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wifi: rtl8xxxu: Add LED control code for RTL8188EU

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By default the LED will blink when there is some activity.

This was tested with a TP-Link TL-WN725N.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/34d62bf5-3595-0c77-2ca7-be78555f765d@gmail.com
This commit is contained in:
Bitterblue Smith 2023-01-20 17:52:40 +02:00 committed by Kalle Valo
parent 3be0162299
commit 873b381172
2 changed files with 29 additions and 0 deletions
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25
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
View File

@ -1350,6 +1350,30 @@ static s8 rtl8188e_cck_rssi(struct rtl8xxxu_priv *priv, u8 cck_agc_rpt)
return rx_pwr_all;
}
static int rtl8188eu_led_brightness_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
struct rtl8xxxu_priv *priv = container_of(led_cdev,
struct rtl8xxxu_priv,
led_cdev);
u8 ledcfg = rtl8xxxu_read8(priv, REG_LEDCFG2);
if (brightness == LED_OFF) {
ledcfg &= ~LEDCFG2_HW_LED_CONTROL;
ledcfg |= LEDCFG2_SW_LED_CONTROL | LEDCFG2_SW_LED_DISABLE;
} else if (brightness == LED_ON) {
ledcfg &= ~(LEDCFG2_HW_LED_CONTROL | LEDCFG2_SW_LED_DISABLE);
ledcfg |= LEDCFG2_SW_LED_CONTROL;
} else if (brightness == RTL8XXXU_HW_LED_CONTROL) {
ledcfg &= ~LEDCFG2_SW_LED_DISABLE;
ledcfg |= LEDCFG2_HW_LED_CONTROL | LEDCFG2_HW_LED_ENABLE;
}
rtl8xxxu_write8(priv, REG_LEDCFG2, ledcfg);
return 0;
}
static void rtl8188e_set_tx_rpt_timing(struct rtl8xxxu_ra_info *ra, u8 timing)
{
u8 idx;
@ -1851,6 +1875,7 @@ struct rtl8xxxu_fileops rtl8188eu_fops = {
.fill_txdesc = rtl8xxxu_fill_txdesc_v3,
.set_crystal_cap = rtl8188f_set_crystal_cap,
.cck_rssi = rtl8188e_cck_rssi,
.led_classdev_brightness_set = rtl8188eu_led_brightness_set,
.writeN_block_size = 128,
.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
.tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),

4
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
View File

@ -148,6 +148,10 @@
#define LEDCFG0_DPDT_SELECT BIT(23)
#define REG_LEDCFG1 0x004d
#define REG_LEDCFG2 0x004e
#define LEDCFG2_HW_LED_CONTROL BIT(1)
#define LEDCFG2_HW_LED_ENABLE BIT(5)
#define LEDCFG2_SW_LED_DISABLE BIT(3)
#define LEDCFG2_SW_LED_CONTROL BIT(5)
#define LEDCFG2_DPDT_SELECT BIT(7)
#define REG_LEDCFG3 0x004f
#define REG_LEDCFG REG_LEDCFG2