Messages in this thread | | | Date | Thu, 22 Sep 2011 18:01:54 +0100 | From | Mark Brown <> | Subject | Re: [PATCH] i2c/tegra: I2C driver uses the suspend_noirq/resume_noirq |
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On Fri, Aug 05, 2011 at 05:15:02PM -0600, Stephen Warren wrote: > From: Dilan Lee <dilee@nvidia.com> > > We found the register settings of wm8903(an audio codec) can't be modified > in snd_soc_suspend since I2C bus has been suspended before snd_soc_suspend. > > Pop noise will occur when system resume from LP0 if the register settings of wm8903 > haven't be modified correctly in snd_soc_suspend. > > So, we use the suspend_noirq/resume_noirq callbacks to make sure I2C bus still > operates while running snd_soc_suspend. > > Signed-off-by: Dilan Lee <dilee@nvidia.com> > Signed-off-by: Stephen Warren <swarren@nvidia.com>
At Stephen's request
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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