From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753816Ab2H0Shv (ORCPT ); Mon, 27 Aug 2012 14:37:51 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:59066 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751466Ab2H0Shu (ORCPT ); Mon, 27 Aug 2012 14:37:50 -0400 From: Mark Brown To: Liam Girdwood Cc: linux-kernel@vger.kernel.org, Mark Brown Subject: [PATCH] regulator: core: Report microvolts in sysfs even with only list_voltage() Date: Mon, 27 Aug 2012 11:37:46 -0700 Message-Id: <1346092666-17772-1-git-send-email-broonie@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.10.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If a regulator only supports a single voltage list_voltage() can be used to report what that voltage is so add this as one of the criteria for creating the microvolts file in sysfs. Signed-off-by: Mark Brown --- drivers/regulator/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 06186ba..db7d59a 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3020,7 +3020,8 @@ static int add_regulator_attributes(struct regulator_dev *rdev) /* some attributes need specific methods to be displayed */ if ((ops->get_voltage && ops->get_voltage(rdev) >= 0) || - (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0)) { + (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0) || + (ops->list_voltage && ops->list_voltage(rdev, 0) >= 0)) { status = device_create_file(dev, &dev_attr_microvolts); if (status < 0) return status; -- 1.7.10.4