[alsa-devel] [PATCH v2] ASoC: SGTL5000: Fix kernel failed while trying to get optional VDDD supply.

Mark Brown broonie at kernel.org
Tue Dec 3 13:34:59 CET 2013

On Tue, Dec 03, 2013 at 09:49:47AM +0000, Li Xiubo wrote:

> 2, If the regulator dt node is exist but the optional VDDD is absent (i.e.
> The external VDDD is not used), a -EPROBE_DEFER will be returned, if just
> return the -EPROBE_DEFER to the probe(and then the probe deferral
> mechanism will do the probe again later, is that right ?), and then the
> regulator_get_optional() will be called later again, and the -EPROBE_DEFER
> will be returned again too, and now how should I handle -EPROBE_DEFER error
> twice ? Or should there be a counter about this ? That to say when the
> -EPROBE_DEFER error is the second time returned from regulator_get_optional()
> can we ensure that the optional VDDD is really not in use.

The driver should just defer when it's told to defer, I don't understand
why it would want to count anything?
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://mailman.alsa-project.org/pipermail/alsa-devel/attachments/20131203/f2b9d6f8/attachment.sig>

More information about the Alsa-devel mailing list