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SubjectRe: [PATCH] snd_hda_intel for F/S T4210
At Thu, 30 Aug 2007 17:04:14 +0200,
I wrote:
>
> At Wed, 29 Aug 2007 17:34:19 +0200,
> Thomas Richter wrote:
> >
> > Hi folks,
> >
> > the patch below, to be applied to sound/pci/hda/patch_sigmatel.c fixes the audio
> > output on the Fujiutsu/Siemens lifebook T4210 (and probably on others). It is
> > suitable for the kernel 2.6.23-rc4 (and probably others).
> >
> > Without the patch, audio fails and the hda driver fails to load with
> >
> > No available DAC for pin 0x0
> >
> > However, the indicated pin has no connections in first place and thus should be ignored.
> > With the patch applied audio output works fine.
>
> The problem is that nid = 0 is used. So, your patch just hides
> another bug.

Just looking at the code, the suspicious part is the automatic
addition of shared I/O pins. Does the patch below fix?


Takashi

diff -r e7c9355af3ff sound/pci/hda/patch_sigmatel.c
--- a/sound/pci/hda/patch_sigmatel.c Fri Aug 31 12:52:19 2007 +0200
+++ b/sound/pci/hda/patch_sigmatel.c Fri Aug 31 13:05:22 2007 +0200
@@ -1479,7 +1479,8 @@ static int stac92xx_add_dyn_out_pins(str
case 3:
/* add line-in as side */
if (cfg->input_pins[AUTO_PIN_LINE] && num_dacs > 3) {
- cfg->line_out_pins[3] = cfg->input_pins[AUTO_PIN_LINE];
+ cfg->line_out_pins[cfg->line_outs] =
+ cfg->input_pins[AUTO_PIN_LINE];
spec->line_switch = 1;
cfg->line_outs++;
}
@@ -1487,12 +1488,14 @@ static int stac92xx_add_dyn_out_pins(str
case 2:
/* add line-in as clfe and mic as side */
if (cfg->input_pins[AUTO_PIN_LINE] && num_dacs > 2) {
- cfg->line_out_pins[2] = cfg->input_pins[AUTO_PIN_LINE];
+ cfg->line_out_pins[cfg->line_outs] =
+ cfg->input_pins[AUTO_PIN_LINE];
spec->line_switch = 1;
cfg->line_outs++;
}
if (cfg->input_pins[AUTO_PIN_MIC] && num_dacs > 3) {
- cfg->line_out_pins[3] = cfg->input_pins[AUTO_PIN_MIC];
+ cfg->line_out_pins[cfg->line_outs] =
+ cfg->input_pins[AUTO_PIN_MIC];
spec->mic_switch = 1;
cfg->line_outs++;
}
@@ -1500,12 +1503,14 @@ static int stac92xx_add_dyn_out_pins(str
case 1:
/* add line-in as surr and mic as clfe */
if (cfg->input_pins[AUTO_PIN_LINE] && num_dacs > 1) {
- cfg->line_out_pins[1] = cfg->input_pins[AUTO_PIN_LINE];
+ cfg->line_out_pins[cfg->line_outs] =
+ cfg->input_pins[AUTO_PIN_LINE];
spec->line_switch = 1;
cfg->line_outs++;
}
if (cfg->input_pins[AUTO_PIN_MIC] && num_dacs > 2) {
- cfg->line_out_pins[2] = cfg->input_pins[AUTO_PIN_MIC];
+ cfg->line_out_pins[cfg->line_outs] =
+ cfg->input_pins[AUTO_PIN_MIC];
spec->mic_switch = 1;
cfg->line_outs++;
}
-
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