Messages in this thread Patch in this message | | | From | Rodolfo Giometti <> | Date | Wed, 30 Apr 2008 11:27:18 +0200 | Subject | [PATCH] [ALSA] ice1724 - support for more that one codec. |
| |
Now it's possible to specify how many codes are present on the board by using a new filed as follow:
ice->ac97_codecs = 4;
For backward compatibility if "ice->ac97_codecs" is set to zero, the patch redefines it as "1".
Signed-off-by: Rodolfo Giometti <giometti@linux.it> --- sound/pci/ice1712/ice1712.c | 37 +++++++++++++++++++++++++------------ sound/pci/ice1712/ice1712.h | 1 + 2 files changed, 26 insertions(+), 12 deletions(-)
diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c index 6630a0a..f78c724 100644 --- a/sound/pci/ice1712/ice1712.c +++ b/sound/pci/ice1712/ice1712.c @@ -221,7 +221,7 @@ static void snd_ice1712_pro_ac97_write(struct snd_ac97 *ac97, outb(reg, ICEMT(ice, AC97_INDEX)); outw(val, ICEMT(ice, AC97_DATA)); old_cmd &= ~(ICE1712_AC97_PBK_VSR | ICE1712_AC97_CAP_VSR); - outb(old_cmd | ICE1712_AC97_WRITE, ICEMT(ice, AC97_CMD)); + outb(old_cmd | ac97->num | ICE1712_AC97_WRITE, ICEMT(ice, AC97_CMD)); for (tm = 0; tm < 0x10000; tm++) if ((inb(ICEMT(ice, AC97_CMD)) & ICE1712_AC97_WRITE) == 0) break; @@ -244,7 +244,7 @@ static unsigned short snd_ice1712_pro_ac97_read(struct snd_ac97 *ac97, break; } outb(reg, ICEMT(ice, AC97_INDEX)); - outb(old_cmd | ICE1712_AC97_READ, ICEMT(ice, AC97_CMD)); + outb(old_cmd | ac97->num | ICE1712_AC97_READ, ICEMT(ice, AC97_CMD)); for (tm = 0; tm < 0x10000; tm++) if ((inb(ICEMT(ice, AC97_CMD)) & ICE1712_AC97_READ) == 0) break; @@ -1504,7 +1504,7 @@ static void snd_ice1712_mixer_free_ac97(struct snd_ac97 *ac97) static int __devinit snd_ice1712_ac97_mixer(struct snd_ice1712 * ice) { - int err, bus_num = 0; + int err, codec, bus_num = 0; struct snd_ac97_template ac97; struct snd_ac97_bus *pbus; static struct snd_ac97_bus_ops con_ops = { @@ -1532,15 +1532,28 @@ static int __devinit snd_ice1712_ac97_mixer(struct snd_ice1712 * ice) } if (! (ice->eeprom.data[ICE_EEP1_ACLINK] & ICE1712_CFG_PRO_I2S)) { - if ((err = snd_ac97_bus(ice->card, bus_num, &pro_ops, NULL, &pbus)) < 0) - return err; - memset(&ac97, 0, sizeof(ac97)); - ac97.private_data = ice; - ac97.private_free = snd_ice1712_mixer_free_ac97; - if ((err = snd_ac97_mixer(pbus, &ac97, &ice->ac97)) < 0) - printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n"); - else - return 0; + /* Backward compatibility */ + if (!ice->ac97_codecs) + ice->ac97_codecs = 1; + + for (codec = 0; codec < ice->ac97_codecs; codec++) { + /* Sanity check */ + if (codec >= 4) { + printk(KERN_WARNING "ice1712: too much pro ac97 codes (max = %d), skipped\n", codec); + break; + } + + if ((err = snd_ac97_bus(ice->card, bus_num++, &pro_ops, NULL, &pbus)) < 0) + return err; + memset(&ac97, 0, sizeof(ac97)); + ac97.num = codec; + ac97.private_data = ice; + ac97.private_free = snd_ice1712_mixer_free_ac97; + if ((err = snd_ac97_mixer(pbus, &ac97, &ice->ac97)) < 0) + printk(KERN_WARNING "ice1712: cannot initialize pro ac97 #%d, skipped\n", codec); + } + + return 0; } /* I2S mixer only */ strcat(ice->card->mixername, "ICE1712 - multitrack"); diff --git a/sound/pci/ice1712/ice1712.h b/sound/pci/ice1712/ice1712.h index 6ac486d..59047ad 100644 --- a/sound/pci/ice1712/ice1712.h +++ b/sound/pci/ice1712/ice1712.h @@ -335,6 +335,7 @@ struct snd_ice1712 { unsigned int force_rdma1: 1; /* VT1720/4 - RDMA1 as non-spdif */ unsigned int num_total_dacs; /* total DACs */ unsigned int num_total_adcs; /* total ADCs */ + unsigned int ac97_codecs; /* total pro AC97 codecs */ unsigned int cur_rate; /* current rate */ struct mutex open_mutex; -- 1.5.3.6
| |