[PATCH] powerpc: Fix sound driver use of i2c

The PowerMac sound drivers used to rely on a "bug" of the i2c-keywest
driver that implemented I2C_SMBUS_BLOCK_DATA incorrectly, that is it did
what I2C_SMBUS_I2C_BLOCK_DATA should have done. The new i2c-powermac
driver that replaces keywest has this bug fixed, thus the sound drivers
must be fixed too.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index 4988f873a7ba..aa57170101fd 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -66,7 +66,7 @@ static int snd_pmac_dbdma_alloc(struct snd_pmac *chip, struct pmac_dbdma *rec, i
 
 static void snd_pmac_dbdma_free(struct snd_pmac *chip, struct pmac_dbdma *rec)
 {
-        if (rec) {
+        if (rec->space) {
                 unsigned int rsize = sizeof(struct dbdma_cmd) * (rec->size + 1);
 
                 dma_free_coherent(&chip->pdev->dev, rsize, rec->space, rec->dma_base);
@@ -881,6 +881,7 @@ static int __init snd_pmac_detect(struct snd_pmac *chip)
         chip->can_capture = 1;
         chip->num_freqs = ARRAY_SIZE(awacs_freqs);
         chip->freq_table = awacs_freqs;
+        chip->pdev = NULL;
 
         chip->control_mask = MASK_IEPC | MASK_IEE | 0x11; /* default */