[ALSA] es1968 - Fix conflict with ISA boards
Modules: ES1968 driver
Fix disablement of TDMA and legacy support to prevent confliction of
resources with ISA boards. Confirmed with Terratec DMX and CS4236.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index 240cf2b..9ffb600 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -176,7 +176,7 @@
/* Values for the ESM_LEGACY_AUDIO_CONTROL */
-#define ESS_ENABLE_AUDIO 0x8000
+#define ESS_DISABLE_AUDIO 0x8000
#define ESS_ENABLE_SERIAL_IRQ 0x4000
#define IO_ADRESS_ALIAS 0x0020
#define MPU401_IRQ_ENABLE 0x0010
@@ -195,7 +195,7 @@
#define DMA_TDMA 0x0100
#define DMA_PCPCI 0x0200
#define POST_WRITE 0x0080
-#define ISA_TIMING 0x0040
+#define PCI_TIMING 0x0040
#define SWAP_LR 0x0020
#define SUBTR_DECODE 0x0002
@@ -2193,14 +2193,11 @@
/* Config Reg A */
pci_read_config_word(pci, ESM_CONFIG_A, &w);
- /* Use TDMA for now. TDMA works on all boards, so while its
- * not the most efficient its the simplest. */
w &= ~DMA_CLEAR; /* Clear DMA bits */
- w |= DMA_TDMA; /* TDMA on */
w &= ~(PIC_SNOOP1 | PIC_SNOOP2); /* Clear Pic Snoop Mode Bits */
w &= ~SAFEGUARD; /* Safeguard off */
w |= POST_WRITE; /* Posted write */
- w |= ISA_TIMING; /* ISA timing on */
+ w |= PCI_TIMING; /* PCI timing on */
/* XXX huh? claims to be reserved.. */
w &= ~SWAP_LR; /* swap left/right
seems to only have effect on SB
@@ -2241,7 +2238,7 @@
pci_read_config_word(pci, ESM_LEGACY_AUDIO_CONTROL, &w);
- w &= ~ESS_ENABLE_AUDIO; /* Disable Legacy Audio */
+ w |= ESS_DISABLE_AUDIO; /* Disable Legacy Audio */
w &= ~ESS_ENABLE_SERIAL_IRQ; /* Disable SIRQ */
w &= ~(0x1f); /* disable mpu irq/io, game port, fm, SB */