From: Eliot Blennerhassett eblennerhassett@audioscience.com
Sharing and not reinitialising static pcm_hardware struct resulted in stream format validity flags being incorrectly shared between cards. Fix and clarify by declaring locally and initialising in the open functions.
Signed-off-by: Eliot Blennerhassett eblennerhassett@audioscience.com --- sound/pci/asihpi/asihpi.c | 69 +++++++++++++++++++++----------------------- 1 files changed, 33 insertions(+), 36 deletions(-)
diff --git a/sound/pci/asihpi/asihpi.c b/sound/pci/asihpi/asihpi.c index 4aa8336..f462a58 100644 --- a/sound/pci/asihpi/asihpi.c +++ b/sound/pci/asihpi/asihpi.c @@ -938,15 +938,15 @@ snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream) return ptr; }
-static void snd_card_asihpi_playback_format(struct snd_card_asihpi *asihpi, - u32 h_stream, - struct snd_pcm_hardware *pcmhw) +static u64 snd_card_asihpi_playback_formats(struct snd_card_asihpi *asihpi, + u32 h_stream) { struct hpi_format hpi_format; u16 format; u16 err; u32 h_control; u32 sample_rate = 48000; + u64 formats = 0;
/* on cards without SRC, must query at valid rate, * maybe set by external sync @@ -966,32 +966,24 @@ static void snd_card_asihpi_playback_format(struct snd_card_asihpi *asihpi, if (!err) err = hpi_outstream_query_format(h_stream, &hpi_format); if (!err && (hpi_to_alsa_formats[format] != -1)) - pcmhw->formats |= (1ULL << hpi_to_alsa_formats[format]); + formats |= (1ULL << hpi_to_alsa_formats[format]); } + return formats; }
-static struct snd_pcm_hardware snd_card_asihpi_playback = { - .buffer_bytes_max = BUFFER_BYTES_MAX, - .period_bytes_min = PERIOD_BYTES_MIN, - .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN, - .periods_min = PERIODS_MIN, - .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN, - .fifo_size = 0, -}; - static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm; struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); + struct snd_pcm_hardware snd_card_asihpi_playback; int err;
dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); if (dpcm == NULL) return -ENOMEM;
- err = - hpi_outstream_open(card->hpi->adapter->index, + err = hpi_outstream_open(card->hpi->adapter->index, substream->number, &dpcm->h_stream); hpi_handle_error(err); if (err) @@ -1013,13 +1005,19 @@ static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream) runtime->private_data = dpcm; runtime->private_free = snd_card_asihpi_runtime_free;
- snd_card_asihpi_playback.channels_max = card->out_max_chans; - snd_card_asihpi_playback.channels_min = card->out_min_chans; + memset(&snd_card_asihpi_playback, 0, sizeof(snd_card_asihpi_playback)); + snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX; + snd_card_asihpi_playback.period_bytes_min = PERIOD_BYTES_MIN; /*?snd_card_asihpi_playback.period_bytes_min = card->out_max_chans * 4096; */ - - snd_card_asihpi_playback_format(card, dpcm->h_stream, - &snd_card_asihpi_playback); + snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN; + snd_card_asihpi_playback.periods_min = PERIODS_MIN; + snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN; + /* snd_card_asihpi_playback.fifo_size = 0; */ + snd_card_asihpi_playback.channels_max = card->out_max_chans; + snd_card_asihpi_playback.channels_min = card->out_min_chans; + snd_card_asihpi_playback.formats = + snd_card_asihpi_playback_formats(card, dpcm->h_stream);
snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback);
@@ -1116,15 +1114,15 @@ static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
-static void snd_card_asihpi_capture_format(struct snd_card_asihpi *asihpi, - u32 h_stream, - struct snd_pcm_hardware *pcmhw) +static u64 snd_card_asihpi_capture_formats(struct snd_card_asihpi *asihpi, + u32 h_stream) { struct hpi_format hpi_format; u16 format; u16 err; u32 h_control; u32 sample_rate = 48000; + u64 formats = 0;
/* on cards without SRC, must query at valid rate, maybe set by external sync */ @@ -1144,25 +1142,17 @@ static void snd_card_asihpi_capture_format(struct snd_card_asihpi *asihpi, if (!err) err = hpi_instream_query_format(h_stream, &hpi_format); if (!err) - pcmhw->formats |= (1ULL << hpi_to_alsa_formats[format]); + formats |= (1ULL << hpi_to_alsa_formats[format]); } + return formats; }
- -static struct snd_pcm_hardware snd_card_asihpi_capture = { - .buffer_bytes_max = BUFFER_BYTES_MAX, - .period_bytes_min = PERIOD_BYTES_MIN, - .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN, - .periods_min = PERIODS_MIN, - .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN, - .fifo_size = 0, -}; - static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); struct snd_card_asihpi_pcm *dpcm; + struct snd_pcm_hardware snd_card_asihpi_capture; int err;
dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); @@ -1189,10 +1179,17 @@ static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream) runtime->private_data = dpcm; runtime->private_free = snd_card_asihpi_runtime_free;
+ memset(&snd_card_asihpi_capture, 0, sizeof(snd_card_asihpi_capture)); + snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX; + snd_card_asihpi_capture.period_bytes_min = PERIOD_BYTES_MIN; + snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN; + snd_card_asihpi_capture.periods_min = PERIODS_MIN; + snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN; + /* snd_card_asihpi_capture.fifo_size = 0; */ snd_card_asihpi_capture.channels_max = card->in_max_chans; snd_card_asihpi_capture.channels_min = card->in_min_chans; - snd_card_asihpi_capture_format(card, dpcm->h_stream, - &snd_card_asihpi_capture); + snd_card_asihpi_capture.formats = + snd_card_asihpi_capture_formats(card, dpcm->h_stream); snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture); snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP |