From mboxrd@z Thu Jan 1 00:00:00 1970 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 9C35CC05027 for ; Thu, 26 Jan 2023 23:26:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232460AbjAZX0n (ORCPT ); Thu, 26 Jan 2023 18:26:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230482AbjAZX0m (ORCPT ); Thu, 26 Jan 2023 18:26:42 -0500 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9531D442E4; Thu, 26 Jan 2023 15:26:41 -0800 (PST) Received: from pendragon.ideasonboard.com (213-243-189-158.bb.dnainternet.fi [213.243.189.158]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id AAFDACDB; Fri, 27 Jan 2023 00:26:39 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1674775599; bh=bD9ub7Lx41PIYpylwRu7nQRd2itD+FDUN1HA3Nz4JH8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=od7aKBVxw1RZRWDt2BcI9TzKlN15M9fgOrTmopk6OyG4JraQ8+/Lyr7cdcCB2633K 728PvzSGv+EnBk1GKLPMiHZY/mxJN54ManOONgZ3iEnGlX+Yh9ugABbLa0QzPkoCKC eTKe/UNaZPaC8KJqGFBKCPmsl2cZV47NXz534+r8= Date: Fri, 27 Jan 2023 01:26:36 +0200 From: Laurent Pinchart To: Michael Grzeschik Cc: gregkh@linuxfoundation.org, mchehab@kernel.org, hverkuil-cisco@xs4all.nl, linux-usb@vger.kernel.org, linux-media@vger.kernel.org, kernel@pengutronix.de, Daniel Scally Subject: Re: [PATCH v3 5/5] usb: uvc: use v4l2_fill_fmtdesc instead of open coded format name Message-ID: References: <20230126231456.3402323-1-m.grzeschik@pengutronix.de> <20230126231456.3402323-6-m.grzeschik@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20230126231456.3402323-6-m.grzeschik@pengutronix.de> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hi Michael, Thank you for the patch. On Fri, Jan 27, 2023 at 12:14:56AM +0100, Michael Grzeschik wrote: > Since v4l2_fill_fmtdesc will be called in the ioctl v4l_enum_fmt anyway. > We can set the format description and compressed flag from v4l_fill_fmtdesc > and can remove the extra name field in uvc_format_desc. > > Reviewed-by: Daniel Scally > Tested-by: Daniel Scally > Signed-off-by: Michael Grzeschik Happy to see the name field being dropped. Reviewed-by: Laurent Pinchart > --- > v1 -> v2: - added reviewed and tested tags > v2 -> v3: - removed corresponding code in uvc_driver > - using call from v4l_enum_fmt in uvc_v4l2.c > > drivers/media/common/uvc.c | 38 -------------------------- > drivers/usb/gadget/function/uvc_v4l2.c | 6 ---- > include/linux/usb/uvc.h | 1 - > 3 files changed, 45 deletions(-) > > diff --git a/drivers/media/common/uvc.c b/drivers/media/common/uvc.c > index 2b4df3e8f48aa6..9c0ba7a6c185b1 100644 > --- a/drivers/media/common/uvc.c > +++ b/drivers/media/common/uvc.c > @@ -13,192 +13,154 @@ > > static const struct uvc_format_desc uvc_fmts[] = { > { > - .name = "YUV 4:2:2 (YUYV)", > .guid = UVC_GUID_FORMAT_YUY2, > .fcc = V4L2_PIX_FMT_YUYV, > }, > { > - .name = "YUV 4:2:2 (YUYV)", > .guid = UVC_GUID_FORMAT_YUY2_ISIGHT, > .fcc = V4L2_PIX_FMT_YUYV, > }, > { > - .name = "YUV 4:2:0 (NV12)", > .guid = UVC_GUID_FORMAT_NV12, > .fcc = V4L2_PIX_FMT_NV12, > }, > { > - .name = "MJPEG", > .guid = UVC_GUID_FORMAT_MJPEG, > .fcc = V4L2_PIX_FMT_MJPEG, > }, > { > - .name = "YVU 4:2:0 (YV12)", > .guid = UVC_GUID_FORMAT_YV12, > .fcc = V4L2_PIX_FMT_YVU420, > }, > { > - .name = "YUV 4:2:0 (I420)", > .guid = UVC_GUID_FORMAT_I420, > .fcc = V4L2_PIX_FMT_YUV420, > }, > { > - .name = "YUV 4:2:0 (M420)", > .guid = UVC_GUID_FORMAT_M420, > .fcc = V4L2_PIX_FMT_M420, > }, > { > - .name = "YUV 4:2:2 (UYVY)", > .guid = UVC_GUID_FORMAT_UYVY, > .fcc = V4L2_PIX_FMT_UYVY, > }, > { > - .name = "Greyscale 8-bit (Y800)", > .guid = UVC_GUID_FORMAT_Y800, > .fcc = V4L2_PIX_FMT_GREY, > }, > { > - .name = "Greyscale 8-bit (Y8 )", > .guid = UVC_GUID_FORMAT_Y8, > .fcc = V4L2_PIX_FMT_GREY, > }, > { > - .name = "Greyscale 8-bit (D3DFMT_L8)", > .guid = UVC_GUID_FORMAT_D3DFMT_L8, > .fcc = V4L2_PIX_FMT_GREY, > }, > { > - .name = "IR 8-bit (L8_IR)", > .guid = UVC_GUID_FORMAT_KSMEDIA_L8_IR, > .fcc = V4L2_PIX_FMT_GREY, > }, > { > - .name = "Greyscale 10-bit (Y10 )", > .guid = UVC_GUID_FORMAT_Y10, > .fcc = V4L2_PIX_FMT_Y10, > }, > { > - .name = "Greyscale 12-bit (Y12 )", > .guid = UVC_GUID_FORMAT_Y12, > .fcc = V4L2_PIX_FMT_Y12, > }, > { > - .name = "Greyscale 16-bit (Y16 )", > .guid = UVC_GUID_FORMAT_Y16, > .fcc = V4L2_PIX_FMT_Y16, > }, > { > - .name = "BGGR Bayer (BY8 )", > .guid = UVC_GUID_FORMAT_BY8, > .fcc = V4L2_PIX_FMT_SBGGR8, > }, > { > - .name = "BGGR Bayer (BA81)", > .guid = UVC_GUID_FORMAT_BA81, > .fcc = V4L2_PIX_FMT_SBGGR8, > }, > { > - .name = "GBRG Bayer (GBRG)", > .guid = UVC_GUID_FORMAT_GBRG, > .fcc = V4L2_PIX_FMT_SGBRG8, > }, > { > - .name = "GRBG Bayer (GRBG)", > .guid = UVC_GUID_FORMAT_GRBG, > .fcc = V4L2_PIX_FMT_SGRBG8, > }, > { > - .name = "RGGB Bayer (RGGB)", > .guid = UVC_GUID_FORMAT_RGGB, > .fcc = V4L2_PIX_FMT_SRGGB8, > }, > { > - .name = "RGB565", > .guid = UVC_GUID_FORMAT_RGBP, > .fcc = V4L2_PIX_FMT_RGB565, > }, > { > - .name = "BGR 8:8:8 (BGR3)", > .guid = UVC_GUID_FORMAT_BGR3, > .fcc = V4L2_PIX_FMT_BGR24, > }, > { > - .name = "BGRA/X 8:8:8:8 (BGR4)", > .guid = UVC_GUID_FORMAT_BGR4, > .fcc = V4L2_PIX_FMT_XBGR32, > }, > { > - .name = "H.264", > .guid = UVC_GUID_FORMAT_H264, > .fcc = V4L2_PIX_FMT_H264, > }, > { > - .name = "H.265", > .guid = UVC_GUID_FORMAT_H265, > .fcc = V4L2_PIX_FMT_HEVC, > }, > { > - .name = "Greyscale 8 L/R (Y8I)", > .guid = UVC_GUID_FORMAT_Y8I, > .fcc = V4L2_PIX_FMT_Y8I, > }, > { > - .name = "Greyscale 12 L/R (Y12I)", > .guid = UVC_GUID_FORMAT_Y12I, > .fcc = V4L2_PIX_FMT_Y12I, > }, > { > - .name = "Depth data 16-bit (Z16)", > .guid = UVC_GUID_FORMAT_Z16, > .fcc = V4L2_PIX_FMT_Z16, > }, > { > - .name = "Bayer 10-bit (SRGGB10P)", > .guid = UVC_GUID_FORMAT_RW10, > .fcc = V4L2_PIX_FMT_SRGGB10P, > }, > { > - .name = "Bayer 16-bit (SBGGR16)", > .guid = UVC_GUID_FORMAT_BG16, > .fcc = V4L2_PIX_FMT_SBGGR16, > }, > { > - .name = "Bayer 16-bit (SGBRG16)", > .guid = UVC_GUID_FORMAT_GB16, > .fcc = V4L2_PIX_FMT_SGBRG16, > }, > { > - .name = "Bayer 16-bit (SRGGB16)", > .guid = UVC_GUID_FORMAT_RG16, > .fcc = V4L2_PIX_FMT_SRGGB16, > }, > { > - .name = "Bayer 16-bit (SGRBG16)", > .guid = UVC_GUID_FORMAT_GR16, > .fcc = V4L2_PIX_FMT_SGRBG16, > }, > { > - .name = "Depth data 16-bit (Z16)", > .guid = UVC_GUID_FORMAT_INVZ, > .fcc = V4L2_PIX_FMT_Z16, > }, > { > - .name = "Greyscale 10-bit (Y10 )", > .guid = UVC_GUID_FORMAT_INVI, > .fcc = V4L2_PIX_FMT_Y10, > }, > { > - .name = "IR:Depth 26-bit (INZI)", > .guid = UVC_GUID_FORMAT_INZI, > .fcc = V4L2_PIX_FMT_INZI, > }, > { > - .name = "4-bit Depth Confidence (Packed)", > .guid = UVC_GUID_FORMAT_CNF4, > .fcc = V4L2_PIX_FMT_CNF4, > }, > { > - .name = "HEVC", > .guid = UVC_GUID_FORMAT_HEVC, > .fcc = V4L2_PIX_FMT_HEVC, > }, > diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c > index 21e573e628f4e7..3f0a9795c0d45d 100644 > --- a/drivers/usb/gadget/function/uvc_v4l2.c > +++ b/drivers/usb/gadget/function/uvc_v4l2.c > @@ -374,15 +374,9 @@ uvc_v4l2_enum_format(struct file *file, void *fh, struct v4l2_fmtdesc *f) > if (!uformat) > return -EINVAL; > > - if (uformat->type != UVCG_UNCOMPRESSED) > - f->flags |= V4L2_FMT_FLAG_COMPRESSED; > - > fmtdesc = to_uvc_format(uformat); > f->pixelformat = fmtdesc->fcc; > > - strscpy(f->description, fmtdesc->name, sizeof(f->description)); > - f->description[strlen(fmtdesc->name) - 1] = 0; > - > return 0; > } > > diff --git a/include/linux/usb/uvc.h b/include/linux/usb/uvc.h > index b0210c5c5406b3..88d96095bcb163 100644 > --- a/include/linux/usb/uvc.h > +++ b/include/linux/usb/uvc.h > @@ -149,7 +149,6 @@ > 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} > > struct uvc_format_desc { > - char *name; > u8 guid[16]; > u32 fcc; > }; -- Regards, Laurent Pinchart