From 7449054af0dcfa2839bb2da0a393bd35cf08daff Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 4 Feb 2019 16:07:35 +0100 Subject: ALSA: usb: Clean up with new procfs helpers Simplify the proc fs creation code with new helper functions, snd_card_ro_proc_new() and snd_card_rw_proc_new(). Just a code refactoring and no functional changes. Reviewed-by: Jaroslav Kysela Signed-off-by: Takashi Iwai --- sound/usb/mixer.c | 7 +++---- sound/usb/mixer_quirks.c | 6 ++---- sound/usb/proc.c | 13 +++++-------- 3 files changed, 10 insertions(+), 16 deletions(-) (limited to 'sound/usb') diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 8ad1a24c8f28..73d7dff425c1 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -3441,7 +3441,6 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, .dev_free = snd_usb_mixer_dev_free }; struct usb_mixer_interface *mixer; - struct snd_info_entry *entry; int err; strcpy(chip->card->mixername, "USB Mixer"); @@ -3497,9 +3496,9 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, if (err < 0) goto _error; - if (list_empty(&chip->mixer_list) && - !snd_card_proc_new(chip->card, "usbmixer", &entry)) - snd_info_set_text_ops(entry, chip, snd_usb_mixer_proc_read); + if (list_empty(&chip->mixer_list)) + snd_card_ro_proc_new(chip->card, "usbmixer", chip, + snd_usb_mixer_proc_read); list_add(&mixer->list, &chip->mixer_list); return 0; diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 85ae0ff2382a..a751a18ca4c2 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -2195,7 +2195,6 @@ static int snd_rme_controls_create(struct usb_mixer_interface *mixer) int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) { int err = 0; - struct snd_info_entry *entry; err = snd_usb_soundblaster_remote_init(mixer); if (err < 0) @@ -2214,9 +2213,8 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) err = snd_audigy2nx_controls_create(mixer); if (err < 0) break; - if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry)) - snd_info_set_text_ops(entry, mixer, - snd_audigy2nx_proc_read); + snd_card_ro_proc_new(mixer->chip->card, "audigy2nx", + mixer, snd_audigy2nx_proc_read); break; /* EMU0204 */ diff --git a/sound/usb/proc.c b/sound/usb/proc.c index 0ac89e294d31..e80c9d0749c9 100644 --- a/sound/usb/proc.c +++ b/sound/usb/proc.c @@ -61,11 +61,10 @@ static void proc_audio_usbid_read(struct snd_info_entry *entry, struct snd_info_ void snd_usb_audio_create_proc(struct snd_usb_audio *chip) { - struct snd_info_entry *entry; - if (!snd_card_proc_new(chip->card, "usbbus", &entry)) - snd_info_set_text_ops(entry, chip, proc_audio_usbbus_read); - if (!snd_card_proc_new(chip->card, "usbid", &entry)) - snd_info_set_text_ops(entry, chip, proc_audio_usbid_read); + snd_card_ro_proc_new(chip->card, "usbbus", chip, + proc_audio_usbbus_read); + snd_card_ro_proc_new(chip->card, "usbid", chip, + proc_audio_usbid_read); } /* @@ -167,12 +166,10 @@ static void proc_pcm_format_read(struct snd_info_entry *entry, struct snd_info_b void snd_usb_proc_pcm_format_add(struct snd_usb_stream *stream) { - struct snd_info_entry *entry; char name[32]; struct snd_card *card = stream->chip->card; sprintf(name, "stream%d", stream->pcm_index); - if (!snd_card_proc_new(card, name, &entry)) - snd_info_set_text_ops(entry, stream, proc_pcm_format_read); + snd_card_ro_proc_new(card, name, stream, proc_pcm_format_read); } -- cgit v1.2.3