From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: Re: [PATCH 11/19] ASoC: upd9976: add jack detection
	function
Date: Wed, 4 May 2011 17:32:31 +0100
Message-ID: <20110504163231.GI10912@opensource.wolfsonmicro.com>
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To: Lu Guanqun <guanqun.lu@intel.com>
Cc: Takashi Iwai <tiwai@suse.de>, Koul Vinod <vinod.koul@intel.com>, ALSA <alsa-devel@alsa-project.org>, Liam Girdwood <lrg@ti.com>, Wang Xingchao <xingchao.wang@intel.com>
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On Wed, May 04, 2011 at 09:45:50PM +0800, Lu Guanqun wrote:

> +void upd9976_jack_detection(struct snd_soc_jack *jack, u8 interrupt_status)
> +{
> +	int status = 0;
> +	unsigned int value = 0;
> +	struct snd_soc_codec *codec = jack->codec;
> +	int mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_HEADSET;
> +
> +	if (interrupt_status & 0x3)
> +		value = snd_soc_read(codec, UPD9976_SAUXINT);

> +EXPORT_SYMBOL_GPL(upd9976_jack_detection);
> +

I'd expect that the driver would also manage the work to do with
handling the interrupt as well.