[alsa-devel] [PATCH ] ASoC: Add support for TI LM49453 Audio codec

M R Swami Reddy MR.Swami.Reddy at ti.com
Fri Feb 3 15:44:29 CET 2012

Mark Brown wrote:
> On Fri, Feb 03, 2012 at 07:03:30PM +0530, M R Swami Reddy wrote:
>> Mark Brown wrote:
>>> On Fri, Feb 03, 2012 at 04:19:00AM -0800, Reddy, MR Swami wrote:
>>>> Setting CHIP_EN bit as '0'. In the _STANDBY mode, CHIP_EN bit setting
>>>> not needed and will remove in the next patch.
>>> This also sounds broken, as I repeatedly said when reviewing previous
>>> versions of the driver if disabling the chip does anything at all then
>>> why don't you need to reenable the chip later?
>> OK. I will remove chip disable code in case if _STANDBY and _OFF modes.
> So the chip disable does nothing?  There's nothing wrong with disabling
> the chip when it goes to idle, it's just that one would expect that
> something ought to then reenable it when the device is needed again.

In _STANDBY mode - chip enable and
in _OFF mode - chip disable


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