diff options
Diffstat (limited to 'drivers/staging/r8188eu/hal/rtl8188e_dm.c')
-rw-r--r-- | drivers/staging/r8188eu/hal/rtl8188e_dm.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/staging/r8188eu/hal/rtl8188e_dm.c b/drivers/staging/r8188eu/hal/rtl8188e_dm.c index 6d28e3dc0d26..0399872c4546 100644 --- a/drivers/staging/r8188eu/hal/rtl8188e_dm.c +++ b/drivers/staging/r8188eu/hal/rtl8188e_dm.c @@ -12,8 +12,12 @@ static void dm_InitGPIOSetting(struct adapter *Adapter) { u8 tmp1byte; + int res; + + res = rtw_read8(Adapter, REG_GPIO_MUXCFG, &tmp1byte); + if (res) + return; - tmp1byte = rtw_read8(Adapter, REG_GPIO_MUXCFG); tmp1byte &= (GPIOSEL_GPIO | ~GPIOSEL_ENBT); rtw_write8(Adapter, REG_GPIO_MUXCFG, tmp1byte); |