diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-12-02 16:25:43 +0000 |
|---|---|---|
| committer | AK <andi@firstfloor.org> | 2011-02-06 11:03:49 -0800 |
| commit | 848d070ae77a340275678ce27fde5c831e299e64 (patch) | |
| tree | acbf178e1435a6e0cfe4759d69c30028231e2240 | |
| parent | 26120280fe178d45390f28394e2d31399c04506d (diff) | |
| download | lwn-848d070ae77a340275678ce27fde5c831e299e64.tar.gz lwn-848d070ae77a340275678ce27fde5c831e299e64.zip | |
mfd: Support additional parent IDs for wm831x
commit b93cef556162b0f33399bfe5f307c54f51554e09 upstream.
Some newer device revisions add a second parent ID. Support this in
the device validity checks done at startup.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
| -rw-r--r-- | drivers/mfd/wm831x-core.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c index 1a968f34d679..8d7182e24985 100644 --- a/drivers/mfd/wm831x-core.c +++ b/drivers/mfd/wm831x-core.c @@ -1463,7 +1463,11 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) dev_err(wm831x->dev, "Failed to read parent ID: %d\n", ret); goto err; } - if (ret != 0x6204) { + switch (ret) { + case 0x6204: + case 0x6246: + break; + default: dev_err(wm831x->dev, "Device is not a WM831x: ID %x\n", ret); ret = -EINVAL; goto err; |