From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932153Ab1D3M3k (ORCPT ); Sat, 30 Apr 2011 08:29:40 -0400 Received: from mtaout02-winn.ispmail.ntl.com ([81.103.221.48]:25820 "EHLO mtaout02-winn.ispmail.ntl.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756451Ab1D3M3S (ORCPT ); Sat, 30 Apr 2011 08:29:18 -0400 From: Daniel Drake To: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org Cc: linux-kernel@vger.kernel.org, dilinger@queued.net, Daniel Drake Subject: [PATCH 09/11] x86, olpc-xo1-sci: Propagate power supply/battery events Date: Sat, 30 Apr 2011 13:32:28 +0100 Message-Id: <1304166750-31125-10-git-send-email-dsd@laptop.org> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1304166750-31125-1-git-send-email-dsd@laptop.org> References: <1304166750-31125-1-git-send-email-dsd@laptop.org> X-Cloudmark-Analysis: v=1.1 cv=R50lirqlHffDPPkwUlkuVa99MrvKdVWo//yz83qex8g= c=1 sm=0 a=tF_dHZQtmUkA:10 a=vJ1w_8FsMGIA:10 a=Op-mwl0xAAAA:8 a=2e74Odasz0AQKh-OockA:9 a=1I14ou8UWFxVnzBcOi0A:7 a=d4CUUju0HPYA:10 a=HpAAvcLHHh0Zw7uRqdWCyQ==:117 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org EC events indicate change in AC power connectivity, battery state of charge, battery error, battery presence, etc. Send notifications to the power supply subsystem when changes are detected. Signed-off-by: Daniel Drake --- arch/x86/Kconfig | 4 ++- arch/x86/platform/olpc/olpc-xo1-sci.c | 37 +++++++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+), 1 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c40cd82..583e1c5 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2074,13 +2074,15 @@ config OLPC_XO1_PM config OLPC_XO1_SCI bool "OLPC XO-1 SCI extras" - depends on OLPC && OLPC_XO1_PM + depends on OLPC && OLPC_XO1_PM && POWER_SUPPLY ---help--- Add support for SCI-based features of the OLPC XO-1 laptop: - EC-driven system wakeups - Power button - Ebook switch - Lid switch + - AC adapter status updates + - Battery status updates endif # X86_32 diff --git a/arch/x86/platform/olpc/olpc-xo1-sci.c b/arch/x86/platform/olpc/olpc-xo1-sci.c index 176e4ae..1cd800e 100644 --- a/arch/x86/platform/olpc/olpc-xo1-sci.c +++ b/arch/x86/platform/olpc/olpc-xo1-sci.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include @@ -52,6 +53,26 @@ static const char * const lid_wake_mode_names[] = { [LID_WAKE_CLOSE] = "close", }; +static void battery_status_changed(void) +{ + struct power_supply *psy = power_supply_get_by_name("olpc-battery"); + + if (psy) { + power_supply_changed(psy); + put_device(psy->dev); + } +} + +static void ac_status_changed(void) +{ + struct power_supply *psy = power_supply_get_by_name("olpc-ac"); + + if (psy) { + power_supply_changed(psy); + put_device(psy->dev); + } +} + /* Report current ebook switch state through input layer */ static void send_ebook_state(void) { @@ -151,6 +172,18 @@ static void process_sci_queue(bool propagate_events) pr_debug(PFX "SCI 0x%x received\n", data); + switch (data) { + case EC_SCI_SRC_BATERR: + case EC_SCI_SRC_BATSOC: + case EC_SCI_SRC_BATTERY: + case EC_SCI_SRC_BATCRIT: + battery_status_changed(); + break; + case EC_SCI_SRC_ACPWR: + ac_status_changed(); + break; + } + if (data == EC_SCI_SRC_EBOOK && propagate_events) send_ebook_state(); } while (data); @@ -240,6 +273,10 @@ static int xo1_sci_resume(struct platform_device *pdev) /* Enable all EC events */ olpc_ec_mask_write(EC_SCI_SRC_ALL); + + /* Power/battery status might have changed too */ + battery_status_changed(); + ac_status_changed(); return 0; } -- 1.7.4.4