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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50879C43381 for ; Fri, 15 Feb 2019 07:10:49 +0000 (UTC) Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 100992064C for ; Fri, 15 Feb 2019 07:10:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="vd4FV3C5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 100992064C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mailbox.org Authentication-Results: mail.kernel.org; spf=fail smtp.mailfrom=kernelnewbies-bounces+kernelnewbies=archiver.kernel.org@kernelnewbies.org Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.91) (envelope-from ) id 1guXdd-0005f8-32 for kernelnewbies@archiver.kernel.org; Fri, 15 Feb 2019 02:10:21 -0500 Received: from mx2a.mailbox.org ([2001:67c:2050:104:0:2:25:2] helo=mx2.mailbox.org) by shelob.surriel.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91) (envelope-from ) id 1guXZ1-0003R2-BL for kernelnewbies@kernelnewbies.org; Fri, 15 Feb 2019 02:05:35 -0500 Received: from smtp2.mailbox.org (smtp2.mailbox.org [IPv6:2001:67c:2050:105:465:1:2:0]) (using TLSv1.2 with cipher ECDHE-RSA-CHACHA20-POLY1305 (256/256 bits)) (No client certificate requested) by mx2.mailbox.org (Postfix) with ESMTPS id 20F67A13BC; Fri, 15 Feb 2019 08:05:31 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mailbox.org; h= in-reply-to:content-disposition:content-type:content-type :mime-version:references:message-id:subject:subject:from:from :date:date:received; s=mail20150812; t=1550214321; bh=mmwO5B3Em+ yykH3Qt+xKyBvkd79j+B4KV2p4JqeaS0k=; b=vd4FV3C5/cnjfHPnwicb6ZGmDL Rifq3VcXy5tPJdOMjy5qPSl/5pWpEg9j9m1fe+MTaUj3PhzVkLKcsYbSaooRkPiX YUeUlT6+F/GeMOX+InZCxR8zuKW6d2YiHXgBkvYRRzqWA22+OOpfoxI4Y00XSDE0 DbKpMlCyNVrXlaUHPHWjA5LCIgh88tTC/y78+XwfxjSWzHgqSSqgrw/SRCnEd6Xu SMwZMn8zn1JZ7YqyxcuBz131qamijLG+8Edz2ouwn3MLNMOq6vwX7chKMWWg+ZCr jimlAngAqnIe7adq08zn1HXX0NkUjePgmNEfuJ0EFe666rK4K67cfxPSxmhA== X-Virus-Scanned: amavisd-new at heinlein-support.de Received: from smtp2.mailbox.org ([80.241.60.241]) by spamfilter02.heinlein-hosting.de (spamfilter02.heinlein-hosting.de [80.241.56.116]) (amavisd-new, port 10030) with ESMTP id uKnsNogf0n-j; Fri, 15 Feb 2019 08:05:21 +0100 (CET) Date: Fri, 15 Feb 2019 08:05:12 +0100 From: bobaoett@mailbox.org To: Jeffrey Walton Subject: Re: Configuring a Conexant USB modem Message-ID: <20190215070512.uqpecsyxfp6743bk@bangbang> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Cc: kernelnewbies X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kernelnewbies-bounces+kernelnewbies=archiver.kernel.org@kernelnewbies.org Hallo Jeffrey, On Thu, Feb 14, 2019 at 02:06:35PM -0500, Jeffrey Walton wrote: > Hi Everyone, > > I'm having trouble using a USB modem. It is a Conexant modem but it is > not responding to AT commands. Sample code is at > https://pastebin.com/84YUn9ey . > > I think the first thing I need to do is verify the kernel > configuration for the device. For that: > > $ sudo setserial -a /dev/ttyACM0 > /dev/ttyACM0, Line 0, UART: unknown, Port: 0x0000, IRQ: 0 > Baud_base: 115200, close_delay: 12, divisor: 0 > closing_wait: 750 > Flags: spd_normal > > At this point I think I need to read some kernel docs. I'm not sure if > I should be in https://www.kernel.org/doc/Documentation/serial or > https://www.kernel.org/doc/Documentation/usb . Looking through the > pages nothing jumps out as specific to the Conexant. Maybe these could be interesting? https://www.kernel.org/doc/Documentation/usb/acm.txt https://www.kernel.org/doc/Documentation/usb/gadget_serial.txt > > Can someone suggest what my next steps are to verify the modem's > configuration with respect to the kernel and driver? > > Thanks in advance. Best regards, Thorsten > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@kernelnewbies.org > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies