From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by archive.lwn.net (Postfix) with ESMTP id 429187D04E for ; Sat, 30 May 2020 06:57:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729106AbgE3G5o (ORCPT ); Sat, 30 May 2020 02:57:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:44956 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728867AbgE3G4H (ORCPT ); Sat, 30 May 2020 02:56:07 -0400 Received: from mail.kernel.org (ip5f5ad5c5.dynamic.kabel-deutschland.de [95.90.213.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 73456221F7; Sat, 30 May 2020 06:56:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590821764; bh=LjjzFw3NkkZPnbm04q5U6LrJoSCasK1Q3wt7fXKXAI8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IsAVHSpi58wzneYQNrOeArq/niTH89/+xIrnsFYxM51I4qyEDP6ZyhZckSdSHun0B Gl6OYiffK47eTtkRjg3wnk5CwTIGzhKHjEPrxwlCapPaD/nVXuvJdAYUZ2oljlpWJZ 8Ba78sllRqe9Tcx/aLwImVnLmLNofGXdk6G/GJSA= Received: from mchehab by mail.kernel.org with local (Exim 4.93) (envelope-from ) id 1jevPW-001hr1-B7; Sat, 30 May 2020 08:56:02 +0200 From: Mauro Carvalho Chehab Cc: Mauro Carvalho Chehab , Sakari Ailus , Greg Kroah-Hartman , linux-media@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 37/41] media: atomisp: allow passing firmware name at modprobe time Date: Sat, 30 May 2020 08:55:54 +0200 Message-Id: X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Archived-At: List-Archive: List-Post: It can be useful to be able to test different firmware files at modprobe time, in order to be able to test different variants without much efforts. Signed-off-by: Mauro Carvalho Chehab --- .../staging/media/atomisp/pci/atomisp_v4l2.c | 30 ++++++++++++------- 1 file changed, 19 insertions(+), 11 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c index 891c990ab857..dea420a77f0a 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c +++ b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c @@ -95,6 +95,10 @@ int mipicsi_flag; module_param(mipicsi_flag, int, 0644); MODULE_PARM_DESC(mipicsi_flag, "mipi csi compression predictor algorithm"); +static char firmware_name[256]; +module_param_string(firmware_name, firmware_name, sizeof(firmware_name), 0); +MODULE_PARM_DESC(firmware_name, "Firmware file name. Allows overriding the default firmware name."); + /*set to 16x16 since this is the amount of lines and pixels the sensor exports extra. If these are kept at the 10x8 that they were on, in yuv downscaling modes incorrect resolutions where requested to the sensor @@ -1455,19 +1459,23 @@ atomisp_load_firmware(struct atomisp_device *isp) if (skip_fwload) return NULL; - if ((isp->media_dev.hw_revision >> ATOMISP_HW_REVISION_SHIFT) - == ATOMISP_HW_REVISION_ISP2401) - fw_path = "shisp_2401a0_v21.bin"; + if (firmware_name[0] != '\0') { + fw_path = firmware_name; + } else { + if ((isp->media_dev.hw_revision >> ATOMISP_HW_REVISION_SHIFT) + == ATOMISP_HW_REVISION_ISP2401) + fw_path = "shisp_2401a0_v21.bin"; - if (isp->media_dev.hw_revision == - ((ATOMISP_HW_REVISION_ISP2401_LEGACY << ATOMISP_HW_REVISION_SHIFT) - | ATOMISP_HW_STEPPING_A0)) - fw_path = "shisp_2401a0_legacy_v21.bin"; + if (isp->media_dev.hw_revision == + ((ATOMISP_HW_REVISION_ISP2401_LEGACY << ATOMISP_HW_REVISION_SHIFT) + | ATOMISP_HW_STEPPING_A0)) + fw_path = "shisp_2401a0_legacy_v21.bin"; - if (isp->media_dev.hw_revision == - ((ATOMISP_HW_REVISION_ISP2400 << ATOMISP_HW_REVISION_SHIFT) - | ATOMISP_HW_STEPPING_B0)) - fw_path = "shisp_2400b0_v21.bin"; + if (isp->media_dev.hw_revision == + ((ATOMISP_HW_REVISION_ISP2400 << ATOMISP_HW_REVISION_SHIFT) + | ATOMISP_HW_STEPPING_B0)) + fw_path = "shisp_2400b0_v21.bin"; + } if (!fw_path) { dev_err(isp->dev, "Unsupported hw_revision 0x%x\n", -- 2.26.2