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Commit 6f4a218c authored by Gregory Nutt's avatar Gregory Nutt
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Clean-up some comments

parent 2dc25d5f
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......@@ -94,15 +94,15 @@ struct sama5d4ek_tscinfo_s
* Private Function Prototypes
****************************************************************************/
/* IRQ/GPIO access callbacks. These operations all hidden behind
* callbacks to isolate the maXTouch driver from differences in GPIO
/* IRQ/PIO access callbacks. These operations all hidden behind
* callbacks to isolate the maXTouch driver from differences in PIO
* interrupt handling by varying boards and MCUs. If possible,
* interrupts should be configured on both rising and falling edges
* so that contact and loss-of-contact events can be detected.
*
* attach - Attach the maXTouch interrupt handler to the GPIO interrupt
* enable - Enable or disable the GPIO interrupt
* clear - Acknowledge/clear any pending GPIO interrupt
* attach - Attach the maXTouch interrupt handler to the PIO interrupt
* enable - Enable or disable the PIO interrupt
* clear - Acknowledge/clear any pending PIO interrupt
*/
static int mxt_attach(FAR const struct mxt_lower_s *lower, mxt_handler_t isr,
......@@ -141,15 +141,15 @@ static struct sama5d4ek_tscinfo_s g_mxtinfo =
****************************************************************************/
/****************************************************************************
* IRQ/GPIO access callbacks. These operations all hidden behind
* callbacks to isolate the maXTouch driver from differences in GPIO
* IRQ/PIO access callbacks. These operations all hidden behind
* callbacks to isolate the maXTouch driver from differences in PIO
* interrupt handling by varying boards and MCUs. If possible,
* interrupts should be configured on both rising and falling edges
* so that contact and loss-of-contact events can be detected.
*
* attach - Attach the maXTouch interrupt handler to the GPIO interrupt
* enable - Enable or disable the GPIO interrupt
* clear - Acknowledge/clear any pending GPIO interrupt
* attach - Attach the maXTouch interrupt handler to the PIO interrupt
* enable - Enable or disable the PIO interrupt
* clear - Acknowledge/clear any pending PIO interrupt
*
****************************************************************************/
......@@ -158,8 +158,8 @@ static int mxt_attach(FAR const struct mxt_lower_s *lower, mxt_handler_t isr,
{
if (isr)
{
/* Just save the address of the handler for now. The new handler will
* be attached when the interrupt is next enabled.
/* Just save the address of the handler and its argument for now. The
* new handler will called via mxt_interrupt() when the interrupt occurs.
*/
ivdbg("Attaching %p\n", isr);
......
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