Merge branch 'topic/hda-stac-fix' into topic/hda
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index a4f3a22..ee45454 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -757,6 +757,8 @@
model - force the model name
position_fix - Fix DMA pointer (0 = auto, 1 = use LPIB, 2 = POSBUF)
probe_mask - Bitmask to probe codecs (default = -1, meaning all slots)
+ probe_only - Only probing and no codec initialization (default=off);
+ Useful to check the initial codec status for debugging
bdl_pos_adj - Specifies the DMA IRQ timing delay in samples.
Passing -1 will make the driver to choose the appropriate
value based on the controller chip.
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 625fe59..e16cf63 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -709,7 +709,7 @@
* Returns 0 if successful, or a negative error code.
*/
int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
- struct hda_codec **codecp)
+ int do_init, struct hda_codec **codecp)
{
struct hda_codec *codec;
char component[31];
@@ -793,10 +793,12 @@
if (bus->modelname)
codec->modelname = kstrdup(bus->modelname, GFP_KERNEL);
- err = snd_hda_codec_configure(codec);
- if (err < 0) {
- snd_hda_codec_free(codec);
- return err;
+ if (do_init) {
+ err = snd_hda_codec_configure(codec);
+ if (err < 0) {
+ snd_hda_codec_free(codec);
+ return err;
+ }
}
snd_hda_codec_proc_new(codec);
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 5587d41..729fc76 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -811,7 +811,7 @@
int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp,
struct hda_bus **busp);
int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
- struct hda_codec **codecp);
+ int do_init, struct hda_codec **codecp);
/*
* low level functions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index a26ae8c..6613b6b 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -58,6 +58,7 @@
static int position_fix[SNDRV_CARDS];
static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
+static int probe_only[SNDRV_CARDS];
static int single_cmd;
static int enable_msi;
@@ -76,6 +77,8 @@
MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
module_param_array(probe_mask, int, NULL, 0444);
MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
+module_param_array(probe_only, bool, NULL, 0444);
+MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
module_param(single_cmd, bool, 0444);
MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
"(for debugging only).");
@@ -1224,7 +1227,8 @@
};
static int __devinit azx_codec_create(struct azx *chip, const char *model,
- unsigned int codec_probe_mask)
+ unsigned int codec_probe_mask,
+ int no_init)
{
struct hda_bus_template bus_temp;
int c, codecs, err;
@@ -1282,7 +1286,7 @@
for (c = 0; c < max_slots; c++) {
if ((chip->codec_mask & (1 << c)) & codec_probe_mask) {
struct hda_codec *codec;
- err = snd_hda_codec_new(chip->bus, c, &codec);
+ err = snd_hda_codec_new(chip->bus, c, !no_init, &codec);
if (err < 0)
continue;
codecs++;
@@ -2340,7 +2344,8 @@
card->private_data = chip;
/* create codec instances */
- err = azx_codec_create(chip, model[dev], probe_mask[dev]);
+ err = azx_codec_create(chip, model[dev], probe_mask[dev],
+ probe_only[dev]);
if (err < 0)
goto out_free;