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Commit 0fb497f5 authored by Andres Salomon's avatar Andres Salomon Committed by Takashi Iwai
Browse files

ALSA: cs5535audio: ensure MIC Bias/Analog Input bail if not on an OLPC machine 



Signed-off-by: default avatarAndres Salomon <dilinger@debian.org>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent b5ccc57b

sound/pci/cs5535audio/cs5535audio_olpc.c

+6 −0
Original line number Diff line number Diff line
@@ -26,6 +26,9 @@ void olpc_analog_input(struct snd_ac97 *ac97, int on) 
{

	int err;



	if (!machine_is_olpc())

		return;



	/* update the High Pass Filter (via AC97_AD_TEST2) */

	err = snd_ac97_update_bits(ac97, AC97_AD_TEST2,

			1 << AC97_AD_HPFD_SHIFT, on << AC97_AD_HPFD_SHIFT);
@@ -48,6 +51,9 @@ void olpc_mic_bias(struct snd_ac97 *ac97, int on) 
{

	int err;



	if (!machine_is_olpc())

		return;



	on = on ? 0 : 1;

	err = snd_ac97_update_bits(ac97, AC97_AD_MISC,

			1 << AC97_AD_VREFD_SHIFT, on << AC97_AD_VREFD_SHIFT);