* [PATCH 14/14] ALSA: cs5535audio: ensure MIC Bias/Analog Input bail if not on an OLPC machine
@ 2008-11-06 21:53 Andres Salomon
0 siblings, 0 replies; only message in thread
From: Andres Salomon @ 2008-11-06 21:53 UTC (permalink / raw)
To: Jaya Kumar; +Cc: linux-kernel, akpm, Takashi Iwai
Signed-off-by: Andres Salomon <dilinger@debian.org>
---
sound/pci/cs5535audio/cs5535audio_olpc.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/sound/pci/cs5535audio/cs5535audio_olpc.c b/sound/pci/cs5535audio/cs5535audio_olpc.c
index 164f6bd..5c68143 100644
--- a/sound/pci/cs5535audio/cs5535audio_olpc.c
+++ b/sound/pci/cs5535audio/cs5535audio_olpc.c
@@ -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);
--
1.5.6.5
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2008-11-06 21:53 [PATCH 14/14] ALSA: cs5535audio: ensure MIC Bias/Analog Input bail if not on an OLPC machine Andres Salomon
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