Mark, I can confirm that the patch:
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/base/regmap/regcache.c?id=3245d460a1eb55b5c3ca31dde7b5c5ac71546edf solved the audio codec probing issue for me. Without it there's no sound on imx6 with 4.5-rc4. Please apply. Thanks, Mika On 20.02.2016 22:45, Fabio Estevam wrote: > Hi Mika, > > Did it work for you? > > If so, please ask in the mailing list for Mark Brown to apply that patch. > > Thanks > > ________________________________________ > From: Mika Penttilä <mika.pentt...@nextfour.com> > Sent: Monday, February 15, 2016 11:00 AM > To: Fabio Estevam > Subject: Re: [REGRESSION, bisected] 4.5rc4 sound fsl-soc > > On 02/15/2016 01:30 PM, Fabio Estevam wrote: >> [Sorry for the top post, can't reply properly from this Inbox] > Hi, > > will test that tomorrow morning EET. > > > thanks, > Mika > > >> Could you please try applying this commit from linux-next? >> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/base/regmap/regcache.c?id=3245d460a1eb55b5c3ca31dde7b5c5ac71546edf >> >> Thanks, >> >> Fabio Estevam >> >> ________________________________________ >> From: Mika Penttilä <mika.pentt...@nextfour.com> >> Sent: Monday, February 15, 2016 9:25 AM >> To: LKML; m...@maciej.szmigiero.name; Fabio Estevam >> Subject: [REGRESSION, bisected] 4.5rc4 sound fsl-soc >> >> Hi, >> >> The following commit : >> >> 5c408fee254633a5be69505bc86c6b034f871ab4 is the first bad commit >> commit 5c408fee254633a5be69505bc86c6b034f871ab4 >> Author: Maciej S. Szmigiero <m...@maciej.szmigiero.name> >> Date: Mon Jan 18 20:07:44 2016 +0100 >> >> ASoC: fsl_ssi: remove explicit register defaults >> >> There is no guarantee that on fsl_ssi module load >> SSI registers will have their power-on-reset values. >> >> In fact, if the driver is reloaded the values in >> registers will be whatever they were set to previously. >> >> However, the cache needs to be fully populated at probe >> time to avoid non-atomic allocations during register >> access. >> >> Special case here is imx21-class SSI, since >> according to datasheet it don't have SACC{ST,EN,DIS} >> regs. >> >> This fixes hard lockup on fsl_ssi module reload, >> at least in AC'97 mode. >> >> Fixes: 05cf237972fe ("ASoC: fsl_ssi: Add driver suspend and resume to >> support MEGA Fast") >> Signed-off-by: Maciej S. Szmigiero <m...@maciej.szmigiero.name> >> Tested-by: Fabio Estevam <fabio.este...@nxp.com> >> Signed-off-by: Mark Brown <broo...@kernel.org> >> >> >> causes regmap init failure when loading the sgtl5000 codec on imx6q, and >> leads to no audio. >> >> With the mentioned patch reverted sound works ok. >> >> --Mika >>
