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From: Lee Jones <lee.jones@linaro.org>
To: Roger <rogerable@realtek.com>
Cc: Oliver Neukum <oneukum@suse.de>,
	Samuel Ortiz <sameo@linux.intel.com>,
	Chris Ball <chris@printf.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Maxim Levitsky <maximlevitsky@gmail.com>,
	Alex Dubov <oakad@yahoo.com>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org,
	driverdev-devel@linuxdriverproject.org, wei_wang@realsil.com.cn,
	micky_ching@realsil.com.cn
Subject: Re: [PATCH v5 1/3] mfd: Add realtek USB card reader driver
Date: Fri, 28 Mar 2014 07:59:42 +0000	[thread overview]
Message-ID: <20140328075942.GD17779@lee--X1> (raw)
In-Reply-To: <5334ED70.6050309@realtek.com>

[...]

> >>+static int rtsx_usb_suspend(struct usb_interface *intf, pm_message_t message)
> >>+{
> >>+	struct rtsx_ucr *ucr =
> >>+		(struct rtsx_ucr *)usb_get_intfdata(intf);
> >>+
> >>+	dev_dbg(&intf->dev, "%s called with pm message 0x%04u\n",
> >>+			__func__, message.event);
> >>+
> >>+	mutex_lock(&ucr->dev_mutex);
> >>+	rtsx_usb_turn_off_led(ucr);
> >
> >When is this turned on again?
> >
> 
> The LED is not in a permanent cut-off state after here. It is called
> to guarantee the LED is off during suspend to save more power. It
> could be lit up in the card host drivers(e.g. rtsx_usb_sdmmc.c)
> anytime whenever necessary.
> 
> This has been asked may times. I'm considering putting some comment
> in next revision.

Yes, please do.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

  reply	other threads:[~2014-03-28  7:59 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-25 10:44 [PATCH v5 0/3] Add modules for realtek USB card reader rogerable
2014-03-25 10:44 ` [PATCH v5 1/3] mfd: Add realtek USB card reader driver rogerable
2014-03-26 14:36   ` Oliver Neukum
     [not found]   ` <201403280231.s2S2VP8X017745@rtits1.realtek.com>
2014-03-28  3:33     ` Roger
2014-03-28  7:59       ` Lee Jones [this message]
2014-03-28  8:31       ` Oliver Neukum
2014-03-28  8:57         ` Roger
2014-03-25 10:44 ` [PATCH v5 2/3] mmc: Add realtek USB sdmmc host driver rogerable
2014-03-25 10:44 ` [PATCH v5 3/3] memstick: Add realtek USB memstick " rogerable
2014-04-01  3:20   ` Roger
2014-04-01 22:06     ` Andrew Morton
2014-04-02 15:16       ` Lee Jones
2014-04-08  8:06         ` Roger
2014-04-08 11:37           ` Lee Jones
2014-04-08 13:10             ` Roger
2014-04-08 13:25               ` Dan Carpenter

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