From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752948Ab3LPJN1 (ORCPT ); Mon, 16 Dec 2013 04:13:27 -0500 Received: from [213.199.154.209] ([213.199.154.209]:18300 "EHLO am1outboundpool.messaging.microsoft.com" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751996Ab3LPJNY (ORCPT ); Mon, 16 Dec 2013 04:13:24 -0500 X-Forefront-Antispam-Report: CIP:70.37.183.190;KIP:(null);UIP:(null);IPV:NLI;H:mail.freescale.net;RD:none;EFVD:NLI X-SpamScore: 3 X-BigFish: VS3(zzzz1f42h2148h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h2189h1d1ah1d2ah1fc6h1082kzz1de098h8275bh1de097hz2dh2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh2222h224fh1fb3h1d0ch1d2eh1d3fh1dc1h1dfeh1dffh1e23h1fe8h1ff5h2218h2216h226dh22d0h2327h2336h1155h) From: Anson Huang To: , CC: Subject: [PATCH 2/4] regulator: anatop: add is_enabled interface Date: Mon, 16 Dec 2013 16:09:48 -0500 Message-ID: <1387228188-461-1-git-send-email-b20788@freescale.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add is_enabled interface for anatop regulator in case some drivers need to know regulator's status. Signed-off-by: Anson Huang --- drivers/regulator/anatop-regulator.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index c734d09..770d836 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -97,10 +97,25 @@ static int anatop_regmap_get_voltage_sel(struct regulator_dev *reg) return regulator_get_voltage_sel_regmap(reg); } +static int anatop_regmap_is_enabled(struct regulator_dev *reg) +{ + struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg); + u32 val; + + if (!anatop_reg->control_reg) + return -ENOTSUPP; + + regmap_read(anatop_reg->anatop, anatop_reg->control_reg, &val); + + return (val >> anatop_reg->vol_bit_shift) & + ((1 << anatop_reg->vol_bit_width) - 1) ? 1 : 0; +} + static struct regulator_ops anatop_rops = { .set_voltage_sel = anatop_regmap_set_voltage_sel, .set_voltage_time_sel = anatop_regmap_set_voltage_time_sel, .get_voltage_sel = anatop_regmap_get_voltage_sel, + .is_enabled = anatop_regmap_is_enabled, .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, }; -- 1.7.9.5