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Date: Fri, 12 Jul 2013 14:29:16 +0300 From: Andy Shevchenko <andy.shevchenko@...il.com> To: Wolfram Sang <wsa@...-dreams.de> Cc: Mark Brown <broonie@...nel.org>, Bin Gao <bin.gao@...ux.intel.com>, linux-i2c@...r.kernel.org, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Laurent Pinchart <laurent.pinchart@...asonboard.com> Subject: Re: i2c: introduce i2c helper i2c_find_client_by_name() On Fri, Jul 12, 2013 at 2:00 PM, Wolfram Sang <wsa@...-dreams.de> wrote: > >> Briefly looking into ACPI tables we have and mechanisms that we can >> use in ACPI case, I doubt we may apply all the ideas, probably some of >> them, though I didn't get yet where to read about in details. What I >> could say now is that the patch provided by Bin Gao is definitely no >> go. > > Laurent explained to me what V4L did and now does. It used to be the way > tha V4L drivers did register I2C slaves according to platform_data. Now, > with DT the slaves get instanciated earlier, so they now use notifiers > to know when the slaves are in place. Something like this should > probably be done here, too, instead of unregistering and re-registering. Yes, seems right way to go. I think ACPI case can use V4L2 async API somehow, though it has its own event model. I'll talk to Sakari Ailus to sync. -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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