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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70643C4332F for ; Fri, 12 Nov 2021 14:28:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 513C260F39 for ; Fri, 12 Nov 2021 14:28:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235267AbhKLObS (ORCPT ); Fri, 12 Nov 2021 09:31:18 -0500 Received: from esa.microchip.iphmx.com ([68.232.154.123]:42697 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235115AbhKLObP (ORCPT ); Fri, 12 Nov 2021 09:31:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1636727304; x=1668263304; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=wAej8zbZ2Z8QMflPY6dkTpKKqPVWmjJ48/bava7RNWY=; b=gKnQeV9aRFywHeWzsB81h54V8Ye0ogGMbWVb3VHTy9i3Yd+DlkXdN33J gebeAUFEMhtCyumkLpXb2OvMYyAQseR2fazH1d4gRYexlZ4qbFf9EEBFh cyLTDqjcPStHREmybJPqSuSEHKttalOg36IdFLAN6wxZV1UXaWtzk85sW PQL9v1QEkvE/PWdaoMj+TuNEdawTpQZFmtl+GQVFN+L3/xy93v3MjJ8IN kOwHlpTkTu22BtubboPANtNEwI9PzVq+lMokg/B8QYqxA4b4g7iKp1AmA wkiZX1VQUyfCL3jk6FE6GYFkUD6hUcYEMGhWBDxtpAuh+aVPKcEWNjtko g==; IronPort-SDR: kKR1jIkMUswy5LjR428C11vw/budr0yksTSgvPdBPk4NQ/P3ZGKzeSVMhEcPhOsu7zu2qEF/XL 9uDLFxyE+g7zm+Pig2QWyR98GS10m7W3QtvuTu5Hi+N1XcqufjnpCnRTaEtfJaTpk4N9IdGZHJ LfehFGgnBgruRy5fBMOvH7owTXOh7Uq2LHdN2jmU5T+Qomasrys2oTJUoA3xhEN6wCsgh0HB9U BMUHJ3+nriyqnueJ6dti7nZM2LwGP/P2iRV8res0ie8Rg7D95IFDPtzVcyXU4ZWcMUn4MKvSkR UBZrk3sKlSFoMHw62I4AEUc6 X-IronPort-AV: E=Sophos;i="5.87,229,1631602800"; d="scan'208";a="138947645" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 12 Nov 2021 07:28:24 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Fri, 12 Nov 2021 07:28:23 -0700 Received: from ROB-ULT-M18282.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2176.14 via Frontend Transport; Fri, 12 Nov 2021 07:28:17 -0700 From: Eugen Hristev To: CC: , , , , , , , Eugen Hristev Subject: [PATCH v2 11/25] media: atmel: atmel-isc-base: implement mbus_code support in enumfmt Date: Fri, 12 Nov 2021 16:24:55 +0200 Message-ID: <20211112142509.2230884-12-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211112142509.2230884-1-eugen.hristev@microchip.com> References: <20211112142509.2230884-1-eugen.hristev@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If enumfmt is called with an mbus_code, the enumfmt handler should only return the formats that are supported for this mbus_code. To make it more easy to understand the formats, changed the report order to report first the native formats, and after that the formats that the ISC can convert to. Signed-off-by: Eugen Hristev --- drivers/media/platform/atmel/atmel-isc-base.c | 51 ++++++++++++++++--- 1 file changed, 43 insertions(+), 8 deletions(-) diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c index bf638d201b29..2cb8446ff90c 100644 --- a/drivers/media/platform/atmel/atmel-isc-base.c +++ b/drivers/media/platform/atmel/atmel-isc-base.c @@ -498,21 +498,56 @@ static int isc_enum_fmt_vid_cap(struct file *file, void *priv, u32 index = f->index; u32 i, supported_index; - if (index < isc->controller_formats_size) { - f->pixelformat = isc->controller_formats[index].fourcc; - return 0; + supported_index = 0; + + for (i = 0; i < isc->formats_list_size; i++) { + if (!isc->formats_list[i].sd_support) + continue; + /* + * If specific mbus_code is requested, provide only + * supported formats with this mbus code + */ + if (f->mbus_code && f->mbus_code != + isc->formats_list[i].mbus_code) + continue; + if (supported_index == index) { + f->pixelformat = isc->formats_list[i].fourcc; + return 0; + } + supported_index++; } - index -= isc->controller_formats_size; + /* + * If the sensor does not support this mbus_code whatsoever, + * there is no reason to advertise any of our output formats + */ + if (supported_index == 0) + return -EINVAL; + + /* + * If the sensor uses a format that is not raw, then we cannot + * convert it to any of the formats that we usually can with a + * RAW sensor. Thus, do not advertise them. + */ + if (!isc->config.sd_format || + !ISC_IS_FORMAT_RAW(isc->config.sd_format->mbus_code)) + return -EINVAL; + /* + * Iterate again through the formats that we can convert to. + * However, to avoid duplicates, skip the formats that + * the sensor already supports directly + */ + index -= supported_index; supported_index = 0; - for (i = 0; i < isc->formats_list_size; i++) { - if (!ISC_IS_FORMAT_RAW(isc->formats_list[i].mbus_code) || - !isc->formats_list[i].sd_support) + for (i = 0; i < isc->controller_formats_size; i++) { + /* if this format is already supported by sensor, skip it */ + if (find_format_by_fourcc(isc, isc->controller_formats[i].fourcc)) continue; if (supported_index == index) { - f->pixelformat = isc->formats_list[i].fourcc; + f->pixelformat = + isc->controller_formats[i].fourcc; return 0; } supported_index++; -- 2.25.1