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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-12-02 16:25:43 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2011-01-07 13:58:43 -0800
commiteeb140591a5e0220277d633139793d9bdb65fe35 (patch)
tree47cd44c74971019f59a3be9e70f7c91c4cdbf6d2
parent1044d6d19d23ef6fc8afe808ac8f8a9a4dc827ce (diff)
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>
-rw-r--r--drivers/mfd/wm831x-core.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 1e7aaaf6cc6..f70723d7296 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -1464,7 +1464,11 @@ 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;