Messages in this thread | | | Date | Fri, 4 Jan 2019 01:04:21 +0530 | From | b-ak <> | Subject | Re: [PATCH] ASoC: tlv320aic32x4: Kernel OOPS while entering DAPM standby mode |
| |
On Thu, Jan 03, 2019 at 12:45:54PM +0000, Mark Brown wrote: > On Wed, Jan 02, 2019 at 10:36:33PM +0530, b-ak wrote: > > During the bootup of the kernel, as soon as the DAPM framework kicks in > > it pushes the codec into standy mode. > > > > The existing TVL320AIC32x4 codec driver doesn't prepare the clock in > > the probe function. > > This leads to an OOPS when the DAPM tries to put it into standy by calling > > clk_disable_unprepare() > > > > This patch fixes that problem. > > This isn't the best way of fixing this because it makes it look like > there's a missing disable in the removal process. What would be better > would be to do what other drivers do and check to see what state we're > transitioning from before we disable the clock in set_bias_level(). See > drivers like wm8903.c for examples.
Hello Mark,
I will test the change and update the patch.
Thanks, Bhargav
| |