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Date: Fri, 17 Jan 2014 19:44:02 +0100 From: Florian Meier <florian.meier@...lo.de> To: Mark Brown <broonie@...nel.org> CC: Daniel Matuschek <daniel@...uschek.net>, "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>, Dimitris.Papastamos@...fsonmicro.com, Liam Girdwood <lgirdwood@...il.com>, perex@...ex.cz, Takashi Iwai <tiwai@...e.de>, patches@...nsource.wolfsonmicro.com, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] ASoC: wm8804: Allow control of master clock divider in PLL generation On 01/17/2014 07:33 PM, Mark Brown wrote: > On Fri, Jan 17, 2014 at 07:06:24PM +0100, Florian Meier wrote: >> > Intentionally off-list? Oh no - I am sorry! >> If I remember correctly the error was >> "codec can not start from non-off bias with idle_bias_off==true" > >> I think the solution is just to set idle_bias_off = false and everything >> seems to be working with that. I just don't know if there might be any >> side effects. > > Setting it to false increases power consumption since the device is > kept more powered on when idle but reduces startup time from idle. For > digital only devices like the wm8804 there shouldn't be any reason to > keep it powered up when not in use, the startup time is generally > negligable anyway. > So a better solution would be to set SND_SOC_BIAS_OFF instead of SND_SOC_BIAS_STANDBY at the end of probe? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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