From: Pavel Hofman pavel.hofman@ivitera.com
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
diff --git a/sound/pci/ice1712/envy24ht.h b/sound/pci/ice1712/envy24ht.h index a0c5e00..4ca33a8 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 9e18d3a..e797823 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;