From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754278Ab1KPP2L (ORCPT ); Wed, 16 Nov 2011 10:28:11 -0500 Received: from am1ehsobe004.messaging.microsoft.com ([213.199.154.207]:10087 "EHLO AM1EHSOBE004.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754099Ab1KPP2H (ORCPT ); Wed, 16 Nov 2011 10:28:07 -0500 X-SpamScore: 0 X-BigFish: VS0(zzzz1202hzzz2dh87h2a8h668h839h) X-Forefront-Antispam-Report: CIP:137.71.25.55;KIP:(null);UIP:(null);IPV:NLI;H:nwd2mta1.analog.com;RD:nwd2mail10.analog.com;EFVD:NLI X-FB-DOMAIN-IP-MATCH: fail From: Lars-Peter Clausen To: Mark Brown , Dimitris Papastamos , Jonathan Cameron CC: Michael Hennerich , , , , , Lars-Peter Clausen Subject: [PATCH 6/7] regmap: Add support for 10/14 register formating Date: Wed, 16 Nov 2011 16:28:21 +0100 Message-ID: <1321457302-8724-6-git-send-email-lars@metafoo.de> X-Mailer: git-send-email 1.7.7.1 In-Reply-To: <1321457302-8724-1-git-send-email-lars@metafoo.de> References: <1321457302-8724-1-git-send-email-lars@metafoo.de> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds support for 10 bits register, 14 bits value type register formating. This is for example used by the Analog Devices AD5380. Signed-off-by: Lars-Peter Clausen --- drivers/base/regmap/regmap.c | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index b96cf72..e533368 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -90,6 +90,16 @@ static void regmap_format_7_9_write(struct regmap *map, *out = cpu_to_be16((reg << 9) | val); } +static void regmap_format_10_14_write(struct regmap *map, + unsigned int reg, unsigned int val) +{ + u8 *out = map->work_buf; + + out[2] = val; + out[1] = (val >> 8) | (reg << 6); + out[0] = reg >> 2; +} + static void regmap_format_8(void *buf, unsigned int val) { u8 *b = buf; @@ -188,6 +198,16 @@ struct regmap *regmap_init(struct device *dev, } break; + case 10: + switch (config->val_bits) { + case 14: + map->format.format_write = regmap_format_10_14_write; + break; + default: + goto err_map; + } + break; + case 8: map->format.format_reg = regmap_format_8; break; -- 1.7.7.1