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| author | Takashi Iwai <tiwai@suse.de> | 2008-09-03 18:00:44 +0400 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-09-09 11:10:49 +0400 |
| commit | 2f5983f2aaffbc92addc4ec378989a1c200cf3dd (patch) | |
| tree | 507a36327ceeb658e0ab055451ec9a64e7b63ae4 | |
| parent | 7003609b3bdf0336c742974bd1ad2d82ffb3b043 (diff) | |
| download | linux-2f5983f2aaffbc92addc4ec378989a1c200cf3dd.tar.xz | |
ALSA: hda - allow probing of 4 codecs
Allow probing of 4 codecs on known good situations.
On some known bad situations, it should be avoided.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 52a3adfac7f8..60cc44abf58f 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -222,9 +222,9 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 }; #define RIRB_INT_OVERRUN 0x04 #define RIRB_INT_MASK 0x05 -/* STATESTS int mask: SD2,SD1,SD0 */ -#define AZX_MAX_CODECS 3 -#define STATESTS_INT_MASK 0x07 +/* STATESTS int mask: S3,SD2,SD1,SD0 */ +#define AZX_MAX_CODECS 4 +#define STATESTS_INT_MASK 0x0f /* SD_CTL bits */ #define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */ @@ -410,6 +410,7 @@ enum { AZX_DRIVER_ULI, AZX_DRIVER_NVIDIA, AZX_DRIVER_TERA, + AZX_NUM_DRIVERS, /* keep this as last entry */ }; static char *driver_short_names[] __devinitdata = { @@ -1184,23 +1185,26 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev) * Codec initialization */ -static unsigned int azx_max_codecs[] __devinitdata = { - [AZX_DRIVER_ICH] = 4, /* Some ICH9 boards use SD3 */ - [AZX_DRIVER_SCH] = 3, - [AZX_DRIVER_ATI] = 4, - [AZX_DRIVER_ATIHDMI] = 4, - [AZX_DRIVER_VIA] = 3, /* FIXME: correct? */ - [AZX_DRIVER_SIS] = 3, /* FIXME: correct? */ - [AZX_DRIVER_ULI] = 3, /* FIXME: correct? */ - [AZX_DRIVER_NVIDIA] = 3, /* FIXME: correct? */ +/* number of codec slots for each chipset: 0 = default slots (i.e. 4) */ +static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = { [AZX_DRIVER_TERA] = 1, }; +/* number of slots to probe as default + * this can be different from azx_max_codecs[] -- e.g. some boards + * report wrongly the non-existing 4th slot availability + */ +static unsigned int azx_default_codecs[AZX_NUM_DRIVERS] __devinitdata = { + [AZX_DRIVER_ICH] = 3, + [AZX_DRIVER_ATI] = 3, +}; + static int __devinit azx_codec_create(struct azx *chip, const char *model, unsigned int codec_probe_mask) { struct hda_bus_template bus_temp; int c, codecs, audio_codecs, err; + int def_slots, max_slots; memset(&bus_temp, 0, sizeof(bus_temp)); bus_temp.private_data = chip; @@ -1217,7 +1221,13 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model, return err; codecs = audio_codecs = 0; - for (c = 0; c < AZX_MAX_CODECS; c++) { + max_slots = azx_max_codecs[chip->driver_type]; + if (!max_slots) + max_slots = AZX_MAX_CODECS; + def_slots = azx_default_codecs[chip->driver_type]; + if (!def_slots) + def_slots = max_slots; + for (c = 0; c < def_slots; c++) { if ((chip->codec_mask & (1 << c)) & codec_probe_mask) { struct hda_codec *codec; err = snd_hda_codec_new(chip->bus, c, &codec); @@ -1230,7 +1240,7 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model, } if (!audio_codecs) { /* probe additional slots if no codec is found */ - for (; c < azx_max_codecs[chip->driver_type]; c++) { + for (; c < max_slots; c++) { if ((chip->codec_mask & (1 << c)) & codec_probe_mask) { err = snd_hda_codec_new(chip->bus, c, NULL); if (err < 0) |