From: Eduardo Valentin Date: Fri, 15 Mar 2013 13:00:27 +0000 (-0400) Subject: staging: omap-thermal: document omap_bandgap_update_alert_threshold function X-Git-Tag: firefly_0821_release~3680^2~674^2~606 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=38d99e807b0c555e768c60c3ff11fe7e3b2e9418;p=firefly-linux-kernel-4.4.55.git staging: omap-thermal: document omap_bandgap_update_alert_threshold function Document function to program alert thresholds Signed-off-by: Eduardo Valentin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c index 065f3716c540..0eb21b330415 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)