From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755194Ab3CONP3 (ORCPT ); Fri, 15 Mar 2013 09:15:29 -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 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 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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) -- 1.7.7.1.488.ge8e1c