diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2015-01-12 10:51:13 +0100 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2015-01-12 10:51:13 +0100 |
commit | 2f5eaf66e580f64032b365a00157b6b58c266b37 (patch) | |
tree | 7852017c864f0eb3833782e2a017952bd8531458 /sound/core/init.c | |
parent | c291ee622165cb2c8d4e7af63fffd499354a23be (diff) | |
parent | 91d1179212161f220938198b742c328ad38fd0a3 (diff) |
Merge tag 'irqchip-urgent-3.19' of git://git.infradead.org/users/jcooper/linux into irq/urgent
irqchip urgent fixes for v3.19 from Jason Cooper
- mtk-sysirq: Fix error handling
- hip04: Fix cpu map for 16bit value
- gic-v3-its: Clear a warning regarding decimal constants
- omap-intc: Fix legacy DMA regression
- atmel-aic-common: Retain priority when changing type
Diffstat (limited to 'sound/core/init.c')
-rw-r--r-- | sound/core/init.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/sound/core/init.c b/sound/core/init.c index 7bdfd19e24a..074875d68c1 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -438,17 +438,6 @@ int snd_card_disconnect(struct snd_card *card) EXPORT_SYMBOL(snd_card_disconnect); -/** - * snd_card_free - frees given soundcard structure - * @card: soundcard structure - * - * This function releases the soundcard structure and the all assigned - * devices automatically. That is, you don't have to release the devices - * by yourself. - * - * Return: Zero. Frees all associated devices and frees the control - * interface associated to given soundcard. - */ static int snd_card_do_free(struct snd_card *card) { #if IS_ENABLED(CONFIG_SND_MIXER_OSS) @@ -469,6 +458,15 @@ static int snd_card_do_free(struct snd_card *card) return 0; } +/** + * snd_card_free_when_closed - Disconnect the card, free it later eventually + * @card: soundcard structure + * + * Unlike snd_card_free(), this function doesn't try to release the card + * resource immediately, but tries to disconnect at first. When the card + * is still in use, the function returns before freeing the resources. + * The card resources will be freed when the refcount gets to zero. + */ int snd_card_free_when_closed(struct snd_card *card) { int ret = snd_card_disconnect(card); @@ -479,6 +477,19 @@ int snd_card_free_when_closed(struct snd_card *card) } EXPORT_SYMBOL(snd_card_free_when_closed); +/** + * snd_card_free - frees given soundcard structure + * @card: soundcard structure + * + * This function releases the soundcard structure and the all assigned + * devices automatically. That is, you don't have to release the devices + * by yourself. + * + * This function waits until the all resources are properly released. + * + * Return: Zero. Frees all associated devices and frees the control + * interface associated to given soundcard. + */ int snd_card_free(struct snd_card *card) { struct completion released; |