Hi James, 2011/11/1 James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>: > On Tue, 2011-11-01 at 13:31 +0800, JiSheng Zhang wrote: >> Currently, there's no start/stop management in scsi cdrom driver to >> spin up/down the motor do we need to implement it? > > Say more ... like what you think it buys. The auto spin down of a CD > tends to be the best power control we have and it's not even clear that > manufacturers have implemented any other useful power states. Does it mean the behavior depends on manufacturers? Some cd will spin down automatically? Even so, how about during shutdown just after reading something from cdrom? Thanks, Jisheng -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
