diff options
| author | Bitterblue Smith <rtl8821cerfe2@gmail.com> | 2023-01-20 17:52:40 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2023-02-13 19:24:35 +0200 |
| commit | 873b3811728b39a83a807fbccaa14d517f740ac8 (patch) | |
| tree | 366d786d5b1984094aa23afd8160d5eddaece234 /drivers/net/wireless/realtek/rtl8xxxu | |
| parent | 3be01622995bb1a360718f7e5e8cee1879795fa5 (diff) | |
wifi: rtl8xxxu: Add LED control code for RTL8188EU
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
Diffstat (limited to 'drivers/net/wireless/realtek/rtl8xxxu')
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 25 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h | 4 |
2 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c index 08f3b93ad8d0..a99ddb41cd24 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c @@ -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), diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h index 5818b2378bab..d510ce27b1b4 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h @@ -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 |