[PATCH v4] i2c: enable runtime PM for I2C adapter devices enumerated from ACPI
From: broonie@kernel.org (Mark Brown)
Date: 2013-10-05 10:31:46
Also in:
linux-acpi, linux-i2c, lkml
On Sat, Oct 05, 2013 at 11:09:01AM +0300, Mika Westerberg wrote:
It looks like Windows actually powers the I2C controller off independently of the I2C client power state. We should probably do the same in Linux even though it is not following what the ACPI spec says (but makes sense with serial buses like I2C and SPI).
Sounds like it's probably worth going to the effort of getting the spec amended... -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20131005/d387696f/attachment.sig>