Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c78c950d28df984e39ad028a90bcdadcd3eda3b6
Commit: c78c950d28df984e39ad028a90bcdadcd3eda3b6
Parent: 8992e18db32f5df55fd4b458def7dccd2a5c3266
Author: Clemens Ladisch <[EMAIL PROTECTED]>
AuthorDate: Mon Sep 3 09:55:49 2007 +0200
Committer: Jaroslav Kysela <[EMAIL PROTECTED]>
CommitDate: Tue Oct 16 15:59:44 2007 +0200
[ALSA] cmipci: do not check for integrated FM/MIDI ports with chip version
37
Integrated MPU-401/OPL3 ports are available with chip version 39 and
later, so we do not test for the port with version 37.
Now that the test is known to work, we can again enable the MIDI port by
default.
Signed-off-by: Clemens Ladisch <[EMAIL PROTECTED]>
Signed-off-by: Jaroslav Kysela <[EMAIL PROTECTED]>
---
Documentation/sound/alsa/ALSA-Configuration.txt | 3 +--
Documentation/sound/alsa/CMIPCI.txt | 13 +++++++------
sound/pci/cmipci.c | 6 +++---
3 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt
b/Documentation/sound/alsa/ALSA-Configuration.txt
index 38e7756..96bf25c 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -367,9 +367,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This
was removed.
Module for C-Media CMI8338/8738/8768/8770 PCI sound cards.
- mpu_port - port address of MIDI interface:
+ mpu_port - port address of MIDI interface (8338 only):
0x300,0x310,0x320,0x330 = legacy port,
- 1 = integrated PCI port (8738 or later),
0 = disable (default)
fm_port - port address of OPL-3 FM synthesizer (8x38 only):
0x388 = legacy port,
diff --git a/Documentation/sound/alsa/CMIPCI.txt
b/Documentation/sound/alsa/CMIPCI.txt
index 664be46..16935c8 100644
--- a/Documentation/sound/alsa/CMIPCI.txt
+++ b/Documentation/sound/alsa/CMIPCI.txt
@@ -209,12 +209,13 @@ In addition to the standard SB mixer, CM8x38 provides
more functions.
MIDI CONTROLLER
---------------
-The MPU401-UART interface is disabled as default. You need to set
-module option "mpu_port" with a valid I/O port address to enable the
-MIDI support. The valid I/O ports are 0x300, 0x310, 0x320 and 0x330.
-Choose the value which doesn't conflict with other cards. With
-CMI8738 and newer chips, you can use "mpu_port=1" to use a PCI port
-address that does not conflict with any other card.
+With CMI8338 chips, the MPU401-UART interface is disabled as default.
+You need to set the module option "mpu_port" to a valid I/O port address
+to enable MIDI support. Valid I/O ports are 0x300, 0x310, 0x320 and
+0x330. Choose a value that doesn't conflict with other cards.
+
+With CMI8738 and newer chips, the MIDI interface is enabled by default
+and the driver automatically chooses a port address.
There is _no_ hardware wavetable function on this chip (except for
OPL3 synth below).
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index af266eb..fdc4615 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -2798,7 +2798,7 @@ static int __devinit snd_cmipci_create_fm(struct cmipci
*cm, long fm_port)
if (!fm_port)
goto disable_fm;
- if (cm->chip_version > 33) {
+ if (cm->chip_version >= 39) {
/* first try FM regs in PCI port range */
iosynth = cm->iobase + CM_REG_FM_PCI;
err = snd_opl3_create(cm->card, iosynth, iosynth + 2,
@@ -2990,8 +2990,7 @@ static int __devinit snd_cmipci_create(struct snd_card
*card, struct pci_dev *pc
return err;
}
- val = 0;
- if (cm->chip_version > 33 && mpu_port[dev] == 1) {
+ if (cm->chip_version >= 39) {
val = snd_cmipci_read_b(cm, CM_REG_MPU_PCI + 1);
if (val != 0x00 && val != 0xff) {
iomidi = cm->iobase + CM_REG_MPU_PCI;
@@ -2999,6 +2998,7 @@ static int __devinit snd_cmipci_create(struct snd_card
*card, struct pci_dev *pc
}
}
if (!integrated_midi) {
+ val = 0;
iomidi = mpu_port[dev];
switch (iomidi) {
case 0x320: val = CM_VMPU_320; break;
-
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