diff options
Diffstat (limited to 'drivers/regulator/wm831x-dcdc.c')
| -rw-r--r-- | drivers/regulator/wm831x-dcdc.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index 318b9631155c..8710cfb0c19b 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c @@ -35,7 +35,7 @@ #define WM831X_DCDC_MODE_IDLE 2 #define WM831X_DCDC_MODE_STANDBY 3 -#define WM831X_DCDC_MAX_NAME 6 +#define WM831X_DCDC_MAX_NAME 9 /* Register offsets in control block */ #define WM831X_DCDC_CONTROL_1 0 @@ -50,6 +50,7 @@ struct wm831x_dcdc { char name[WM831X_DCDC_MAX_NAME]; + char supply_name[WM831X_DCDC_MAX_NAME]; struct regulator_desc desc; int base; struct wm831x *wm831x; @@ -402,23 +403,17 @@ static __devinit void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc, if (!pdata || !pdata->dvs_gpio) return; - ret = gpio_request(pdata->dvs_gpio, "DCDC DVS"); - if (ret < 0) { - dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n", - dcdc->name, ret); - return; - } - /* gpiolib won't let us read the GPIO status so pick the higher * of the two existing voltages so we take it as platform data. */ dcdc->dvs_gpio_state = pdata->dvs_init_state; - ret = gpio_direction_output(pdata->dvs_gpio, dcdc->dvs_gpio_state); + ret = gpio_request_one(pdata->dvs_gpio, + dcdc->dvs_gpio_state ? GPIOF_INIT_HIGH : 0, + "DCDC DVS"); if (ret < 0) { - dev_err(wm831x->dev, "Failed to enable %s DVS GPIO: %d\n", + dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n", dcdc->name, ret); - gpio_free(pdata->dvs_gpio); return; } @@ -496,6 +491,11 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev) snprintf(dcdc->name, sizeof(dcdc->name), "DCDC%d", id + 1); dcdc->desc.name = dcdc->name; + + snprintf(dcdc->supply_name, sizeof(dcdc->supply_name), + "DC%dVDD", id + 1); + dcdc->desc.supply_name = dcdc->supply_name; + dcdc->desc.id = id; dcdc->desc.type = REGULATOR_VOLTAGE; dcdc->desc.n_voltages = WM831X_BUCKV_MAX_SELECTOR + 1; @@ -697,6 +697,11 @@ static __devinit int wm831x_buckp_probe(struct platform_device *pdev) snprintf(dcdc->name, sizeof(dcdc->name), "DCDC%d", id + 1); dcdc->desc.name = dcdc->name; + + snprintf(dcdc->supply_name, sizeof(dcdc->supply_name), + "DC%dVDD", id + 1); + dcdc->desc.supply_name = dcdc->supply_name; + dcdc->desc.id = id; dcdc->desc.type = REGULATOR_VOLTAGE; dcdc->desc.n_voltages = WM831X_BUCKP_MAX_SELECTOR + 1; |