[alsa-devel] [PATCH] ASoC: rt5640: correct 5640's device ID
bardliao at realtek.com
Mon May 5 05:36:18 CEST 2014
> -----Original Message-----
> From: Stephen Warren [mailto:swarren at wwwdotorg.org]
> Sent: Thursday, May 01, 2014 12:10 AM
> To: Bard Liao; broonie at kernel.org; lgirdwood at gmail.com
> Cc: alsa-devel at alsa-project.org; lars at metafoo.de; Flove; Oder Chiou
> Subject: Re: [PATCH] ASoC: rt5640: correct 5640's device ID
> On 04/30/2014 12:08 AM, bardliao at realtek.com wrote:
> > From: Bard Liao <bardliao at realtek.com>
> > This patch correct rt5640's device ID
> > Signed-off-by: Bard Liao <bardliao at realtek.com>
> > ---
> > We will send another patch to fix the issue about the "Failed to add route"
> > error.
> Tested-by: Stephen Warren <swarren at nvidia.com>
> (On NVIDIA Tegra Beaver/RT5640, Dalmore/RT5640, Jetson TK1/RT5639)
> Note that this patch alone (on top of next-20140429) completely eliminates any of
> the "failed to add route" errors that I mentioned earlier, although perhaps there's
> still a need to investigate why they happened.
The "failed to add route" errors is coming from we didn't handle a default case when
determining which codec is attached. As a result, no _dapm_new_controls is called.
That's why once we can determine codecs properly, the errors will be gone.
Actually, there are only three possible ID values, and all of them are in the switch cases now.
So, I am thinking if we need to add a default case to handle unexpected cases.
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