From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaechul Lee Subject: [PATCH 3/3] ASoC: samsung: Fix invalid argument when devm_gpiod_get is called Date: Mon, 28 Aug 2017 19:01:02 +0900 Message-ID: <20170828100102.17591-4-jcsing.lee@samsung.com> References: <20170828100102.17591-1-jcsing.lee@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mailout4.samsung.com (mailout4.samsung.com [203.254.224.34]) by alsa0.perex.cz (Postfix) with ESMTP id 6BEE326691F for ; Mon, 28 Aug 2017 12:01:08 +0200 (CEST) In-reply-to: <20170828100102.17591-1-jcsing.lee@samsung.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Krzysztof Kozlowski , Sangbeom Kim , Sylwester Nawrocki , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org Cc: Chanwoo Choi , galaxyra@gmail.com, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Jaechul Lee List-Id: alsa-devel@alsa-project.org devm_gpiod_get is called with GPIOF_OUT_INIT_LOW but the function doesn't allow the parameters. Unluckily, GPIOF_OUT_INIT_LOW is same value as GPIOD_IN so it works like input gpio. Muted stream comes up when I try recording some sounds on TM2. mic-bias gpiod state can't be changed because the gpiod is created with the invalid parameter. The gpio should be set GPIOD_OUT_HIGH. Fixes: 1bfbc260a5b4 ("ASoC: samsung: Add machine driver for Exynos5433 based TM2 board") Signed-off-by: Jaechul Lee --- sound/soc/samsung/tm2_wm5110.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/soc/samsung/tm2_wm5110.c b/sound/soc/samsung/tm2_wm5110.c index f467ad06e827..76abe45ed537 100644 --- a/sound/soc/samsung/tm2_wm5110.c +++ b/sound/soc/samsung/tm2_wm5110.c @@ -439,8 +439,7 @@ static int tm2_probe(struct platform_device *pdev) snd_soc_card_set_drvdata(card, priv); card->dev = dev; - priv->gpio_mic_bias = devm_gpiod_get(dev, "mic-bias", - GPIOF_OUT_INIT_LOW); + priv->gpio_mic_bias = devm_gpiod_get(dev, "mic-bias", GPIOD_OUT_HIGH); if (IS_ERR(priv->gpio_mic_bias)) { dev_err(dev, "Failed to get mic bias gpio\n"); return PTR_ERR(priv->gpio_mic_bias); -- 2.14.1