Signed-off-by: Andreas Mohr andi@lisas.de
Index: linux-2.6/sound/pci/azt3328.c =================================================================== --- linux-2.6.orig/sound/pci/azt3328.c 2010-12-27 14:29:16.686184335 -0500 +++ linux-2.6/sound/pci/azt3328.c 2010-12-27 14:29:18.816184335 -0500 @@ -294,6 +294,7 @@ MODULE_PARM_DESC(seqtimer_scaling, "Set
struct snd_azf3328_codec_data { unsigned long io_base; + unsigned int dma_base; /* helper to avoid an indirection in hotpath */ struct snd_pcm_substream *substream; bool running; const char *name; @@ -1165,14 +1166,17 @@ snd_azf3328_codec_setdmaa(struct snd_azf static int snd_azf3328_codec_prepare(struct snd_pcm_substream *substream) { -#if 0 - struct snd_azf3328 *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_azf3328_codec *codec = runtime->private_data; +#if 0 unsigned int size = snd_pcm_lib_buffer_bytes(substream); unsigned int count = snd_pcm_lib_period_bytes(substream); #endif
snd_azf3328_dbgcallenter(); + + codec->dma_base = runtime->dma_addr; + #if 0 snd_azf3328_codec_setfmt(chip, AZF_CODEC_..., runtime->rate, @@ -1370,18 +1374,17 @@ snd_azf3328_codec_pointer(struct snd_pcm { const struct snd_azf3328 *chip = snd_pcm_substream_chip(substream); const struct snd_azf3328_codec_data *codec = &chip->codecs[codec_type]; - unsigned long bufptr, result; + unsigned long result; snd_pcm_uframes_t frmres;
-#ifdef QUERY_HARDWARE - bufptr = snd_azf3328_codec_inl(codec, IDX_IO_CODEC_DMA_START_1); -#else - bufptr = substream->runtime->dma_addr; -#endif result = snd_azf3328_codec_inl(codec, IDX_IO_CODEC_DMA_CURRPOS);
/* calculate offset */ - result -= bufptr; +#ifdef QUERY_HARDWARE + result -= snd_azf3328_codec_inl(codec, IDX_IO_CODEC_DMA_START_1); +#else + result -= codec->dma_base; +#endif frmres = bytes_to_frames( substream->runtime, result); snd_azf3328_dbgcodec("%08li %s @ 0x%8lx, frames %8ld\n", jiffies, codec->name, result, frmres);
--