From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030701AbeBNOsV (ORCPT ); Wed, 14 Feb 2018 09:48:21 -0500 Received: from mail-pl0-f66.google.com ([209.85.160.66]:35436 "EHLO mail-pl0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030617AbeBNOsS (ORCPT ); Wed, 14 Feb 2018 09:48:18 -0500 X-Google-Smtp-Source: AH8x224/0PCmizXwiQfZL0kT8tR5Kb7KaribNRMZXbXOrsDF5E9NlDDJ4Yy5OBNFmobtxK0uYRwEdA== From: Peng Donglin To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, andy.shevchenko@gmail.com Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Peng Donglin Subject: [PATCH v4] ASoC: use DEFINE_SHOW_ATTRIBUTE() to decrease code duplication Date: Wed, 14 Feb 2018 22:48:07 +0800 Message-Id: <1518619687-31442-1-git-send-email-dolinux.peng@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is some duplicate code in soc-core.c, and the kernel provides DEFINE_SHOW_ATTRIBUTE() helper macro to decrease it in seq_file.h. Signed-off-by: Peng Donglin Reviewed-by: Andy Shevchenko --- v4: * resend patch using outlook email, because I can't disable gmail word wrap in plain text mode v3: [addressed comments from Andy] * add missing tag v2: [addressed comments from Andy] * modify code change description * do not rename m -> s --- sound/soc/soc-core.c | 45 ++++++--------------------------------------- 1 file changed, 6 insertions(+), 39 deletions(-) diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 96c44f6..f372f34 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -349,7 +349,7 @@ static void soc_init_codec_debugfs(struct snd_soc_component *component) "ASoC: Failed to create codec register debugfs file\n"); } -static int codec_list_seq_show(struct seq_file *m, void *v) +static int codec_list_show(struct seq_file *m, void *v) { struct snd_soc_codec *codec; @@ -362,20 +362,9 @@ static int codec_list_seq_show(struct seq_file *m, void *v) return 0; } +DEFINE_SHOW_ATTRIBUTE(codec_list); -static int codec_list_seq_open(struct inode *inode, struct file *file) -{ - return single_open(file, codec_list_seq_show, NULL); -} - -static const struct file_operations codec_list_fops = { - .open = codec_list_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int dai_list_seq_show(struct seq_file *m, void *v) +static int dai_list_show(struct seq_file *m, void *v) { struct snd_soc_component *component; struct snd_soc_dai *dai; @@ -390,20 +379,9 @@ static int dai_list_seq_show(struct seq_file *m, void *v) return 0; } +DEFINE_SHOW_ATTRIBUTE(dai_list); -static int dai_list_seq_open(struct inode *inode, struct file *file) -{ - return single_open(file, dai_list_seq_show, NULL); -} - -static const struct file_operations dai_list_fops = { - .open = dai_list_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int platform_list_seq_show(struct seq_file *m, void *v) +static int platform_list_show(struct seq_file *m, void *v) { struct snd_soc_platform *platform; @@ -416,18 +394,7 @@ static int platform_list_seq_show(struct seq_file *m, void *v) return 0; } - -static int platform_list_seq_open(struct inode *inode, struct file *file) -{ - return single_open(file, platform_list_seq_show, NULL); -} - -static const struct file_operations platform_list_fops = { - .open = platform_list_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(platform_list); static void soc_init_card_debugfs(struct snd_soc_card *card) { -- 2.7.4