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>
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@ -222,9 +222,9 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
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#define RIRB_INT_OVERRUN 0x04
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#define RIRB_INT_MASK 0x05
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/* STATESTS int mask: SD2,SD1,SD0 */
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#define AZX_MAX_CODECS 3
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#define STATESTS_INT_MASK 0x07
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/* STATESTS int mask: S3,SD2,SD1,SD0 */
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#define AZX_MAX_CODECS 4
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#define STATESTS_INT_MASK 0x0f
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/* SD_CTL bits */
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#define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
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@ -410,6 +410,7 @@ enum {
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AZX_DRIVER_ULI,
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AZX_DRIVER_NVIDIA,
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AZX_DRIVER_TERA,
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AZX_NUM_DRIVERS, /* keep this as last entry */
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};
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static char *driver_short_names[] __devinitdata = {
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@ -1184,23 +1185,26 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
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* Codec initialization
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*/
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static unsigned int azx_max_codecs[] __devinitdata = {
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[AZX_DRIVER_ICH] = 4, /* Some ICH9 boards use SD3 */
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[AZX_DRIVER_SCH] = 3,
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[AZX_DRIVER_ATI] = 4,
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[AZX_DRIVER_ATIHDMI] = 4,
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[AZX_DRIVER_VIA] = 3, /* FIXME: correct? */
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[AZX_DRIVER_SIS] = 3, /* FIXME: correct? */
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[AZX_DRIVER_ULI] = 3, /* FIXME: correct? */
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[AZX_DRIVER_NVIDIA] = 3, /* FIXME: correct? */
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/* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
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static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = {
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[AZX_DRIVER_TERA] = 1,
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};
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/* number of slots to probe as default
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* this can be different from azx_max_codecs[] -- e.g. some boards
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* report wrongly the non-existing 4th slot availability
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*/
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static unsigned int azx_default_codecs[AZX_NUM_DRIVERS] __devinitdata = {
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[AZX_DRIVER_ICH] = 3,
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[AZX_DRIVER_ATI] = 3,
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};
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static int __devinit azx_codec_create(struct azx *chip, const char *model,
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unsigned int codec_probe_mask)
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{
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struct hda_bus_template bus_temp;
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int c, codecs, audio_codecs, err;
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int def_slots, max_slots;
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memset(&bus_temp, 0, sizeof(bus_temp));
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bus_temp.private_data = chip;
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@ -1217,7 +1221,13 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model,
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return err;
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codecs = audio_codecs = 0;
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for (c = 0; c < AZX_MAX_CODECS; c++) {
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max_slots = azx_max_codecs[chip->driver_type];
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if (!max_slots)
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max_slots = AZX_MAX_CODECS;
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def_slots = azx_default_codecs[chip->driver_type];
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if (!def_slots)
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def_slots = max_slots;
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for (c = 0; c < def_slots; c++) {
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if ((chip->codec_mask & (1 << c)) & codec_probe_mask) {
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struct hda_codec *codec;
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err = snd_hda_codec_new(chip->bus, c, &codec);
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@ -1230,7 +1240,7 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model,
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}
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if (!audio_codecs) {
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/* probe additional slots if no codec is found */
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for (; c < azx_max_codecs[chip->driver_type]; c++) {
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for (; c < max_slots; c++) {
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if ((chip->codec_mask & (1 << c)) & codec_probe_mask) {
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err = snd_hda_codec_new(chip->bus, c, NULL);
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if (err < 0)
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