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[209.132.180.67]) by mx.google.com with ESMTP id m185si5108421pfc.396.2018.03.29.15.00.07; Thu, 29 Mar 2018 15:00:21 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751187AbeC2V6r (ORCPT + 99 others); Thu, 29 Mar 2018 17:58:47 -0400 Received: from muru.com ([72.249.23.125]:34494 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751124AbeC2V6p (ORCPT ); Thu, 29 Mar 2018 17:58:45 -0400 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 7F6AC80BD; Thu, 29 Mar 2018 22:00:02 +0000 (UTC) Date: Thu, 29 Mar 2018 14:58:40 -0700 From: Tony Lindgren To: Pavel Machek Cc: Sebastian Reichel , Mark Brown , Liam Girdwood , Rob Herring , Lee Jones , Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org, linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@collabora.com, Dan Williams Subject: Re: omap4-droid4: voice call support was Re: [PATCHv5,5/5] ARM: dts: omap4-droid4: add soundcard Message-ID: <20180329215840.GT5700@atomide.com> References: <20180326141638.GB1450@amd> <20180326155828.ttnduivadob4iqmd@earth.universe> <20180327121441.GH29239@sirena.org.uk> <20180327222237.wcx2aqznvdrvbaa5@earth.universe> <20180328022910.GM29239@sirena.org.uk> <20180328140219.f6667up5evrrafkv@earth.universe> <20180329014507.GM5700@atomide.com> <20180329160828.GA14007@amd> <20180329163450.GQ5700@atomide.com> <20180329180541.GA26545@amd> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180329180541.GA26545@amd> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Pavel Machek [180329 18:07]: > On Thu 2018-03-29 09:34:50, Tony Lindgren wrote: > > * Pavel Machek [180329 16:09]: > > > > Then using the n_gsm ts 27.010 uart mux, I dial: > > > > > > > > ./ngsm-rw 1 "AT+CFUN=1" # connect to network > > > > U0001+CFUN:OK > > > > ./ngsm-rw 2 "AT+CMUT=0" # unmute speaker over ch2, do this over qmi? > > > > U0001+CMUT:OK > > > > ./ngsm-rw 1 "ATD#123" # dial number > > > > U0001D:OK > > > > > > > > And I do hear a voice talking over the speakerphone :) Sorry have not tested the > > > > mic yet.. > > > > > > Hehe, ok, that's fun! I don't need +CMUT=0. It gave me error but then > > > the call worked, anyway... (I'm working with ttyUSB4). > > > > Oh interesting. So maybe Android is doing AT+CMUT=0 for some other > > modems and it's not really needed? Or you have settings preserved > > from warm boot from Android? > > No idea. But I booted from recovery, and I had to power up modem using > +CFUN... > > > I did not have any luck with ttyUSB4 last night. Did you dial with > > ATD123; or ATD123? So is the semicolon really needed? > > > > AT+CFUN=1 > OK > ATD800123456 > NO CARRIER > ATD800123456; > OK > > I seem to need semicolon. And yes, I tried again after the call. Still > says no carrier. OK thanks for confirming that. > Hmm. And when calling test number, the modem failed: > > > [ 438.236755] Somebody do a proper driver please cpcap_soc_work > [ 495.496032] phy-mapphone-mdm6600 usb-phy@1: modem status: 0 off > [ 499.406005] phy-mapphone-mdm6600 usb-phy@1: modem status: 0 off > [ 499.407318] usb 2-1: USB disconnect, device number 2 > [ 499.424926] qcserial ttyUSB0: Qualcomm USB modem converter now > disconnected from ttyUSB0 > [ 499.434112] qcserial 2-1:1.0: device disconnected > [ 499.443389] qcserial ttyUSB1: Qualcomm USB modem converter now > disconnected from ttyUSB1 > [ 499.451904] qcserial 2-1:1.1: device disconnected > [ 499.460968] qcserial ttyUSB2: Qualcomm USB modem converter now > disconnected from ttyUSB2 > [ 499.469512] qcserial 2-1:1.2: device disconnected > [ 499.478057] qcserial ttyUSB3: Qualcomm USB modem converter now > disconnected from ttyUSB3 > [ 499.486572] qcserial 2-1:1.3: device disconnected > [ 499.504760] qcserial ttyUSB4: Qualcomm USB modem converter now > disconnected from ttyUSB4 > [ 499.513244] qcserial 2-1:1.4: device disconnected > [ 499.519104] qmi_wwan 2-1:1.5 wwan0: unregister 'qmi_wwan' > usb-4a064800.ohci-1, WWAN/QMI device > [ 499.611511] qmi_wwan 2-1:1.6 wwan1: unregister 'qmi_wwan' > usb-4a064800.ohci-1, WWAN/QMI device > [ 499.676086] Somebody do a proper driver please cpcap_soc_work > [ 499.688323] qmi_wwan 2-1:1.7 wwan2: unregister 'qmi_wwan' > usb-4a064800.ohci-1, WWAN/QMI device > [ 499.768859] qmi_wwan 2-1:1.8 wwan3: unregister 'qmi_wwan' > usb-4a064800.ohci-1, WWAN/QMI device > > That one will be fun to debug, I'm afraid. (Or does the message at > 495.496032 mean that we turned it off?) Looks like mdm6600 either entered low-power mode, or hung? If it hung, it's internal watchdog might bring it back after a while. If it entered low-power mode, in theory we should see the state change interrupt that's handled by phy-mapphone-mdm6600.c. I never managed to do that so far so maybe you figured it out with some command. Regards, Tony