Re: [alsa-devel] [PATCH] ASoC: mediatek: Use current HW pointer for pointer callback

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From	Mark Brown <broonie@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [alsa-devel] [PATCH] ASoC: mediatek: Use current HW pointer for pointer callback
Date	Thu, 03 Dec 2015 12:10:02 +0100
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X-Original-Cc	Koro Chen <koro.chen@mediatek.com>, lgirdwood@gmail.com, alsa-devel@alsa-project.org, srv_heupstream@mediatek.com, s.hauer@pengutronix.de, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org
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On Thu, Dec 03, 2015 at 10:41:38AM +0100, Takashi Iwai wrote:

> While reading this patch, I wondered how regmap can be used safely in
> an irq-disabled context.  Mark, do we have any API for that?

We can use user supplied locks or spin_lock_irqsave().

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[PATCH] ASoC: mediatek: Use current HW pointer for pointer callback Koro Chen <koro.chen@mediatek.com> - 2015-12-03 09:00 +0100
  Re: [alsa-devel] [PATCH] ASoC: mediatek: Use current HW pointer for pointer callback Takashi Iwai <tiwai@suse.de> - 2015-12-03 10:50 +0100
    Re: [alsa-devel] [PATCH] ASoC: mediatek: Use current HW pointer for pointer callback Takashi Iwai <tiwai@suse.de> - 2015-12-03 12:10 +0100
      Re: [alsa-devel] [PATCH] ASoC: mediatek: Use current HW pointer for  pointer callback Koro Chen <koro.chen@mediatek.com> - 2015-12-03 12:40 +0100
      Re: [alsa-devel] [PATCH] ASoC: mediatek: Use current HW pointer for  pointer callback Mark Brown <broonie@kernel.org> - 2015-12-03 16:00 +0100
        Re: [alsa-devel] [PATCH] ASoC: mediatek: Use current HW pointer for pointer callback Takashi Iwai <tiwai@suse.de> - 2015-12-03 16:40 +0100
    Re: [alsa-devel] [PATCH] ASoC: mediatek: Use current HW pointer for  pointer callback Mark Brown <broonie@kernel.org> - 2015-12-03 12:10 +0100

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