From: Oliver Neukum <oneukum@suse.com>
To: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Greg KH <gregkh@linuxfoundation.org>,
Guenter Roeck <linux@roeck-us.net>,
Vincent Palatin <vpalatin@chromium.org>,
Bin Gao <bin.gao@linux.intel.com>,
Felipe Balbi <felipe.balbi@linux.intel.com>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [PATCHv6 1/3] usb: USB Type-C connector class
Date: Tue, 30 Aug 2016 11:32:01 +0200 [thread overview]
Message-ID: <1472549521.2623.10.camel@suse.com> (raw)
In-Reply-To: <1472474182-43858-2-git-send-email-heikki.krogerus@linux.intel.com>
On Mon, 2016-08-29 at 15:36 +0300, Heikki Krogerus wrote:
> +What: /sys/class/typec/<port>/current_data_role
> +Date: June 2016
> +Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> +Description:
> + The current USB data role the port is operating in.
> This
> + attribute can be used for requesting data role
> swapping on the
> + port. Swapping is only supported as an asynchronous
> operation
> + and requires polling of the attribute in order to know
> the
> + result, so successful write operation does not mean
> successful
> + swap.
> +
That is badly formulated. Does it mean that poll() or select()
can be used or does the value need to be repearedly read?
And how would you learn about an error?
Regards
Oliver
next prev parent reply other threads:[~2016-08-30 9:32 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-29 12:36 [PATCHv6 0/3] USB Type-C Connector class Heikki Krogerus
2016-08-29 12:36 ` [PATCHv6 1/3] usb: USB Type-C connector class Heikki Krogerus
2016-08-29 13:06 ` Vincent Palatin
2016-08-30 9:32 ` Oliver Neukum [this message]
2016-08-30 10:04 ` Heikki Krogerus
2016-08-30 11:16 ` Oliver Neukum
2016-08-30 11:49 ` Heikki Krogerus
2016-08-30 13:11 ` Heikki Krogerus
2016-08-30 13:47 ` Guenter Roeck
2016-08-31 11:09 ` Heikki Krogerus
2016-08-31 13:18 ` Guenter Roeck
2016-08-30 13:46 ` Guenter Roeck
2016-08-30 14:13 ` Heikki Krogerus
2016-08-30 15:40 ` Guenter Roeck
2016-08-29 12:36 ` [PATCHv6 2/3] usb: typec: add driver for Intel Whiskey Cove PMIC USB Type-C PHY Heikki Krogerus
2016-08-29 12:36 ` [PATCHv6 3/3] mfd: intel_soc_pmic_bxtwc: add support for USB Type-C PHY on WhiskeyCove Heikki Krogerus
2016-08-30 8:59 ` Lee Jones
2016-08-30 13:35 ` Lee Jones
2016-08-29 13:06 ` [PATCHv6 0/3] USB Type-C Connector class Guenter Roeck
2016-08-29 13:43 ` Heikki Krogerus
-- strict thread matches above, loose matches on Subject: below --
2016-08-22 12:05 Heikki Krogerus
2016-08-22 12:05 ` [PATCHv6 1/3] usb: USB Type-C connector class Heikki Krogerus
2016-08-24 14:08 ` Vincent Palatin
2016-08-25 11:59 ` Heikki Krogerus
2016-08-26 13:16 ` Vincent Palatin
2016-08-26 14:07 ` Heikki Krogerus
2016-08-29 13:04 ` Guenter Roeck
2016-08-29 13:43 ` Heikki Krogerus
2016-08-29 14:07 ` Heikki Krogerus
2016-08-29 18:50 ` Guenter Roeck
2016-08-30 8:22 ` Heikki Krogerus
2016-08-30 15:28 ` Guenter Roeck
2016-08-30 17:00 ` Guenter Roeck
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