lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 15 Dec 2022 10:17:47 +0100 From: Marco Felsch <m.felsch@...gutronix.de> To: Mark Brown <broonie@...nel.org> Cc: Rouven Czerwinski <r.czerwinski@...gutronix.de>, Liam Girdwood <lgirdwood@...il.com>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, kernel@...gutronix.de, alsa-devel@...a-project.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/2] ASoC: max98088: fix initial dai mute state Hi Mark, On 22-12-13, Mark Brown wrote: > On Tue, Dec 13, 2022 at 10:53:28AM +0100, Rouven Czerwinski wrote: > > > To fix that we need to explicit set the mute state. Now the first > > playback request gets played correctly. > > > +++ b/sound/soc/codecs/max98088.c > > @@ -1710,6 +1710,11 @@ static int max98088_probe(struct snd_soc_component *component) > > snd_soc_component_write(component, M98088_REG_1E_DAI2_IOCFG, > > M98088_S2NORMAL|M98088_SDATA); > > > > + snd_soc_component_update_bits(component, M98088_REG_2F_LVL_DAI1_PLAY, > > + M98088_DAI_MUTE_MASK, M98088_DAI_MUTE); > > + snd_soc_component_update_bits(component, M98088_REG_31_LVL_DAI2_PLAY, > > + M98088_DAI_MUTE_MASK, M98088_DAI_MUTE); > > + > > Won't this be broken again after suspend? The device gets powered off > over suspend, then when it powers on again with the output unmuted > nothing will do another write since the register is already in the state > in the cache. I didn't found any suspend logic within the driver. Is this handled within the ASoC core? Regards, Marco
Powered by blists - more mailing lists