counter: microchip-tcb-capture: Fix the use of internal GCLK logic

commit df8fdd0 upstream.

As per the datasheet, the clock selection Bits 2:0 – TCCLKS[2:0] should
be set to 0 while using the internal GCLK (TIMER_CLOCK1).

Fixes: 106b104 ("counter: Add microchip TCB capture counter")
Signed-off-by: Dharma Balasubiramani <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: William Breathitt Gray <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Dharma-B

drivers/counter/microchip-tcb-capture.c

@@ -111,7 +111,7 @@ static int mchp_tc_count_function_set(struct counter_device *counter,
 		priv->qdec_mode = 0;
 		/* Set highest rate based on whether soc has gclk or not */
 		bmr &= ~(ATMEL_TC_QDEN | ATMEL_TC_POSEN);
-		if (priv->tc_cfg->has_gclk)
+		if (!priv->tc_cfg->has_gclk)
 			cmr |= ATMEL_TC_TIMER_CLOCK2;
 		else
 			cmr |= ATMEL_TC_TIMER_CLOCK1;