ALSA: ice1712: Correcting/completing #defines for REGS

This small patch completes #defines for Control/Status Register,
adds comments for the missing ones there and on the Interrupt Mask
Register and additionally corrects "#define ICE1712_SERR_LEVEL 0x04 -> 0x08",
according to documentation.

Signed-off-by: Konstantinos Tsimpoukas <kostaslinuxxx@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/ice1712/ice1712.h b/sound/pci/ice1712/ice1712.h
index b209fc30b334b455c7a83701f1f5b398de4881e4..58f8f2ae758db3d1c090b9d7b7ea8183ad679f69 100644 (file)
--- a/sound/pci/ice1712/ice1712.h
+++ b/sound/pci/ice1712/ice1712.h
@@ -41,14 +41,17 @@
 #define ICEREG(ice, x) ((ice)->port + ICE1712_REG_##x)
 
 #define ICE1712_REG_CONTROL            0x00    /* byte */
-#define   ICE1712_RESET                        0x80    /* reset whole chip */
-#define   ICE1712_SERR_LEVEL           0x04    /* SERR# level otherwise edge */
+#define   ICE1712_RESET                        0x80    /* soft reset whole chip */
+#define   ICE1712_SERR_ASSERT_DS_DMA   0x40    /* disabled SERR# assertion for the DS DMA Ch-C irq otherwise enabled */
+#define   ICE1712_DOS_VOL              0x10    /* DOS WT/FM volume control */
+#define   ICE1712_SERR_LEVEL           0x08    /* SERR# level otherwise edge */
+#define   ICE1712_SERR_ASSERT_SB       0x02    /* disabled SERR# assertion for SB irq otherwise enabled */
 #define   ICE1712_NATIVE               0x01    /* native mode otherwise SB */
 #define ICE1712_REG_IRQMASK            0x01    /* byte */
-#define   ICE1712_IRQ_MPU1             0x80
-#define   ICE1712_IRQ_TIMER            0x40
-#define   ICE1712_IRQ_MPU2             0x20
-#define   ICE1712_IRQ_PROPCM           0x10
+#define   ICE1712_IRQ_MPU1             0x80    /* MIDI irq mask */
+#define   ICE1712_IRQ_TIMER            0x40    /* Timer mask */
+#define   ICE1712_IRQ_MPU2             0x20    /* Secondary MIDI irq mask */
+#define   ICE1712_IRQ_PROPCM           0x10    /* professional multi-track */
 #define   ICE1712_IRQ_FM               0x08    /* FM/MIDI - legacy */
 #define   ICE1712_IRQ_PBKDS            0x04    /* playback DS channels */
 #define   ICE1712_IRQ_CONCAP           0x02    /* consumer capture */