From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161413Ab3BOMqV (ORCPT ); Fri, 15 Feb 2013 07:46:21 -0500 Received: from mail-wi0-f174.google.com ([209.85.212.174]:57716 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161374Ab3BOMqO (ORCPT ); Fri, 15 Feb 2013 07:46:14 -0500 From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: arnd@arndb.de, linus.walleij@stericsson.com, cbouatmailru@gmail.com, sameo@linux.intel.com, Rupesh Kumar , Lee Jones Subject: [PATCH 14/40] pm2301-charger: Die temp thermal protection Date: Fri, 15 Feb 2013 12:44:44 +0000 Message-Id: <1360932310-30065-15-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1360932310-30065-1-git-send-email-lee.jones@linaro.org> References: <1360932310-30065-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rupesh Kumar This patch adds support for die temperature thermal protection in pm2301 driver. Signed-off-by: Rupesh Kumar Signed-off-by: Lee Jones Reviewed-by: Hakan BERG Reviewed-by: Philippe LANGLAIS --- drivers/power/pm2301_charger.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/drivers/power/pm2301_charger.c b/drivers/power/pm2301_charger.c index 4cb8f7f..ec51026 100644 --- a/drivers/power/pm2301_charger.c +++ b/drivers/power/pm2301_charger.c @@ -876,7 +876,27 @@ static void pm2xxx_charger_check_hw_failure_work(struct work_struct *work) static void pm2xxx_charger_check_main_thermal_prot_work( struct work_struct *work) { -}; + int ret; + u8 val; + + struct pm2xxx_charger *pm2 = container_of(work, struct pm2xxx_charger, + check_main_thermal_prot_work); + + /* Check if die temp warning is still active */ + ret = pm2xxx_reg_read(pm2, PM2XXX_SRCE_REG_INT5, &val); + if (ret < 0) { + dev_err(pm2->dev, "%s pm2xxx read failed\n", __func__); + return; + } + if (val & (PM2XXX_INT5_S_ITTHERMALWARNINGRISE + | PM2XXX_INT5_S_ITTHERMALSHUTDOWNRISE)) + pm2->flags.main_thermal_prot = true; + else if (val & (PM2XXX_INT5_S_ITTHERMALWARNINGFALL + | PM2XXX_INT5_S_ITTHERMALSHUTDOWNFALL)) + pm2->flags.main_thermal_prot = false; + + power_supply_changed(&pm2->ac_chg.psy); +} static struct pm2xxx_interrupts pm2xxx_int = { .handler[0] = pm2_int_reg0, -- 1.7.10.4