ymfpci bugfix

[Pete Zaitcev <zaitcev@redhat.com>]

Hi, Marcelo:

In a true display of "never say never" case, here is an unanticipated
bugfix for ymfpci in 2.4 (RH Bug 56977). It applies on top and/or
independently from other 2.4 fixes (perhaps with offset to 41 lines).

Thanks,
-- Pete

--- linux-2.4.16/drivers/sound/ymfpci.c	Mon Nov 19 14:53:19 2001
+++ linux-2.4.16-niph/drivers/sound/ymfpci.c	Fri Dec  7 23:52:39 2001
@@ -2162,12 +2203,15 @@
 {
 	u8 cmd;
 
+	/*
+	 * In the 744, 754 only 0x01 exists, 0x02 is undefined.
+	 * It does not seem to hurt to trip both regardless of revision.
+	 */
 	pci_read_config_byte(pci, PCIR_DSXGCTRL, &cmd);
-	if (cmd & 0x03) {
-		pci_write_config_byte(pci, PCIR_DSXGCTRL, cmd & 0xfc);
-		pci_write_config_byte(pci, PCIR_DSXGCTRL, cmd | 0x03);
-		pci_write_config_byte(pci, PCIR_DSXGCTRL, cmd & 0xfc);
-	}
+	pci_write_config_byte(pci, PCIR_DSXGCTRL, cmd & 0xfc);
+	pci_write_config_byte(pci, PCIR_DSXGCTRL, cmd | 0x03);
+	pci_write_config_byte(pci, PCIR_DSXGCTRL, cmd & 0xfc);
+
 	pci_write_config_word(pci, PCIR_DSXPWRCTRL1, 0);
 	pci_write_config_word(pci, PCIR_DSXPWRCTRL2, 0);
 }