From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarkko Nikula Subject: [PATCH 2/2] omap: rx51: Don't power up speaker amplifier at bootup Date: Thu, 12 May 2011 14:30:58 +0300 Message-ID: <1305199858-32643-2-git-send-email-jhnikula@gmail.com> References: <1305199858-32643-1-git-send-email-jhnikula@gmail.com> Return-path: Received: from mail-ew0-f46.google.com ([209.85.215.46]:42821 "EHLO mail-ew0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754752Ab1ELLaH (ORCPT ); Thu, 12 May 2011 07:30:07 -0400 Received: by mail-ew0-f46.google.com with SMTP id 4so389368ewy.19 for ; Thu, 12 May 2011 04:30:06 -0700 (PDT) In-Reply-To: <1305199858-32643-1-git-send-email-jhnikula@gmail.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Tony Lindgren , Jarkko Nikula , Kalle Jokiniemi Speaker amplifier is accidentally powered up in early TWL gpio setup. This causes a few mA of needless battery current consumption. Without this patch the amplifier can be shutdown only by having one active audio playback and shutdown cycle to speaker output. Thanks to Kalle Jokiniemi for noticing the issue. Signed-off-by: Jarkko Nikula Cc: Kalle Jokiniemi --- arch/arm/mach-omap2/board-rx51-peripherals.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index 8242e99..0374562 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -561,7 +561,7 @@ static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n) gpio_request(gpio + 6, "backlight_pwm"); gpio_direction_output(gpio + 6, 0); gpio_request(gpio + 7, "speaker_en"); - gpio_direction_output(gpio + 7, 1); + gpio_direction_output(gpio + 7, 0); return 0; } -- 1.7.4.4