ALSA: cs5535audio: drop ec_analog_input flag for OLPC stuff

This is no longer necessary, as we're no longer doing indexed i/o commands.
Signed-off-by: Andres Salomon <dilinger@debian.org>

sound/pci/cs5535audio/cs5535audio.h

@@ -92,9 +92,6 @@ struct cs5535audio {
 	struct snd_pcm_substream *playback_substream;
 	struct snd_pcm_substream *capture_substream;
 	struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS];
-#ifdef CONFIG_OLPC
-	int ec_analog_input_mode;
-#endif
 };
 
 #ifdef CONFIG_PM

sound/pci/cs5535audio/cs5535audio_olpc.c

@@ -38,8 +38,7 @@ static int snd_cs5535audio_ctl_get(struct snd_kcontrol *kcontrol,
 	reg1 = snd_ac97_read(cs5535au->ac97, AC97_AD_MISC);
 	reg2 = snd_ac97_read(cs5535au->ac97, AC97_AD_TEST2);
 
-	if ((reg1 & AD1888_VREFOUT_EN_BIT) && (reg2 & AD1888_HPF_EN_BIT) &&
-		cs5535au->ec_analog_input_mode)
+	if ((reg1 & AD1888_VREFOUT_EN_BIT) && (reg2 & AD1888_HPF_EN_BIT))
 		ucontrol->value.integer.value[0] = 1;
 	else
 		ucontrol->value.integer.value[0] = 0;
@@ -58,10 +57,6 @@ static int snd_cs5535audio_ctl_put(struct snd_kcontrol *kcontrol,
 	/* value is 1 if analog input is desired */
 	value = ucontrol->value.integer.value[0];
 
-	/* use ec mode as flag to determine if any change needed */
-	if (cs5535au->ec_analog_input_mode == value)
-		return 0;
-
 	/* sets High Z on VREF Bias if 1 */
 	if (value)
 		err = snd_ac97_update_bits(ac97, AC97_AD_MISC,
@@ -88,8 +83,6 @@ static int snd_cs5535audio_ctl_put(struct snd_kcontrol *kcontrol,
 	else
 		geode_gpio_clear(OLPC_GPIO_MIC_AC, GPIO_OUTPUT_VAL);
 
-	cs5535au->ec_analog_input_mode = value;
-
 	return 1;
 }