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drivers: led: bcm6858: set the correct led polarity register

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This change sets the output (hardware) polarity register instead of the
input (software) polarity register for the bcm6858 LED controller.  The
logic was inverted (a LED configued active high behaved as active low).

Signed-off-by: Steven Lawrance <steven.lawrance@softathome.com>
Reviewed-by: Philippe Reynes <philippe.reynes@softathome.com>
This commit is contained in:
Steven Lawrance 2020-10-29 18:27:34 +01:00 committed by Tom Rini
parent c904a0b762
commit e04072536e
1 changed files with 4 additions and 4 deletions
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8
drivers/led/led_bcm6858.c
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@ -40,8 +40,8 @@
#define LED_FLASH_RATE_CONTROL_REG0 0x10
/* Soft LED input register */
#define LED_SW_LED_IP_REG 0xb8
/* Soft LED input polarity register */
#define LED_SW_LED_IP_PPOL_REG 0xbc
/* Parallel LED Output Polarity Register */
#define LED_PLED_OP_PPOL_REG 0xc0
struct bcm6858_led_priv {
void __iomem *regs;
@ -198,9 +198,9 @@ static int bcm6858_led_probe(struct udevice *dev)
/* configure the polarity */
if (dev_read_bool(dev, "active-low"))
clrbits_32(regs + LED_SW_LED_IP_PPOL_REG, 1 << pin);
clrbits_32(regs + LED_PLED_OP_PPOL_REG, 1 << pin);
else
setbits_32(regs + LED_SW_LED_IP_PPOL_REG, 1 << pin);
setbits_32(regs + LED_PLED_OP_PPOL_REG, 1 << pin);
}
return 0;