From patchwork Fri Nov 8 09:34:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 841954 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98DA11E9064; Fri, 8 Nov 2024 09:35:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731058539; cv=none; b=n39603ooQ43NXQjczYCeix7ZYHaY6w+HTCVvptccJRisIZO8K+KyD1hwWOA4DKMhNN0CfB8OsUZMu4cliRjHc4iNzWLxW0FDFQXWkDEfqEM7H7+eOp7EFBwA9moyHtn7TY7I0nkYXil8dNX6oPkgGLtntKehoZyBMcDkWPoj190= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731058539; c=relaxed/simple; bh=+aGStSJXTWqelGHlqRUtWZzk5xBxaNgQWiqlHT0OzxU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=PMFgLUk23QOMVfQZBaLiH0kILi8ZGahPH6R5rs1e0PRvtQd9QEXuk+tq1/d31tQatfvaZGlTQd1+0DZmgRbtWnOrq3XQ5Sb6KOOwLTnmCF1R+P6N0JmIApW4vzcdWvPIFpgRPJsjcaWmzOeM3XANG1U//iDJOPa8hdozPyDcEwM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=P77SAF9T; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="P77SAF9T" Received: from [127.0.1.1] (91-157-155-49.elisa-laajakaista.fi [91.157.155.49]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 9D2BEBC0; Fri, 8 Nov 2024 10:35:13 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1731058514; bh=+aGStSJXTWqelGHlqRUtWZzk5xBxaNgQWiqlHT0OzxU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=P77SAF9Tkl4xw2BfrAR9Z7qU+UjiCfPbcnSeJYwB+yj/azD9ccoACR+ARAQ6CQZxE 2PNIKWcDpqUjTT4NIYQeo/DaOzTYPQD35iKQGU1J2XEh4P/60LinvW9RdVca5aCNSH vyCxXJT997Sqh+3EVD/XmVLMasGrHYyeLTjufac0= From: Tomi Valkeinen Date: Fri, 08 Nov 2024 11:34:57 +0200 Subject: [PATCH v2 13/15] media: i2c: ds90ub913: Add error handling to ub913_hw_init() Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241108-ub9xx-fixes-v2-13-c7db3b2ad89f@ideasonboard.com> References: <20241108-ub9xx-fixes-v2-0-c7db3b2ad89f@ideasonboard.com> In-Reply-To: <20241108-ub9xx-fixes-v2-0-c7db3b2ad89f@ideasonboard.com> To: Mauro Carvalho Chehab , Sakari Ailus , Hans Verkuil , Andy Shevchenko Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Jai Luthra , Tomi Valkeinen X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1534; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=+aGStSJXTWqelGHlqRUtWZzk5xBxaNgQWiqlHT0OzxU=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBnLdtSfROzJv7xaijYKElEQV72lDFBQ4JjwB9Ww 0S3RSJfNOKJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZy3bUgAKCRD6PaqMvJYe 9UjWD/9aOH+XOJaJ26NTlH3iIDlVd0Y/giIHGSOlKUPBnyLen9xM3E8GGf+5jwbhyxrRraA9R9V cNqMDeoEo+1AFYq3b48TRwHb8V4MrTvH5ujb8QeHnDIdoGYOOCMvHrPK2PYKGpETRcHWCBhReBN xT8SRVEQSG/olzBejWDNEWDrqngEGUBvnpo3QxB1DpBUnLbJbuD42qS8AxI2/shR7YKO3vi9d4E 6HtqRIOWYSkoqYBUMhzzA6SwemBMu5s0WtUhPTpha4Y23kRqudh23crRYp8B9/e+7EMbFX/3kFA CbfEB0aD2z65AKejlB9Lhan7srVnkj7shKHb/qk9t+S1bxSpkpacXoWvQZrXIXJl5Pc5bfrB905 M5o8OgkxgXZgUMZmNXK6/k+BUdW/E/kyYOa+sv+2EkRfh6qqTdWG1slIif08mFcCQ4inaqwJWDH oJvhUtdTYFLx8rQGYS4HbR7OHgFOjtuHmTfII+x2IO37VALGGWaFw61aiiszgQC98O71n/W2G1q synCUW5KU5BsKpAOPXW1Jku3aN3aC8szu/cM+xrNtp6jGJ5l3XaaKL+9iFi6F9gJpMeUbSq+ZMD jsEtkQ7Bspmcd6SKXd3WQLjIQTnBPPa0EO1YGNswN0r7o14ATvaWEZwTAYEYb/iHghlZeSpaQ/k q7UWMDbAfSumPuA== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 Add error handling to ub913_hw_init() using a new helper function, ub913_update_bits(). Signed-off-by: Tomi Valkeinen --- drivers/media/i2c/ds90ub913.c | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/ds90ub913.c b/drivers/media/i2c/ds90ub913.c index 150d6641516f..5db11b6e7e2b 100644 --- a/drivers/media/i2c/ds90ub913.c +++ b/drivers/media/i2c/ds90ub913.c @@ -146,6 +146,19 @@ static int ub913_write(const struct ub913_data *priv, u8 reg, u8 val) return ret; } +static int ub913_update_bits(const struct ub913_data *priv, u8 reg, u8 mask, + u8 val) +{ + int ret; + + ret = regmap_update_bits(priv->regmap, reg, mask, val); + if (ret < 0) + dev_err(&priv->client->dev, + "Cannot update register 0x%02x %d!\n", reg, ret); + + return ret; +} + /* * GPIO chip */ @@ -733,10 +746,13 @@ static int ub913_hw_init(struct ub913_data *priv) if (ret) return dev_err_probe(dev, ret, "i2c master init failed\n"); - ub913_read(priv, UB913_REG_GENERAL_CFG, &v); - v &= ~UB913_REG_GENERAL_CFG_PCLK_RISING; - v |= priv->pclk_polarity_rising ? UB913_REG_GENERAL_CFG_PCLK_RISING : 0; - ub913_write(priv, UB913_REG_GENERAL_CFG, v); + ret = ub913_update_bits(priv, UB913_REG_GENERAL_CFG, + UB913_REG_GENERAL_CFG_PCLK_RISING, + FIELD_PREP(UB913_REG_GENERAL_CFG_PCLK_RISING, + priv->pclk_polarity_rising)); + + if (ret) + return ret; return 0; }