From patchwork Fri Mar 15 13:00:27 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Valentin X-Patchwork-Id: 2277191 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 9203D3FC8A for ; Fri, 15 Mar 2013 13:16:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754736Ab3CONP1 (ORCPT ); Fri, 15 Mar 2013 09:15:27 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:50542 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754384Ab3CONP0 (ORCPT ); Fri, 15 Mar 2013 09:15:26 -0400 Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id r2FDFOiA022337; Fri, 15 Mar 2013 08:15:24 -0500 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id r2FDFO5V016055; Fri, 15 Mar 2013 08:15:24 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.2.342.3; Fri, 15 Mar 2013 08:15:23 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id r2FDFNTi004458; Fri, 15 Mar 2013 08:15:23 -0500 Received: from localhost (h64-13.vpn.ti.com [172.24.64.13]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id r2FDFKV10524; Fri, 15 Mar 2013 08:15:20 -0500 (CDT) From: Eduardo Valentin To: CC: , , , , Eduardo Valentin Subject: [PATCH 39/50] staging: omap-thermal: document omap_bandgap_update_alert_threshold function Date: Fri, 15 Mar 2013 09:00:27 -0400 Message-ID: <1363352438-15935-40-git-send-email-eduardo.valentin@ti.com> X-Mailer: git-send-email 1.7.7.1.488.ge8e1c In-Reply-To: <1363352438-15935-1-git-send-email-eduardo.valentin@ti.com> References: <1363352438-15935-1-git-send-email-eduardo.valentin@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Document function to program alert thresholds Signed-off-by: Eduardo Valentin --- drivers/staging/omap-thermal/omap-bandgap.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c index 065f371..0eb21b3 100644 --- a/drivers/staging/omap-thermal/omap-bandgap.c +++ b/drivers/staging/omap-thermal/omap-bandgap.c @@ -370,6 +370,20 @@ static void omap_bandgap_unmask_interrupts(struct omap_bandgap *bg_ptr, int id, omap_bandgap_writel(bg_ptr, reg_val, tsr->bgap_mask_ctrl); } +/** + * omap_bandgap_update_alert_threshold() - sequence to update thresholds + * @bg_ptr: struct omap_bandgap pointer + * @id: bandgap sensor id + * @val: value (ADC) of a new threshold + * @hot: desired threshold to be updated. true if threshold hot, false if + * threshold cold + * + * It will program the required thresholds (hot and cold) for TALERT signal. + * This function can be used to update t_hot or t_cold, depending on @hot value. + * It checks the resulting t_hot and t_cold values, based on the new passed @val + * and configures the thresholds so that t_hot is always greater than t_cold. + * Call this function only if bandgap features HAS(TALERT). + */ static int omap_bandgap_update_alert_threshold(struct omap_bandgap *bg_ptr, int id, int val, bool hot)