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-rw-r--r--sound/drivers/mpu401/mpu401_uart.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/drivers/mpu401/mpu401_uart.c b/sound/drivers/mpu401/mpu401_uart.c
index 4608c2c..e3a90d0 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,
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