From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarkko Nikula Subject: Re: [PATCH RESEND] ARM: dts: OMAP3-N900: Add microphone bias voltages Date: Mon, 30 Mar 2015 19:30:10 +0300 Message-ID: <55197A12.1050009@bitmer.com> References: <1425236828-28349-1-git-send-email-jarkko.nikula@bitmer.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1425236828-28349-1-git-send-email-jarkko.nikula@bitmer.com> Sender: linux-omap-owner@vger.kernel.org To: devicetree@vger.kernel.org Cc: linux-omap@vger.kernel.org, =?windows-1252?Q?Beno=EEt_Cousson?= , Tony Lindgren , Pavel Machek List-Id: devicetree@vger.kernel.org On 03/01/2015 09:07 PM, Jarkko Nikula wrote: > From: Pavel Machek > > N900 audio recording needs that codec provides bias voltage for integrated > digital microphone and headset microphone depending which one is used. > Digital microphone uses 2 V bias and it comes from the codec A part. Codec > B part drives the headset microphone bias and that is set to 2.5 V. > > Signed-off-by: Pavel Machek > [Jarkko: Headset mic bias changed to 2 (2.5 V) as it was before commit > e2e8bfdf6157 ("ASoC: tlv320aic3x: Convert mic bias to a supply widget")] > Signed-off-by: Jarkko Nikula > --- > arch/arm/boot/dts/omap3-n900.dts | 4 ++++ > 1 file changed, 4 insertions(+) > Ping? -- Jarkko