On 21 July 2011 03:34, Zhangfei Gao <[email protected]> wrote:
> sdio client may be required power on/off dynamically.
> With regulator vsdio, sdio client power on/off could be executed by 
> mmc_power_up/down

I think you can/should do this with vmmc. When the device gets powered
down (e.g. in runtime suspend), the voltage should be cut, so it
should be possible to use the existing regulator.

I also looked at doing this before, when it looked like we would have
to manipulate a GPIO reset line for SD8686. I decided that the current
vmmc implementation in sdhci wasn't quite complete enough, but it
wouldn't be much effort to correct this.

Daniel
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to