ALSA: sbawe: fix memory detection
Memory amount is increased before a successful write-read
sequence is done. Thus, 512 kB of onboard memory is detected
on memoryless cards like SB32.
Move the increasing of memory counter after successful read
is done.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/isa/sb/emu8000.c b/sound/isa/sb/emu8000.c
index 96678d5..751762f 100644
--- a/sound/isa/sb/emu8000.c
+++ b/sound/isa/sb/emu8000.c
@@ -393,8 +393,6 @@
while (size < EMU8000_MAX_DRAM) {
- size += 512 * 1024; /* increment 512kbytes */
-
/* Write a unique data on the test address.
* if the address is out of range, the data is written on
* 0x200000(=EMU8000_DRAM_OFFSET). Then the id word is
@@ -414,7 +412,9 @@
/*snd_emu8000_read_wait(emu);*/
EMU8000_SMLD_READ(emu); /* discard stale data */
if (EMU8000_SMLD_READ(emu) != UNIQUE_ID2)
- break; /* we must have wrapped around */
+ break; /* no memory at this address */
+
+ size += 512 * 1024; /* increment 512kbytes */
snd_emu8000_read_wait(emu);