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authorKen Arromdee <arromdee@rahul.net>2006-02-09 13:50:26 +0100
committerJaroslav Kysela <perex@suse.cz>2006-03-22 10:28:58 +0100
commitd08a23e2509e8e80637b4dfa5607ea00b9151b0a (patch)
treec5bdea37ac173c092dd6db73ef519c4aad699d84 /sound
parent[ALSA] via82xx - Add dxs entry for FSC Amilo L7300 (diff)
downloadlinux-dev-d08a23e2509e8e80637b4dfa5607ea00b9151b0a.tar.xz
linux-dev-d08a23e2509e8e80637b4dfa5607ea00b9151b0a.zip
[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 '')
-rw-r--r--sound/isa/ad1816a/ad1816a_lib.c15
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,