From nobody Tue Sep 16 10:29:29 2025 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 BC340C54E76 for ; Thu, 5 Jan 2023 13:57:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233914AbjAEN4k (ORCPT ); Thu, 5 Jan 2023 08:56:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233981AbjAENzZ (ORCPT ); Thu, 5 Jan 2023 08:55:25 -0500 Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E37004F112 for ; Thu, 5 Jan 2023 05:53:17 -0800 (PST) Received: by mail-ej1-x62e.google.com with SMTP id u19so90160949ejm.8 for ; Thu, 05 Jan 2023 05:53:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=KBGZezEaxNT5mYG63q3/p+giIEe5CEbFfULH3PLbvPA=; b=ha7nB7dh6AnVB76mhxbhh8HsobWs10km0yuGl0mjt61iw/Jhi8PZMlYOCu/9JSMmX9 POoBzUiMatfNKMspA9cO4CK5YVWziEvrWVf116/aoxoFEMD/eRNA3QXqvJN8iYYh9RX9 JOvqsmVAsPri4qiAQlfYUBfivizvECC7J2qtk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=KBGZezEaxNT5mYG63q3/p+giIEe5CEbFfULH3PLbvPA=; b=5pitkCk1BbqhkbEpCWA62howj0bmOtUVannaJV1t9plfwK3gtVouwRYWIDZ0sYKsE3 kweQTS7rcO/9G2BuuEnmmpxz2WsQNPsPZkr8YjZLigYGIkrXZPRT0bYfitjjHu5dNUcz YD5V1kahHjszTmT+fwZHREG3l4oYW1DsnnaZ6zSB6AJLCtRDrCT5D7UKRV+uNks4lXEf /4T5Ryevv/yyxk+xU0WQDoWD6Pzei+JkDntcf8xGtHgaGOn9WOjlwL3m+41II7SMz3y6 +RL1n0Sz4lTlkfEOOUoOtHWV0mdgVVJ4u1s6V9fc4m08iZ4V7j8gOfNhMLJBmYVi6SkD xyBg== X-Gm-Message-State: AFqh2kq8jbPFoUVvyxS8UrWYMgkc2mLsjqB+a+jeKnDLbcC3On87Egte mxiWDfoDND9ICLEURIc6CfJ48D19wl0K/0UsI/A= X-Google-Smtp-Source: AMrXdXvWL+hEKIbcpR394kWiSMIV995umfL4HC7P+6mK2BlYFx5R06LT9dSkoE4e4R3p5NJTjFJK3Q== X-Received: by 2002:a17:907:d50e:b0:7b1:316c:38f5 with SMTP id wb14-20020a170907d50e00b007b1316c38f5mr45507481ejc.30.1672926796528; Thu, 05 Jan 2023 05:53:16 -0800 (PST) Received: from alco.roam.corp.google.com ([2620:0:1059:10:43c3:8ac4:5d6f:2251]) by smtp.gmail.com with ESMTPSA id x11-20020a170906b08b00b007806c1474e1sm16459084ejy.127.2023.01.05.05.53.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Jan 2023 05:53:16 -0800 (PST) From: Ricardo Ribalda Date: Thu, 05 Jan 2023 14:52:53 +0100 Subject: [PATCH v2 2/7] Revert "media: uvcvideo: Implement mask for V4L2_CTRL_TYPE_MENU" MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230105-uvc-gcc5-v2-2-2ba6c660d6f5@chromium.org> References: <20230105-uvc-gcc5-v2-0-2ba6c660d6f5@chromium.org> In-Reply-To: <20230105-uvc-gcc5-v2-0-2ba6c660d6f5@chromium.org> To: Laurent Pinchart , Mauro Carvalho Chehab Cc: Ricardo Ribalda , linux-media@vger.kernel.org, Yunke Cao , linux-kernel@vger.kernel.org, Sergey Senozhatsky X-Mailer: b4 0.11.0-dev-696ae X-Developer-Signature: v=1; a=openpgp-sha256; l=6121; i=ribalda@chromium.org; h=from:subject:message-id; bh=Bll6tbezraJ/a0Cf4Y3tLo27i37SeM2dqnIYPB0QUok=; b=owEBbQKS/ZANAwAKAdE30T7POsSIAcsmYgBjttY/b7bCcBop5GwSyb/1YFamleXQAd6qIqP2JHx1 qY7UH0qJAjMEAAEKAB0WIQREDzjr+/4oCDLSsx7RN9E+zzrEiAUCY7bWPwAKCRDRN9E+zzrEiHayEA Cfi85jtOUubPwcJiNUckr9rdVK9KWxh04irky5T/yMtCiLB4GCzJnrrCg1ZFv9Y2c5avnu05kOJvy0 fR2Bq3EQ3i9lZs1ZLq2OD2DLCDD+9KQwHWY/kwY8ixEfYflFKk6mm/VO27RtbDwPHT/1kQuuCmRPUU MXI91USBrnGJBsbvDxOLN4OFwkXAK6Bfarfw+/N5b6rOwf0K+BJzHfl9TS0cmUAQDOaQXp6Zp6OJuG