From eb7c06e8e9c93b495e355421cffd3c43c266d7d2 Mon Sep 17 00:00:00 2001 From: Yacine Belkadi Date: Mon, 11 Mar 2013 22:05:14 +0100 Subject: ALSA: add/change some comments describing function return values script/kernel-doc reports the following type of warnings (when run in verbose mode): Warning(sound/core/init.c:152): No description found for return value of 'snd_card_create' To fix that: - add missing descriptions of function return values - use "Return:" sections to describe those return values Along the way: - complete some descriptions - fix some typos Signed-off-by: Yacine Belkadi Signed-off-by: Takashi Iwai --- sound/drivers/mpu401/mpu401_uart.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'sound/drivers/mpu401/mpu401_uart.c') diff --git a/sound/drivers/mpu401/mpu401_uart.c b/sound/drivers/mpu401/mpu401_uart.c index 4608c2ca43f8..e3a90d043f03 100644 --- a/sound/drivers/mpu401/mpu401_uart.c +++ b/sound/drivers/mpu401/mpu401_uart.c @@ -129,6 +129,8 @@ static void _snd_mpu401_uart_interrupt(struct snd_mpu401 *mpu) * @dev_id: mpu401 instance * * Processes the interrupt for MPU401-UART i/o. + * + * Return: %IRQ_HANDLED if the interrupt was handled. %IRQ_NONE otherwise. */ irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id) { @@ -148,6 +150,8 @@ EXPORT_SYMBOL(snd_mpu401_uart_interrupt); * @dev_id: mpu401 instance * * Processes the interrupt for MPU401-UART output. + * + * Return: %IRQ_HANDLED if the interrupt was handled. %IRQ_NONE otherwise. */ irqreturn_t snd_mpu401_uart_interrupt_tx(int irq, void *dev_id) { @@ -519,7 +523,7 @@ static void snd_mpu401_uart_free(struct snd_rawmidi *rmidi) * not the mpu401 instance itself. To access to the mpu401 instance, * cast from rawmidi->private_data (with struct snd_mpu401 magic-cast). * - * Returns zero if successful, or a negative error code. + * Return: Zero if successful, or a negative error code. */ int snd_mpu401_uart_new(struct snd_card *card, int device, unsigned short hardware, -- cgit v1.2.3