diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 6 | ||||
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 60 |
2 files changed, 49 insertions, 17 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 208a3341ec20..0d1566a39965 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -531,6 +531,12 @@ int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, bus->caddr_tbl[codec_addr] = codec; codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_VENDOR_ID); + if (codec->vendor_id == -1) + /* read again, hopefully the access method was corrected + * in the last read... + */ + codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, + AC_PAR_VENDOR_ID); codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_SUBSYSTEM_ID); codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_REV_ID); diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index dbed2644a192..016fbc263e55 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -446,8 +446,8 @@ static void azx_free_cmd_io(struct azx *chip) } /* send a command */ -static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid, int direct, - unsigned int verb, unsigned int para) +static int azx_corb_send_cmd(struct hda_codec *codec, hda_nid_t nid, int direct, + unsigned int verb, unsigned int para) { struct azx *chip = codec->bus->private_data; unsigned int wp; @@ -503,18 +503,21 @@ static void azx_update_rirb(struct azx *chip) } /* receive a response */ -static unsigned int azx_get_response(struct hda_codec *codec) +static unsigned int azx_rirb_get_response(struct hda_codec *codec) { struct azx *chip = codec->bus->private_data; int timeout = 50; while (chip->rirb.cmds) { if (! --timeout) { - if (printk_ratelimit()) - snd_printk(KERN_ERR - "azx_get_response timeout\n"); + snd_printk(KERN_ERR + "hda_intel: azx_get_response timeout, " + "switching to single_cmd mode...\n"); chip->rirb.rp = azx_readb(chip, RIRBWP); chip->rirb.cmds = 0; + /* switch to single_cmd mode */ + chip->single_cmd = 1; + azx_free_cmd_io(chip); return -1; } msleep(1); @@ -578,6 +581,36 @@ static unsigned int azx_single_get_response(struct hda_codec *codec) return (unsigned int)-1; } +/* + * The below are the main callbacks from hda_codec. + * + * They are just the skeleton to call sub-callbacks according to the + * current setting of chip->single_cmd. + */ + +/* send a command */ +static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid, + int direct, unsigned int verb, + unsigned int para) +{ + struct azx *chip = codec->bus->private_data; + if (chip->single_cmd) + return azx_single_send_cmd(codec, nid, direct, verb, para); + else + return azx_corb_send_cmd(codec, nid, direct, verb, para); +} + +/* get a response */ +static unsigned int azx_get_response(struct hda_codec *codec) +{ + struct azx *chip = codec->bus->private_data; + if (chip->single_cmd) + return azx_single_get_response(codec); + else + return azx_rirb_get_response(codec); +} + + /* reset codec link */ static int azx_reset(struct azx *chip) { @@ -900,13 +933,8 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model) bus_temp.private_data = chip; bus_temp.modelname = model; bus_temp.pci = chip->pci; - if (chip->single_cmd) { - bus_temp.ops.command = azx_single_send_cmd; - bus_temp.ops.get_response = azx_single_get_response; - } else { - bus_temp.ops.command = azx_send_cmd; - bus_temp.ops.get_response = azx_get_response; - } + bus_temp.ops.command = azx_send_cmd; + bus_temp.ops.get_response = azx_get_response; if ((err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus)) < 0) return err; @@ -1308,8 +1336,7 @@ static int azx_suspend(struct pci_dev *pci, pm_message_t state) for (i = 0; i < chip->pcm_devs; i++) snd_pcm_suspend_all(chip->pcm[i]); snd_hda_suspend(chip->bus, state); - if (! chip->single_cmd) - azx_free_cmd_io(chip); + azx_free_cmd_io(chip); pci_disable_device(pci); pci_save_state(pci); return 0; @@ -1347,8 +1374,7 @@ static int azx_free(struct azx *chip) azx_int_clear(chip); /* disable CORB/RIRB */ - if (! chip->single_cmd) - azx_free_cmd_io(chip); + azx_free_cmd_io(chip); /* disable position buffer */ azx_writel(chip, DPLBASE, 0); |