From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754131AbbATMUf (ORCPT ); Tue, 20 Jan 2015 07:20:35 -0500 Received: from mail-ie0-f175.google.com ([209.85.223.175]:44023 "EHLO mail-ie0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752940AbbATMUd (ORCPT ); Tue, 20 Jan 2015 07:20:33 -0500 Date: Tue, 20 Jan 2015 12:20:27 +0000 From: Lee Jones To: Inha Song Cc: broonie@kernel.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, sameo@linux.intel.com, ckeepax@opensource.wolfsonmicro.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com Subject: Re: [alsa-devel] [PATCH v2 RESEND 1/2] mfd: arizona: Add support for OUTn_MONO register control Message-ID: <20150120122027.GB13701@x1> References: <1420185829-24886-1-git-send-email-ideal.song@samsung.com> <1420185829-24886-2-git-send-email-ideal.song@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1420185829-24886-2-git-send-email-ideal.song@samsung.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DT Ack (for this and the doc) required. > Some boards need to set the OUTn_MONO register to configurates > the output signal path as a mono differential output. This > wlf,out-mono property is optional. If present, values must be > specified less than or equal to the number of output signals. > If values less than the number of output signals, elements > that has not been specified are set to 0 by default. > > Example: > - wlf,out-mono = <1 0 1>; /* set OUT1,OUT3 to mono differential */ > > Signed-off-by: Inha Song > --- > drivers/mfd/arizona-core.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c > index bce7c07..cc2927d 100644 > --- a/drivers/mfd/arizona-core.c > +++ b/drivers/mfd/arizona-core.c > @@ -561,6 +561,16 @@ static int arizona_of_get_core_pdata(struct arizona *arizona) > count++; > } > > + count = 0; > + of_property_for_each_u32(arizona->dev->of_node, > + "wlf,out-mono", prop, cur, val) { > + if (count >= ARRAY_SIZE(arizona->pdata.out_mono)) > + break; > + > + arizona->pdata.out_mono[count] = !!val; > + count++; > + } > + > return 0; > } > -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog