ALSA: cs5535audio: check OLPC's Analog Input status vis GPIO

PATCH In review Andres Salomon 1 participant 1 message Nov 6, 2008

Subsystems (2)

Sound CS5535 Audio ALSA driver

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Andres Salomon

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2008-11-06 21:50 UTC #0 lore raw

PATCH 8/14 ALSA: cs5535audio: check OLPC's Analog Input status vis GPIO

Checking the HPF register is irrelevant; HPF is secondary to the AI mode. Instead, check for Analog Input mode via GPIO.

Signed-off-by Andres Salomon <[email protected]>

---
 sound/pci/cs5535audio/cs5535audio_olpc.c |    9 ++-------
 1 files changed, 2 insertions(+), 7 deletions(-)

sound/pci/cs5535audio/cs5535audio_olpc.c +2 -7

index 2c148b9..f59af91 100644
@@ -43,13 +43,8 @@ static int olpc_dc_info(struct snd_kcontrol *kctl,
 
 static int olpc_dc_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v)
 {
-	struct cs5535audio *cs5535au = snd_kcontrol_chip(kctl);
-	u8 val;
-
-	val = snd_ac97_read(cs5535au->ac97, AC97_AD_TEST2);
-	val >>= AC97_AD_HPFD_SHIFT;
-	v->value.integer.value[0] = val & 0x1;
-
+	v->value.integer.value[0] = geode_gpio_isset(OLPC_GPIO_MIC_AC,
+			GPIO_OUTPUT_VAL);
 	return 0;
 }

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1.5.6.5