From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753491Ab1JDB6g (ORCPT ); Mon, 3 Oct 2011 21:58:36 -0400 Received: from mail-yx0-f174.google.com ([209.85.213.174]:56553 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753073Ab1JDB6f (ORCPT ); Mon, 3 Oct 2011 21:58:35 -0400 Subject: [PATCH 3/4] ASoC: wm8971: Use snd_soc_update_bits for read-modify-write From: Axel Lin To: linux-kernel@vger.kernel.org Cc: Kenneth Kiraly , Mark Brown , Liam Girdwood , alsa-devel@alsa-project.org In-Reply-To: <1317693345.2688.1.camel@phoenix> References: <1317693345.2688.1.camel@phoenix> Content-Type: text/plain; charset="UTF-8" Date: Tue, 04 Oct 2011 09:58:28 +0800 Message-ID: <1317693508.2688.5.camel@phoenix> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use snd_soc_update_bits for read-modify-write register access instead of open-coding it using snd_soc_read and snd_soc_write Signed-off-by: Axel Lin --- sound/soc/codecs/wm8971.c | 27 ++++++++------------------- 1 files changed, 8 insertions(+), 19 deletions(-) diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c index 7ec4165..08ea6f8 100644 --- a/sound/soc/codecs/wm8971.c +++ b/sound/soc/codecs/wm8971.c @@ -660,25 +660,14 @@ static int wm8971_probe(struct snd_soc_codec *codec) msecs_to_jiffies(1000)); /* set the update bits */ - reg = snd_soc_read(codec, WM8971_LDAC); - snd_soc_write(codec, WM8971_LDAC, reg | 0x0100); - reg = snd_soc_read(codec, WM8971_RDAC); - snd_soc_write(codec, WM8971_RDAC, reg | 0x0100); - - reg = snd_soc_read(codec, WM8971_LOUT1V); - snd_soc_write(codec, WM8971_LOUT1V, reg | 0x0100); - reg = snd_soc_read(codec, WM8971_ROUT1V); - snd_soc_write(codec, WM8971_ROUT1V, reg | 0x0100); - - reg = snd_soc_read(codec, WM8971_LOUT2V); - snd_soc_write(codec, WM8971_LOUT2V, reg | 0x0100); - reg = snd_soc_read(codec, WM8971_ROUT2V); - snd_soc_write(codec, WM8971_ROUT2V, reg | 0x0100); - - reg = snd_soc_read(codec, WM8971_LINVOL); - snd_soc_write(codec, WM8971_LINVOL, reg | 0x0100); - reg = snd_soc_read(codec, WM8971_RINVOL); - snd_soc_write(codec, WM8971_RINVOL, reg | 0x0100); + snd_soc_update_bits(codec, WM8971_LDAC, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8971_RDAC, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8971_LOUT1V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8971_ROUT1V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8971_LOUT2V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8971_ROUT2V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8971_LINVOL, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8971_RINVOL, 0x0100, 0x0100); snd_soc_add_controls(codec, wm8971_snd_controls, ARRAY_SIZE(wm8971_snd_controls)); -- 1.7.4.1