On Wed, May 23, 2012 at 03:06:41PM +0300, Sakari Ailus wrote: > On Wed, May 23, 2012 at 01:31:26PM +0200, Laurent Pinchart wrote: > > Hi Sakari, > ... > > > > If the chip is powered on constantly, why do we need a .s_power() subdev > > > > operation at all ? > > > > > > I don't know why was it there in the first place. Probably to make it easier > > > to use the driver on boards that required e.g. a regulator for the chip. > > > > > > But typically they're connected to battery directly. The idle power > > > consumption is just some tens of µA. > > > > What about on the N9 ? > > That function pointer is NULL for N9. I used to configure the GPIOs but that > was wrong in the first place. Ping. Should we either remove the s_power() callback altogether or just the platform data callback function (which is unused)? It is indeed possible that the device was powered from a regulator which isn't always on but we don't have such use cases right now. -- Cheers, Sakari Ailus e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
