diff options
| author |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-06-02 19:18:48 +0100 |
|---|---|---|
| committer |   Samuel Ortiz <sameo@linux.intel.com> | 2011-07-31 23:28:19 +0200 |
| commit | eb503dc16b04d07a42a37892da73c74461fd06da (patch) | |
| tree | e9636d03bccade215b07aad4abf3da48d9924fcd /drivers | |
| parent | mfd: Fix bus lock interaction for WM831x IRQ set_type() operation (diff) | |
| download | linux-dev-eb503dc16b04d07a42a37892da73c74461fd06da.tar.xz linux-dev-eb503dc16b04d07a42a37892da73c74461fd06da.zip | |
mfd: Implement support for multiple WM831x devices
Systems using this functionality will be uncommon.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/wm831x-core.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c index 265f75fc6a25..04994b23bb6b 100644 --- a/drivers/mfd/wm831x-core.c +++ b/drivers/mfd/wm831x-core.c @@ -1440,7 +1440,7 @@ static struct mfd_cell backlight_devs[] = { int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) { struct wm831x_pdata *pdata = wm831x->dev->platform_data; - int rev; + int rev, wm831x_num; enum wm831x_parent parent; int ret, i; @@ -1592,6 +1592,12 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) } } + /* Multiply by 10 as we have many subdevices of the same type */ + if (pdata && pdata->wm831x_num) + wm831x_num = pdata->wm831x_num * 10; + else + wm831x_num = -1; + ret = wm831x_irq_init(wm831x, irq); if (ret != 0) goto err; @@ -1609,19 +1615,19 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) /* The core device is up, instantiate the subdevices. */ switch (parent) { case WM8310: - ret = mfd_add_devices(wm831x->dev, -1, + ret = mfd_add_devices(wm831x->dev, wm831x_num, wm8310_devs, ARRAY_SIZE(wm8310_devs), NULL, wm831x->irq_base); break; case WM8311: - ret = mfd_add_devices(wm831x->dev, -1, + ret = mfd_add_devices(wm831x->dev, wm831x_num, wm8311_devs, ARRAY_SIZE(wm8311_devs), NULL, wm831x->irq_base); break; case WM8312: - ret = mfd_add_devices(wm831x->dev, -1, + ret = mfd_add_devices(wm831x->dev, wm831x_num, wm8312_devs, ARRAY_SIZE(wm8312_devs), NULL, wm831x->irq_base); break; @@ -1630,7 +1636,7 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) case WM8321: case WM8325: case WM8326: - ret = mfd_add_devices(wm831x->dev, -1, + ret = mfd_add_devices(wm831x->dev, wm831x_num, wm8320_devs, ARRAY_SIZE(wm8320_devs), NULL, wm831x->irq_base); break; @@ -1647,7 +1653,7 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) if (pdata && pdata->backlight) { /* Treat errors as non-critical */ - ret = mfd_add_devices(wm831x->dev, -1, backlight_devs, + ret = mfd_add_devices(wm831x->dev, wm831x_num, backlight_devs, ARRAY_SIZE(backlight_devs), NULL, wm831x->irq_base); if (ret < 0) |