From patchwork Thu Apr 12 16:51:16 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 10339067 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 7FBDB60365 for ; Thu, 12 Apr 2018 16:54:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7286527EE2 for ; Thu, 12 Apr 2018 16:54:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 66E2727F10; Thu, 12 Apr 2018 16:54:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CFCA527EE2 for ; Thu, 12 Apr 2018 16:54:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753146AbeDLQyE (ORCPT ); Thu, 12 Apr 2018 12:54:04 -0400 Received: from srv-hp10-72.netsons.net ([94.141.22.72]:52693 "EHLO srv-hp10-72.netsons.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752849AbeDLQvf (ORCPT ); Thu, 12 Apr 2018 12:51:35 -0400 Received: from [109.168.11.45] (port=43744 helo=pc-ceresoli.dev.aim) by srv-hp10.netsons.net with esmtpa (Exim 4.89_1) (envelope-from ) id 1f6fRa-001U03-H8; Thu, 12 Apr 2018 18:51:30 +0200 From: Luca Ceresoli To: linux-media@vger.kernel.org Cc: Luca Ceresoli , Leon Luo , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org Subject: [PATCH 11/13] imx274: simplify imx274_write_table() Date: Thu, 12 Apr 2018 18:51:16 +0200 Message-Id: <1523551878-15754-12-git-send-email-luca@lucaceresoli.net> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1523551878-15754-1-git-send-email-luca@lucaceresoli.net> References: <1523551878-15754-1-git-send-email-luca@lucaceresoli.net> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - srv-hp10.netsons.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lucaceresoli.net X-Get-Message-Sender-Via: srv-hp10.netsons.net: authenticated_id: luca+lucaceresoli.net/only user confirmed/virtual account not confirmed X-Authenticated-Sender: srv-hp10.netsons.net: luca@lucaceresoli.net X-Source: X-Source-Args: X-Source-Dir: Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP imx274_write_table() is a mere wrapper (and the only user) to imx274_regmap_util_write_table_8(). Remove this useless indirection by merging the two functions into one. Also get rid of the wait_ms_addr and end_addr parameters since it does not make any sense to give them any values other than IMX274_TABLE_WAIT_MS and IMX274_TABLE_END. Signed-off-by: Luca Ceresoli --- drivers/media/i2c/imx274.c | 28 ++++++++++------------------ 1 file changed, 10 insertions(+), 18 deletions(-) diff --git a/drivers/media/i2c/imx274.c b/drivers/media/i2c/imx274.c index 39d548ce30c4..ebe37a087a02 100644 --- a/drivers/media/i2c/imx274.c +++ b/drivers/media/i2c/imx274.c @@ -597,20 +597,18 @@ static inline struct stimx274 *to_imx274(struct v4l2_subdev *sd) } /* - * imx274_regmap_util_write_table_8 - Function for writing register table - * @regmap: Pointer to device reg map structure - * @table: Table containing register values - * @wait_ms_addr: Flag for performing delay - * @end_addr: Flag for incating end of table + * Writing a register table + * + * @priv: Pointer to device + * @table: Table containing register values (with optional delays) * * This is used to write register table into sensor's reg map. * * Return: 0 on success, errors otherwise */ -static int imx274_regmap_util_write_table_8(struct regmap *regmap, - const struct reg_8 table[], - u16 wait_ms_addr, u16 end_addr) +static int imx274_write_table(struct stimx274 *priv, const struct reg_8 table[]) { + struct regmap *regmap = priv->regmap; int err = 0; const struct reg_8 *next; u8 val; @@ -622,8 +620,8 @@ static int imx274_regmap_util_write_table_8(struct regmap *regmap, for (next = table;; next++) { if ((next->addr != range_start + range_count) || - (next->addr == end_addr) || - (next->addr == wait_ms_addr) || + (next->addr == IMX274_TABLE_END) || + (next->addr == IMX274_TABLE_WAIT_MS) || (range_count == max_range_vals)) { if (range_count == 1) err = regmap_write(regmap, @@ -642,10 +640,10 @@ static int imx274_regmap_util_write_table_8(struct regmap *regmap, range_count = 0; /* Handle special address values */ - if (next->addr == end_addr) + if (next->addr == IMX274_TABLE_END) break; - if (next->addr == wait_ms_addr) { + if (next->addr == IMX274_TABLE_WAIT_MS) { msleep_range(next->val); continue; } @@ -692,12 +690,6 @@ static inline int imx274_write_reg(struct stimx274 *priv, u16 addr, u8 val) return err; } -static int imx274_write_table(struct stimx274 *priv, const struct reg_8 table[]) -{ - return imx274_regmap_util_write_table_8(priv->regmap, - table, IMX274_TABLE_WAIT_MS, IMX274_TABLE_END); -} - /* * Set mode registers to start stream. * @priv: Pointer to device structure