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-rw-r--r--include/sound/mpu401.h1
1 files changed, 1 insertions, 0 deletions
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