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| author | Ken Arromdee <arromdee@rahul.net> | 2006-02-09 13:50:26 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-03-22 10:28:58 +0100 |
| commit | d08a23e2509e8e80637b4dfa5607ea00b9151b0a (patch) | |
| tree | c5bdea37ac173c092dd6db73ef519c4aad699d84 /sound | |
| parent | bd84b0cc99d267d6512f01a55af7dbb673f784af (diff) | |
| download | linux-d08a23e2509e8e80637b4dfa5607ea00b9151b0a.tar.bz2 | |
[ALSA] ad1816a - Fix PCM trigger direction
Modules: AD1816A driver
Fixed the bug of capture with Shark Predator ISA resulting in:
arecord: pcm_read:1196: read error: Input/output error
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/isa/ad1816a/ad1816a_lib.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/sound/isa/ad1816a/ad1816a_lib.c b/sound/isa/ad1816a/ad1816a_lib.c index ac0d808fff57..fd8fe16c09ee 100644 --- a/sound/isa/ad1816a/ad1816a_lib.c +++ b/sound/isa/ad1816a/ad1816a_lib.c @@ -1,4 +1,3 @@ - /* ad1816a.c - lowlevel code for Analog Devices AD1816A chip. Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it> @@ -175,7 +174,7 @@ static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode) static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what, - int channel, int cmd) + int channel, int cmd, int iscapture) { int error = 0; @@ -184,10 +183,14 @@ static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what, case SNDRV_PCM_TRIGGER_STOP: spin_lock(&chip->lock); cmd = (cmd == SNDRV_PCM_TRIGGER_START) ? 0xff: 0x00; - if (what & AD1816A_PLAYBACK_ENABLE) + /* if (what & AD1816A_PLAYBACK_ENABLE) */ + /* That is not valid, because playback and capture enable + * are the same bit pattern, just to different addresses + */ + if (! iscapture) snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, AD1816A_PLAYBACK_ENABLE, cmd); - if (what & AD1816A_CAPTURE_ENABLE) + else snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, AD1816A_CAPTURE_ENABLE, cmd); spin_unlock(&chip->lock); @@ -204,14 +207,14 @@ static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE, - SNDRV_PCM_STREAM_PLAYBACK, cmd); + SNDRV_PCM_STREAM_PLAYBACK, cmd, 0); } static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE, - SNDRV_PCM_STREAM_CAPTURE, cmd); + SNDRV_PCM_STREAM_CAPTURE, cmd, 1); } static int snd_ad1816a_hw_params(struct snd_pcm_substream *substream, |