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[ALSA] hda-intel - Show the last command in warning messages 

Show the last issued command in warning messages when any communication
error with CORB/RIRB occurs.
Also, a bit code clean-up for composing the command value in
*_send_cmd().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2007-07-06 20:22:05 +02:00 committed by Jaroslav Kysela
parent a4eed138ad
commit 43bbb6ccc6
1 changed files with 21 additions and 24 deletions
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45
sound/pci/hda/hda_intel.c
View File

@ -341,6 +341,9 @@ struct azx {
unsigned int single_cmd :1;
unsigned int polling_mode :1;
unsigned int msi :1;
/* for debugging */
unsigned int last_cmd; /* last issued command (to sync) */
};
/* driver types */
@ -466,18 +469,10 @@ static void azx_free_cmd_io(struct azx *chip)
}
/* send a command */
static int azx_corb_send_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
unsigned int verb, unsigned int para)
static int azx_corb_send_cmd(struct hda_codec *codec, u32 val)
{
struct azx *chip = codec->bus->private_data;
unsigned int wp;
u32 val;
val = (u32)(codec->addr & 0x0f) << 28;
val |= (u32)direct << 27;
val |= (u32)nid << 20;
val |= verb << 8;
val |= para;
/* add command to corb */
wp = azx_readb(chip, CORBWP);
@ -543,7 +538,7 @@ static unsigned int azx_rirb_get_response(struct hda_codec *codec)
if (chip->msi) {
snd_printk(KERN_WARNING "hda_intel: No response from codec, "
"disabling MSI...\n");
"disabling MSI: last cmd=0x%08x\n", chip->last_cmd);
free_irq(chip->irq, chip);
chip->irq = -1;
pci_disable_msi(chip->pci);
@ -555,13 +550,15 @@ static unsigned int azx_rirb_get_response(struct hda_codec *codec)
if (!chip->polling_mode) {
snd_printk(KERN_WARNING "hda_intel: azx_get_response timeout, "
"switching to polling mode...\n");
"switching to polling mode: last cmd=0x%08x\n",
chip->last_cmd);
chip->polling_mode = 1;
goto again;
}
snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
"switching to single_cmd mode...\n");
"switching to single_cmd mode: last cmd=0x%08x\n",
chip->last_cmd);
chip->rirb.rp = azx_readb(chip, RIRBWP);
chip->rirb.cmds = 0;
/* switch to single_cmd mode */
@ -581,20 +578,11 @@ static unsigned int azx_rirb_get_response(struct hda_codec *codec)
*/
/* send a command */
static int azx_single_send_cmd(struct hda_codec *codec, hda_nid_t nid,
int direct, unsigned int verb,
unsigned int para)
static int azx_single_send_cmd(struct hda_codec *codec, u32 val)
{
struct azx *chip = codec->bus->private_data;
u32 val;
int timeout = 50;
val = (u32)(codec->addr & 0x0f) << 28;
val |= (u32)direct << 27;
val |= (u32)nid << 20;
val |= verb << 8;
val |= para;
while (timeout--) {
/* check ICB busy bit */
if (! (azx_readw(chip, IRS) & ICH6_IRS_BUSY)) {
@ -639,10 +627,19 @@ static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid,
unsigned int para)
{
struct azx *chip = codec->bus->private_data;
u32 val;
val = (u32)(codec->addr & 0x0f) << 28;
val |= (u32)direct << 27;
val |= (u32)nid << 20;
val |= verb << 8;
val |= para;
chip->last_cmd = val;
if (chip->single_cmd)
return azx_single_send_cmd(codec, nid, direct, verb, para);
return azx_single_send_cmd(codec, val);
else
return azx_corb_send_cmd(codec, nid, direct, verb, para);
return azx_corb_send_cmd(codec, val);
}
/* get a response */