diff options
| author | Bitterblue Smith <rtl8821cerfe2@gmail.com> | 2023-01-20 17:54:18 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2023-02-13 19:24:36 +0200 |
| commit | ae0a6df673c2ca9a0843127e4a6e72a1c80f1215 (patch) | |
| tree | 414a1b2967c99ad25a2d3e321307f8cf756155b1 /drivers/net/wireless | |
| parent | 873b3811728b39a83a807fbccaa14d517f740ac8 (diff) | |
wifi: rtl8xxxu: Add LED control code for RTL8192EU
By default the LED will blink when there is some activity.
This was tested with a cheap "HT-WR813" from Aliexpress.
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/8f7fd5d7-5baa-b38b-ad2a-977dcd9edd81@gmail.com
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c | 24 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h | 2 |
2 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c index 4a1c9bcafe31..5cfc00237f42 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c @@ -1764,6 +1764,29 @@ static s8 rtl8192e_cck_rssi(struct rtl8xxxu_priv *priv, u8 cck_agc_rpt) return rx_pwr_all; } +static int rtl8192eu_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_LEDCFG1); + + if (brightness == LED_OFF) { + ledcfg &= ~LEDCFG1_HW_LED_CONTROL; + ledcfg |= LEDCFG1_LED_DISABLE; + } else if (brightness == LED_ON) { + ledcfg &= ~(LEDCFG1_HW_LED_CONTROL | LEDCFG1_LED_DISABLE); + } else if (brightness == RTL8XXXU_HW_LED_CONTROL) { + ledcfg &= ~LEDCFG1_LED_DISABLE; + ledcfg |= LEDCFG1_HW_LED_CONTROL; + } + + rtl8xxxu_write8(priv, REG_LEDCFG1, ledcfg); + + return 0; +} + struct rtl8xxxu_fileops rtl8192eu_fops = { .identify_chip = rtl8192eu_identify_chip, .parse_efuse = rtl8192eu_parse_efuse, @@ -1788,6 +1811,7 @@ struct rtl8xxxu_fileops rtl8192eu_fops = { .fill_txdesc = rtl8xxxu_fill_txdesc_v2, .set_crystal_cap = rtl8723a_set_crystal_cap, .cck_rssi = rtl8192e_cck_rssi, + .led_classdev_brightness_set = rtl8192eu_led_brightness_set, .writeN_block_size = 128, .tx_desc_size = sizeof(struct rtl8xxxu_txdesc40), .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24), diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h index d510ce27b1b4..5849fa4e1566 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h @@ -147,6 +147,8 @@ #define REG_LEDCFG0 0x004c #define LEDCFG0_DPDT_SELECT BIT(23) #define REG_LEDCFG1 0x004d +#define LEDCFG1_HW_LED_CONTROL BIT(1) +#define LEDCFG1_LED_DISABLE BIT(7) #define REG_LEDCFG2 0x004e #define LEDCFG2_HW_LED_CONTROL BIT(1) #define LEDCFG2_HW_LED_ENABLE BIT(5) |