From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eduardo Valentin Subject: [PATCH 29/50] staging: omap-thermal: document omap_bandgap_add_hyst function Date: Fri, 15 Mar 2013 09:00:17 -0400 Message-ID: <1363352438-15935-30-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 Return-path: In-Reply-To: <1363352438-15935-1-git-send-email-eduardo.valentin@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: gregkh@linuxfoundation.org Cc: devel@driverdev.osuosl.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Eduardo Valentin List-Id: linux-pm@vger.kernel.org Document function to handle hysteresis. Signed-off-by: Eduardo Valentin --- drivers/staging/omap-thermal/omap-bandgap.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c index 7b10d18..bff4b75 100644 --- a/drivers/staging/omap-thermal/omap-bandgap.c +++ b/drivers/staging/omap-thermal/omap-bandgap.c @@ -303,6 +303,16 @@ exit: return ret; } +/** + * omap_bandgap_add_hyst() - add hysteresis (in mCelsius) to an ADC value + * @bg_ptr: struct omap_bandgap pointer + * @adc_val: temperature value in ADC representation + * @hyst_val: hysteresis value in mCelsius + * @sum: address where to write the resulting temperature (in ADC scale) + * + * Adds an hysteresis value (in mCelsius) to a ADC temperature value. + * Returns 0 on success, -ERANGE otherwise. + */ static int omap_bandgap_add_hyst(struct omap_bandgap *bg_ptr, int adc_val, int hyst_val, u32 *sum) -- 1.7.7.1.488.ge8e1c