Commit ccf8fa2d authored by Mark Brown's avatar Mark Brown Committed by Anton Vorontsov

wm831x_power: Support multiple instances

If there are multiple wm831x devices in the system we need to assign
different names to the power supply devices in order to ensure we can
create the sysfs entries for them.
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarAnton Vorontsov <cbouatmailru@gmail.com>
parent d0376031
......@@ -24,6 +24,9 @@ struct wm831x_power {
struct power_supply wall;
struct power_supply usb;
struct power_supply battery;
char wall_name[20];
char usb_name[20];
char battery_name[20];
};
static int wm831x_power_check_online(struct wm831x *wm831x, int supply,
......@@ -486,6 +489,7 @@ static irqreturn_t wm831x_pwr_src_irq(int irq, void *data)
static __devinit int wm831x_power_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *wm831x_pdata = wm831x->dev->platform_data;
struct wm831x_power *power;
struct power_supply *usb;
struct power_supply *battery;
......@@ -503,12 +507,28 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev)
battery = &power->battery;
wall = &power->wall;
if (wm831x_pdata && wm831x_pdata->wm831x_num) {
snprintf(power->wall_name, sizeof(power->wall_name),
"wm831x-wall.%d", wm831x_pdata->wm831x_num);
snprintf(power->battery_name, sizeof(power->wall_name),
"wm831x-battery.%d", wm831x_pdata->wm831x_num);
snprintf(power->usb_name, sizeof(power->wall_name),
"wm831x-usb.%d", wm831x_pdata->wm831x_num);
} else {
snprintf(power->wall_name, sizeof(power->wall_name),
"wm831x-wall");
snprintf(power->battery_name, sizeof(power->wall_name),
"wm831x-battery");
snprintf(power->usb_name, sizeof(power->wall_name),
"wm831x-usb");
}
/* We ignore configuration failures since we can still read back
* the status without enabling the charger.
*/
wm831x_config_battery(wm831x);
wall->name = "wm831x-wall";
wall->name = power->wall_name;
wall->type = POWER_SUPPLY_TYPE_MAINS;
wall->properties = wm831x_wall_props;
wall->num_properties = ARRAY_SIZE(wm831x_wall_props);
......@@ -517,7 +537,7 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev)
if (ret)
goto err_kmalloc;
battery->name = "wm831x-battery";
battery->name = power->battery_name;
battery->properties = wm831x_bat_props;
battery->num_properties = ARRAY_SIZE(wm831x_bat_props);
battery->get_property = wm831x_bat_get_prop;
......@@ -526,7 +546,7 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev)
if (ret)
goto err_wall;
usb->name = "wm831x-usb",
usb->name = power->usb_name,
usb->type = POWER_SUPPLY_TYPE_USB;
usb->properties = wm831x_usb_props;
usb->num_properties = ARRAY_SIZE(wm831x_usb_props);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment