+++ /dev/null
-From: Takashi Iwai <tiwai@suse.de>
-Subject: ALSA: hda - Fix and clean-up codec-probing
-Patch-mainline: 2.6.28-rc1
-References:
-
-Fixed and cleaned up the codec-probing code. The 4th slot is used
-for HDMI on some devices, and this patch allows to probe it as well.
-
-Signed-off-by: Takashi Iwai <tiwai@suse.de>
-
----
----
- sound/pci/hda/hda_intel.c | 41 +++++++++++++++++++++++++++--------------
- 1 file changed, 27 insertions(+), 14 deletions(-)
-
---- a/sound/pci/hda/hda_intel.c
-+++ b/sound/pci/hda/hda_intel.c
-@@ -223,9 +223,9 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO
- #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 */
-@@ -402,6 +402,7 @@ enum {
- AZX_DRIVER_ULI,
- AZX_DRIVER_NVIDIA,
- AZX_DRIVER_TERA,
-+ AZX_NUM_DRIVERS, /* keep this as last entry */
- };
-
- static char *driver_short_names[] __devinitdata = {
-@@ -1173,23 +1174,26 @@ static int azx_setup_controller(struct a
- * 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;
-@@ -1205,8 +1209,17 @@ static int __devinit azx_codec_create(st
- if (err < 0)
- return err;
-
-+ if (chip->driver_type == AZX_DRIVER_NVIDIA)
-+ chip->bus->needs_damn_long_delay = 1;
-+
- 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);
-@@ -1219,7 +1232,7 @@ static int __devinit azx_codec_create(st
- }
- 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)