diff options
Diffstat (limited to 'arch/arm/mach-pxa/em-x270.c')
| -rw-r--r-- | arch/arm/mach-pxa/em-x270.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c index e2f9834e2daa..65e8dbad06b3 100644 --- a/arch/arm/mach-pxa/em-x270.c +++ b/arch/arm/mach-pxa/em-x270.c @@ -684,26 +684,52 @@ static int em_x270_libertas_setup(struct spi_device *spi) if (err) return err; + err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP"); + if (err) + goto err_free_pwen; + + if (machine_is_exeda()) { + err = gpio_request(GPIO37_WLAN_RST, "WLAN RST"); + if (err) + goto err_free_strap; + + gpio_direction_output(GPIO37_WLAN_RST, 1); + msleep(100); + } + gpio_direction_output(GPIO19_WLAN_STRAP, 1); - mdelay(100); + msleep(100); pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config)); gpio_direction_output(GPIO115_WLAN_PWEN, 0); - mdelay(100); + msleep(100); gpio_set_value(GPIO115_WLAN_PWEN, 1); - mdelay(100); + msleep(100); spi->bits_per_word = 16; spi_setup(spi); return 0; + +err_free_strap: + gpio_free(GPIO19_WLAN_STRAP); +err_free_pwen: + gpio_free(GPIO115_WLAN_PWEN); + + return err; } static int em_x270_libertas_teardown(struct spi_device *spi) { gpio_set_value(GPIO115_WLAN_PWEN, 0); gpio_free(GPIO115_WLAN_PWEN); + gpio_free(GPIO19_WLAN_STRAP); + + if (machine_is_exeda()) { + gpio_set_value(GPIO37_WLAN_RST, 0); + gpio_free(GPIO37_WLAN_RST); + } return 0; } |