359.c b/sound/soc/codecs/mt6359.c index 65e6d4d08b6a..a37ad61a8253 100644 --- a/sound/soc/codecs/mt6359.c +++ b/sound/soc/codecs/mt6359.c @@ -18,6 +18,20 @@ #include "mt6359.h" +static void mt6359_set_gpio_smt(struct mt6359_priv *priv) +{ + /* set gpio SMT mode */ + regmap_update_bits(priv->regmap, MT6359_SMT_CON1, 0x3ff0, 0x3ff0); +} + +static void mt6359_set_gpio_driving(struct mt6359_priv *priv) +{ + /* 8:4mA(default), a:8mA, c:12mA, e:16mA */ + regmap_update_bits(priv->regmap, MT6359_DRV_CON2, 0xffff, 0x8888); + regmap_update_bits(priv->regmap, MT6359_DRV_CON3, 0xffff, 0x8888); + regmap_update_bits(priv->regmap, MT6359_DRV_CON4, 0x00ff, 0x88); +} + static void mt6359_set_playback_gpio(struct mt6359_priv *priv) { /* set gpio mosi mode, clk / data mosi */ @@ -2745,6 +2759,8 @@ static int mt6359_codec_init_reg(struct snd_soc_component *cmpnt) 0x1 << RG_AUDLOLSCDISABLE_VAUDP32_SFT); /* set gpio */ + mt6359_set_gpio_smt(priv); + mt6359_set_gpio_driving(priv); mt6359_reset_playback_gpio(priv); mt6359_reset_capture_gpio(priv);