Messages in this thread Patch in this message | | | From | Mark Brown <> | Subject | [PATCH] mfd: Support additional parent IDs for wm831x | Date | Thu, 2 Dec 2010 16:25:43 +0000 |
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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> Cc: stable@kernel.org --- 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 47b58cc..3fe9a58 100644 --- a/drivers/mfd/wm831x-core.c +++ b/drivers/mfd/wm831x-core.c @@ -1455,7 +1455,11 @@ 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; -- 1.7.1
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