diff options
Diffstat (limited to 'drivers/net/phy/dp83867.c')
-rw-r--r-- | drivers/net/phy/dp83867.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index 5f08f9d38b..4120385c5a 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -158,6 +158,7 @@ /* LED_DRV bits */ #define DP83867_LED_DRV_EN(x) BIT((x) * 4) #define DP83867_LED_DRV_VAL(x) BIT((x) * 4 + 1) +#define DP83867_LED_POLARITY(x) BIT((x) * 4 + 2) #define DP83867_LED_FN(idx, val) (((val) & 0xf) << ((idx) * 4)) #define DP83867_LED_FN_MASK(idx) (0xf << ((idx) * 4)) @@ -1152,6 +1153,26 @@ static int dp83867_led_hw_control_get(struct phy_device *phydev, u8 index, return 0; } +static int dp83867_led_polarity_set(struct phy_device *phydev, int index, + unsigned long modes) +{ + /* Default active high */ + u16 polarity = DP83867_LED_POLARITY(index); + u32 mode; + + for_each_set_bit(mode, &modes, __PHY_LED_MODES_NUM) { + switch (mode) { + case PHY_LED_ACTIVE_LOW: + polarity = 0; + break; + default: + return -EINVAL; + } + } + return phy_modify(phydev, DP83867_LEDCR2, + DP83867_LED_POLARITY(index), polarity); +} + static struct phy_driver dp83867_driver[] = { { .phy_id = DP83867_PHY_ID, @@ -1184,6 +1205,7 @@ static struct phy_driver dp83867_driver[] = { .led_hw_is_supported = dp83867_led_hw_is_supported, .led_hw_control_set = dp83867_led_hw_control_set, .led_hw_control_get = dp83867_led_hw_control_get, + .led_polarity_set = dp83867_led_polarity_set, }, }; module_phy_driver(dp83867_driver); |