linux-kernel - [10/70] hwmon: (pmbus) Auto-detect temp2 and temp3 registers/attributes

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Message-Id: <20110801232051.567074499@clark.kroah.org>
Date:	Mon, 01 Aug 2011 16:18:25 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Guenter Roeck <guenter.roeck@...csson.com>
Subject: [10/70] hwmon: (pmbus) Auto-detect temp2 and temp3 registers/attributes

2.6.39-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Guenter Roeck <guenter.roeck@...csson.com>

commit 0e502ec889d33bfcb348e420d7e105bc61c45eb4 upstream.

Additional temperature attribute support is easy to detect, so do it.

Signed-off-by: Guenter Roeck <guenter.roeck@...csson.com>
Reviewed-by: Robert Coulson <robert.coulson@...csson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/hwmon/pmbus.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/hwmon/pmbus.c
+++ b/drivers/hwmon/pmbus.c
@@ -63,6 +63,10 @@ static void pmbus_find_sensor_groups(str
 					      PMBUS_STATUS_TEMPERATURE))
 			info->func[0] |= PMBUS_HAVE_STATUS_TEMP;
 	}
+	if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_2))
+		info->func[0] |= PMBUS_HAVE_TEMP2;
+	if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_3))
+		info->func[0] |= PMBUS_HAVE_TEMP3;
 
 	/* Sensors detected on all pages */
 	for (page = 0; page < info->pages; page++) {


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