diff options
| author | Pavel Hofman <pavel.hofman@ivitera.com> | 2012-01-10 20:45:28 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-01-11 08:56:59 +0100 |
| commit | ffd364ddd3090e2ef0d4882970c1e342db8b482f (patch) | |
| tree | e5a79a085725f3c3fea5a4465f5e6c33fdc2dffc /sound | |
| parent | f7de8ba3fcf19487d2f0af9aee0c510fc79efa15 (diff) | |
| download | lwn-ffd364ddd3090e2ef0d4882970c1e342db8b482f.tar.gz lwn-ffd364ddd3090e2ef0d4882970c1e342db8b482f.zip | |
ALSA: ice1724 - Create capture pcm only for ADC-enabled configurations
Add the capture pcm only if there is at least one ADC configured in
the SYSCONF register.
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/ice1712/envy24ht.h | 1 | ||||
| -rw-r--r-- | sound/pci/ice1712/ice1724.c | 13 |
2 files changed, 11 insertions, 3 deletions
diff --git a/sound/pci/ice1712/envy24ht.h b/sound/pci/ice1712/envy24ht.h index a0c5e009bb4a..4ca33a800bc8 100644 --- a/sound/pci/ice1712/envy24ht.h +++ b/sound/pci/ice1712/envy24ht.h @@ -66,6 +66,7 @@ enum { #define VT1724_CFG_CLOCK384 0x40 /* 16.9344Mhz, 44.1kHz*384 */ #define VT1724_CFG_MPU401 0x20 /* MPU401 UARTs */ #define VT1724_CFG_ADC_MASK 0x0c /* one, two or one and S/PDIF, stereo ADCs */ +#define VT1724_CFG_ADC_NONE 0x0c /* no ADCs */ #define VT1724_CFG_DAC_MASK 0x03 /* one, two, three, four stereo DACs */ #define VT1724_REG_AC97_CFG 0x05 /* byte */ diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 9e18d3a3f038..e797823ddc3a 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -1117,14 +1117,21 @@ static struct snd_pcm_ops snd_vt1724_capture_pro_ops = { static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device) { struct snd_pcm *pcm; - int err; + int capt, err; - err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm); + if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) == + VT1724_CFG_ADC_NONE) + capt = 0; + else + capt = 1; + err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm); if (err < 0) return err; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops); + if (capt) + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, + &snd_vt1724_capture_pro_ops); pcm->private_data = ice; pcm->info_flags = 0; |