From 8f7ba051d2abb3d3bde9b95e47246c60b704d2b4 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 22 Feb 2007 16:07:21 +0100 Subject: [ALSA] mpu401 - Add MPU401_INFO_UART_ONLY bitflag Added MPU401_INFO_UART_ONLY bitflag to avoid issueing UART_ENTER command at opening streams. Some devices support only UART mode and give errors to UART_ENTER. A new module option, uart_enter, is added to snd-mpu401 driver. For UART-only devices, set uart_enter=0. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/mpu401.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/sound') diff --git a/include/sound/mpu401.h b/include/sound/mpu401.h index 8c88267e9bea..d5c1396c4c9e 100644 --- a/include/sound/mpu401.h +++ b/include/sound/mpu401.h @@ -50,6 +50,7 @@ #define MPU401_INFO_INTEGRATED (1 << 2) /* integrated h/w port */ #define MPU401_INFO_MMIO (1 << 3) /* MMIO access */ #define MPU401_INFO_TX_IRQ (1 << 4) /* independent TX irq */ +#define MPU401_INFO_UART_ONLY (1 << 5) /* No ENTER_UART cmd needed */ #define MPU401_MODE_BIT_INPUT 0 #define MPU401_MODE_BIT_OUTPUT 1 -- cgit v1.2.3-59-g8ed1b