From: Mark Brown <broonie@kernel.org>
To: Peter Seiderer <ps.report@gmx.net>
Cc: linux-kernel@vger.kernel.org, Liam Girdwood <lgirdwood@gmail.com>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
b-ak <anur.bhargav@gmail.com>,
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
alsa-devel@alsa-project.org
Subject: Re: [RFC v1] tlv320aic32x4: delay i2c access by 1 ms after hardware reset
Date: Mon, 11 Feb 2019 15:04:25 +0000 [thread overview]
Message-ID: <20190211150425.GE22391@sirena.org.uk> (raw)
In-Reply-To: <20190210154519.2506-1-ps.report@gmx.net>
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On Sun, Feb 10, 2019 at 04:45:19PM +0100, Peter Seiderer wrote:
> @@ -972,6 +972,8 @@ static int aic32x4_component_probe(struct snd_soc_component *component)
> gpio_set_value(aic32x4->rstn_gpio, 1);
> }
>
> + mdelay(1);
> +
Perhaps only do this if we toggled the GPIO? If the device wasn't in
reset then there's no need to wait.
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next prev parent reply other threads:[~2019-02-11 15:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-10 15:45 [RFC v1] tlv320aic32x4: delay i2c access by 1 ms after hardware reset Peter Seiderer
2019-02-11 15:04 ` Mark Brown [this message]
2019-02-11 21:02 ` Peter Seiderer
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