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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>
This commit is contained in:
Takashi Iwai 2008-09-03 16:00:44 +02:00 committed by Jaroslav Kysela
parent 7003609b3b
commit 2f5983f2aa
1 changed files with 24 additions and 14 deletions
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38
sound/pci/hda/hda_intel.c
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@ -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)