| From | Eduardo Valentin <> | Subject | [PATCH 13/50] staging: omap-thermal: update documentation for talert irq handler | Date | Fri, 15 Mar 2013 09:00:01 -0400 |
| |
Document the Talert IRQ handler.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> --- 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 1906ef1..aa60b7b 100644 --- a/drivers/staging/omap-thermal/omap-bandgap.c +++ b/drivers/staging/omap-thermal/omap-bandgap.c @@ -146,7 +146,17 @@ static u32 omap_bandgap_read_temp(struct omap_bandgap *bg_ptr, int id) return temp; } -/* This is the Talert handler. Call it only if HAS(TALERT) is set */ +/** + * omap_bandgap_talert_irq_handler() - handles Temperature alert IRQs + * @irq: IRQ number + * @data: private data (struct omap_bandgap *) + * + * This is the Talert handler. Use it only if bandgap device features + * HAS(TALERT). This handler goes over all sensors and checks their + * conditions and acts accordingly. In case there are events pending, + * it will reset the event mask to wait for the opposite event (next event). + * Every time there is a new event, it will be reported to thermal layer. + */ static irqreturn_t omap_bandgap_talert_irq_handler(int irq, void *data) { struct omap_bandgap *bg_ptr = data; -- 1.7.7.1.488.ge8e1c
|