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usb wifi: support gpio power control

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This commit is contained in:
hwg
2012-11-06 15:24:39 +08:00
parent 2b8f6ccd17
commit d04dc0fef4
1 changed files with 17 additions and 1 deletions
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18
arch/arm/mach-rk2928/board-rk2928-sdk-sdmmc.c
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@@ -247,8 +247,14 @@ static void rk29_sdmmc_set_iomux(int device_id, unsigned int bus_width)
#endif
#if defined(CONFIG_RTL8192CU) || defined(CONFIG_RTL8188EU)
#define RK30SDK_WIFI_GPIO_POWER_N RK2928_PIN0_PD6
#if defined(CONFIG_MACH_RK2926_V86)
#define CONFIG_USB_WIFI_POWER_CONTROLED_BY_GPIO
#define RK30SDK_WIFI_GPIO_POWER_N RK2928_PIN0_PD3
#define RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE GPIO_LOW
#else
#define RK30SDK_WIFI_GPIO_POWER_N RK2928_PIN0_PD3
#define RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE GPIO_LOW
#endif
#endif
#if defined(CONFIG_BCM4329) || defined(CONFIG_BCM4319)
@@ -403,15 +409,25 @@ int rk29sdk_wifi_power(int on)
{
pr_info("%s: %d\n", __func__, on);
if (on){
#if defined(CONFIG_USB_WIFI_POWER_CONTROLED_BY_GPIO)
gpio_set_value(RK30SDK_WIFI_GPIO_POWER_N, RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE);
mdelay(100);
#else
/*if(usbwifi_power_status == 1) {
rkusb_wifi_power(0);
mdelay(50);
}*/
rkusb_wifi_power(1);
#endif
usbwifi_power_status = 1;
pr_info("wifi turn on power\n");
}else{
#if defined(CONFIG_USB_WIFI_POWER_CONTROLED_BY_GPIO)
gpio_set_value(RK30SDK_WIFI_GPIO_POWER_N, !RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE);
mdelay(100);
#else
rkusb_wifi_power(0);
#endif
usbwifi_power_status = 0;
pr_info("wifi shut off power\n");
}