diff options
| -rw-r--r-- | drivers/staging/omap-thermal/omap-bandgap.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c index f2ebbcf4facd..3150ec25dc6a 100644 --- a/drivers/staging/omap-thermal/omap-bandgap.c +++ b/drivers/staging/omap-thermal/omap-bandgap.c @@ -842,7 +842,17 @@ static int omap_bandgap_tshut_init(struct omap_bandgap *bg_ptr, return 0; } -/* Initialization of Talert. Call it only if HAS(TALERT) is set */ +/** + * omap_bandgap_alert_init() - setup and initialize talert handling + * @bg_ptr: pointer to struct omap_bandgap + * @pdev: pointer to device struct platform_device + * + * Call this function only in case the bandgap features HAS(TALERT). + * In this case, the driver needs to handle the TALERT signals as an IRQs. + * TALERT is a normal IRQ and it is fired any time thresholds (hot or cold) + * are violated. In these situation, the driver must reprogram the thresholds, + * accordingly to specified policy. + */ static int omap_bandgap_talert_init(struct omap_bandgap *bg_ptr, struct platform_device *pdev) { |