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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 10:13:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 10:13:38 -0700 |
| commit | fc8a327db6c46de783b1a4276d846841b9abc24c (patch) | |
| tree | bee512c142cccea93511debd98ef954581693727 /sound/core/control.c | |
| parent | 92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0 (diff) | |
| parent | 24837e6f249a2c83667552e6871c1543b4a6b934 (diff) | |
Merge branch 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
* 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa: (264 commits)
[ALSA] version 1.0.15
[ALSA] Fix thinko in cs4231 mce down check
[ALSA] sun-cs4231: improved waiting after MCE down
[ALSA] sun-cs4231: use cs4231-regs.h
[ALSA] This simplifies and fixes waiting loops of the mce_down()
[ALSA] This patch adds support for a wavetable chip on
[ALSA] This patch removes open_mutex from the ad1848-lib as
[ALSA] fix bootup crash in snd_gus_interrupt()
[ALSA] hda-codec - Fix SKU ID function for realtek codecs
[ALSA] Support ASUS P701 eeepc [0x1043 0x82a1] support
[ALSA] hda-codec - Add array terminator for dmic in STAC codec
[ALSA] hdsp - Fix zero division
[ALSA] usb-audio - Fix double comment
[ALSA] hda-codec - Fix STAC922x volume knob control
[ALSA] Changed Jaroslav Kysela's e-mail from perex@suse.cz to perex@perex.cz
[ALSA] hda-codec - Fix for Fujitsu Lifebook C1410
[ALSA] mpu-401: remove MPU401_INFO_UART_ONLY flag
[ALSA] mpu-401: do not require an ACK byte for the ENTER_UART command
[ALSA] via82xx - Add DXS quirk for Shuttle AK31v2
[ALSA] hda-codec - Fix input_mux numbers for vaio stac92xx
...
Diffstat (limited to 'sound/core/control.c')
| -rw-r--r-- | sound/core/control.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/sound/core/control.c b/sound/core/control.c index 1f1ab9c1b66..4c3aa8e1037 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1,6 +1,6 @@ /* * Routines for driver control interface - * Copyright (c) by Jaroslav Kysela <perex@suse.cz> + * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * * * This program is free software; you can redistribute it and/or modify @@ -716,8 +716,6 @@ int snd_ctl_elem_read(struct snd_card *card, struct snd_ctl_elem_value *control) return result; } -EXPORT_SYMBOL(snd_ctl_elem_read); - static int snd_ctl_elem_read_user(struct snd_card *card, struct snd_ctl_elem_value __user *_control) { @@ -781,8 +779,6 @@ int snd_ctl_elem_write(struct snd_card *card, struct snd_ctl_file *file, return result; } -EXPORT_SYMBOL(snd_ctl_elem_write); - static int snd_ctl_elem_write_user(struct snd_ctl_file *file, struct snd_ctl_elem_value __user *_control) { @@ -1486,3 +1482,30 @@ int snd_ctl_create(struct snd_card *card) snd_assert(card != NULL, return -ENXIO); return snd_device_new(card, SNDRV_DEV_CONTROL, card, &ops); } + +/* + * Frequently used control callbacks + */ +int snd_ctl_boolean_mono_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1; + return 0; +} + +EXPORT_SYMBOL(snd_ctl_boolean_mono_info); + +int snd_ctl_boolean_stereo_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1; + return 0; +} + +EXPORT_SYMBOL(snd_ctl_boolean_stereo_info); |