pt3Az/NbbSKFL8TEF/dSOHg4RuREm4i/qZvy0KtT/OzJzbI1mrCVXW4/DvyarOPUqox4MRq5cjvmXY GeesdEKfDgQOSiBXOzjfGu8k8E7bAvv0gYD+Vbv0diRj/UPvqWGAas5pVe1jrS6MkbXlZQ6GfgkeWi z9F4Ev5liP+aVJSj20jqhCFgQFkFkCGp182BQ9sN4hTyXzox9zWCjkXkDj7PQ6RoV2SdhFX30IMXq1 GZ+Rw6bhbCLQ+b52X/o+s6Nsp4ELUKksGvk6VGxxEIOtA9v9szJab6LbLXgEWIUfQ5j8dkPdWFlmZZ maQkb9c97wVmA76INBqtdu0UyUBzWcT7J7O88XTBZErcVGbSzz0JfbHDv9TqxRHY6AidbwF3aZcyCz gvnySmUumXriNVIXQ8CoTa/49uFa+kqPwMdaYGIkrAURho74BesR+G5E39vQ== X-Developer-Key: i=ribalda@chromium.org; a=openpgp; fpr=9EC3BB66E2FC129A6F90B39556A0D81F9F782DA9 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This reverts commit 2ada36ecf16dcd32b56554f01ce38f273bc16efc. BIT_MASK is nothing more than BIT(). Fixes: 2ada36ecf16d ("media: uvcvideo: Implement mask for V4L2_CTRL_TYPE_ME= NU") Signed-off-by: Ricardo Ribalda --- drivers/media/usb/uvc/uvc_ctrl.c | 30 ++++++++++-------------------- drivers/media/usb/uvc/uvc_driver.c | 3 +-- drivers/media/usb/uvc/uvc_v4l2.c | 3 +-- drivers/media/usb/uvc/uvcvideo.h | 2 +- 4 files changed, 13 insertions(+), 25 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_c= trl.c index 06bb3822c05d..ffa0e2654264 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -6,7 +6,6 @@ * Laurent Pinchart (laurent.pinchart@ideasonboard.com) */ =20 -#include #include #include #include @@ -526,7 +525,7 @@ static const struct uvc_control_mapping uvc_ctrl_mappin= gs[] =3D { .v4l2_type =3D V4L2_CTRL_TYPE_MENU, .data_type =3D UVC_CTRL_DATA_TYPE_BITMASK, .menu_info =3D exposure_auto_controls, - .menu_mask =3D BIT_MASK(ARRAY_SIZE(exposure_auto_controls)), + .menu_count =3D ARRAY_SIZE(exposure_auto_controls), .slave_ids =3D { V4L2_CID_EXPOSURE_ABSOLUTE, }, }, { @@ -732,7 +731,7 @@ static const struct uvc_control_mapping uvc_ctrl_mappin= gs_uvc11[] =3D { .v4l2_type =3D V4L2_CTRL_TYPE_MENU, .data_type =3D UVC_CTRL_DATA_TYPE_ENUM, .menu_info =3D power_line_frequency_controls, - .menu_mask =3D BIT_MASK(ARRAY_SIZE(power_line_frequency_controls) - 1), + .menu_count =3D ARRAY_SIZE(power_line_frequency_controls) - 1, }, }; =20 @@ -746,7 +745,7 @@ static const struct uvc_control_mapping uvc_ctrl_mappin= gs_uvc15[] =3D { .v4l2_type =3D V4L2_CTRL_TYPE_MENU, .data_type =3D UVC_CTRL_DATA_TYPE_ENUM, .menu_info =3D power_line_frequency_controls, - .menu_mask =3D BIT_MASK(ARRAY_SIZE(power_line_frequency_controls)), + .menu_count =3D ARRAY_SIZE(power_line_frequency_controls), }, }; =20 @@ -976,9 +975,7 @@ static s32 __uvc_ctrl_get_value(struct uvc_control_mapp= ing *mapping, const struct uvc_menu_info *menu =3D mapping->menu_info; unsigned int i; =20 - for (i =3D 0; BIT(i) <=3D mapping->menu_mask; ++i, ++menu) { - if (!test_bit(i, &mapping->menu_mask)) - continue; + for (i =3D 0; i < mapping->menu_count; ++i, ++menu) { if (menu->value =3D=3D value) { value =3D i; break; @@ -1231,14 +1228,12 @@ static int __uvc_query_v4l2_ctrl(struct uvc_video_c= hain *chain, =20 switch (mapping->v4l2_type) { case V4L2_CTRL_TYPE_MENU: - v4l2_ctrl->minimum =3D