From patchwork Thu Aug 18 14:47:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marco Felsch X-Patchwork-Id: 598354 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64F32C32772 for ; Thu, 18 Aug 2022 14:47:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245707AbiHROr3 (ORCPT ); Thu, 18 Aug 2022 10:47:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245595AbiHROrX (ORCPT ); Thu, 18 Aug 2022 10:47:23 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA30995E70 for ; Thu, 18 Aug 2022 07:47:21 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oOgnk-0008KN-3d; Thu, 18 Aug 2022 16:47:16 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1oOgnj-000X2u-DQ; Thu, 18 Aug 2022 16:47:15 +0200 Received: from mfe by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1oOgni-004BVV-4i; Thu, 18 Aug 2022 16:47:14 +0200 From: Marco Felsch To: mchehab@kernel.org, sakari.ailus@linux.intel.com, laurent.pinchart+renesas@ideasonboard.com, jacopo+renesas@jmondi.org, akinobu.mita@gmail.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 1/4] media: mt9m111: add V4L2_CID_PIXEL_RATE support Date: Thu, 18 Aug 2022 16:47:09 +0200 Message-Id: <20220818144712.997477-1-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add support to report the PIXEL_RATE so a host or bridge device can ask the sensor. Signed-off-by: Marco Felsch --- drivers/media/i2c/mt9m111.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/mt9m111.c b/drivers/media/i2c/mt9m111.c index afc86efa9e3e..cdaf283e1309 100644 --- a/drivers/media/i2c/mt9m111.c +++ b/drivers/media/i2c/mt9m111.c @@ -908,6 +908,8 @@ static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl) return mt9m111_set_test_pattern(mt9m111, ctrl->val); case V4L2_CID_COLORFX: return mt9m111_set_colorfx(mt9m111, ctrl->val); + case V4L2_CID_PIXEL_RATE: + return 0; } return -EINVAL; @@ -1249,6 +1251,7 @@ static int mt9m111_probe(struct i2c_client *client) { struct mt9m111 *mt9m111; struct i2c_adapter *adapter = client->adapter; + unsigned long mclk_rate; int ret; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) { @@ -1271,6 +1274,13 @@ static int mt9m111_probe(struct i2c_client *client) if (IS_ERR(mt9m111->clk)) return PTR_ERR(mt9m111->clk); + ret = clk_prepare_enable(mt9m111->clk); + if (ret < 0) + return ret; + + mclk_rate = clk_get_rate(mt9m111->clk); + clk_disable_unprepare(mt9m111->clk); + mt9m111->regulator = devm_regulator_get(&client->dev, "vdd"); if (IS_ERR(mt9m111->regulator)) { dev_err(&client->dev, "regulator not found: %ld\n", @@ -1285,7 +1295,7 @@ static int mt9m111_probe(struct i2c_client *client) mt9m111->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; - v4l2_ctrl_handler_init(&mt9m111->hdl, 7); + v4l2_ctrl_handler_init(&mt9m111->hdl, 8); v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops, @@ -1309,6 +1319,9 @@ static int mt9m111_probe(struct i2c_client *client) BIT(V4L2_COLORFX_NEGATIVE) | BIT(V4L2_COLORFX_SOLARIZATION)), V4L2_COLORFX_NONE); + v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops, V4L2_CID_PIXEL_RATE, + mclk_rate, mclk_rate, 1, mclk_rate); + mt9m111->subdev.ctrl_handler = &mt9m111->hdl; if (mt9m111->hdl.error) { ret = mt9m111->hdl.error;