ffs(mapping->menu_mask) - 1; - v4l2_ctrl->maximum =3D fls(mapping->menu_mask) - 1; + v4l2_ctrl->minimum =3D 0; + v4l2_ctrl->maximum =3D mapping->menu_count - 1; v4l2_ctrl->step =3D 1; =20 menu =3D mapping->menu_info; - for (i =3D 0; BIT(i) <=3D mapping->menu_mask; ++i, ++menu) { - if (!test_bit(i, &mapping->menu_mask)) - continue; + for (i =3D 0; i < mapping->menu_count; ++i, ++menu) { if (menu->value =3D=3D v4l2_ctrl->default_value) { v4l2_ctrl->default_value =3D i; break; @@ -1359,7 +1354,7 @@ int uvc_query_v4l2_menu(struct uvc_video_chain *chain, goto done; } =20 - if (!test_bit(query_menu->index, &mapping->menu_mask)) { + if (query_menu->index >=3D mapping->menu_count) { ret =3D -EINVAL; goto done; } @@ -1873,13 +1868,8 @@ int uvc_ctrl_set(struct uvc_fh *handle, break; =20 case V4L2_CTRL_TYPE_MENU: - if (xctrl->value < (ffs(mapping->menu_mask) - 1) || - xctrl->value > (fls(mapping->menu_mask) - 1)) + if (xctrl->value < 0 || xctrl->value >=3D mapping->menu_count) return -ERANGE; - - if (!test_bit(xctrl->value, &mapping->menu_mask)) - return -EINVAL; - value =3D mapping->menu_info[xctrl->value].value; =20 /* @@ -2316,7 +2306,7 @@ static int __uvc_ctrl_add_mapping(struct uvc_video_ch= ain *chain, =20 INIT_LIST_HEAD(&map->ev_subs); =20 - size =3D sizeof(*mapping->menu_info) * fls(mapping->menu_mask); + size =3D sizeof(*mapping->menu_info) * mapping->menu_count; map->menu_info =3D kmemdup(mapping->menu_info, size, GFP_KERNEL); if (!map->menu_info) goto err_nomem; diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc= _driver.c index 2f59ee80a0af..6d08457ecb9c 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -7,7 +7,6 @@ */ =20 #include -#include #include #include #include @@ -2392,7 +2391,7 @@ static const struct uvc_control_mapping uvc_ctrl_powe= r_line_mapping_limited =3D { .v4l2_type =3D V4L2_CTRL_TYPE_MENU, .data_type =3D UVC_CTRL_DATA_TYPE_ENUM, .menu_info =3D power_line_frequency_controls_limited, - .menu_mask =3D BIT_MASK(ARRAY_SIZE(power_line_frequency_controls_limited)= ), + .menu_count =3D ARRAY_SIZE(power_line_frequency_controls_limited), }; =20 static const struct uvc_device_info uvc_ctrl_power_line_limited =3D { diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v= 4l2.c index ed2525e7e2a5..3edb54c086b2 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -6,7 +6,6 @@ * Laurent Pinchart (laurent.pinchart@ideasonboard.com) */ =20 -#include #include #include #include @@ -81,7 +80,7 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *cha= in, goto free_map; } =20 - map->menu_mask =3D BIT_MASK(xmap->menu_count); + map->menu_count =3D xmap->menu_count; break; =20 default: diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvi= deo.h index a8eec43cd860..41ba0bbd8171 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -115,7 +115,7 @@ struct uvc_control_mapping { u32 data_type; =20 const struct uvc_menu_info *menu_info; - unsigned long menu_mask; + u32 menu_count; =20 u32 master_id; s32 master_manual; --=20 2.39.0.314.g84b9a713c41-goog-b4-0.11.0-dev-696ae