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Diffstat (limited to 'sound/pci/hda/hda_codec.c')
-rw-r--r--sound/pci/hda/hda_codec.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 0957813939e5..9f8d59e7e89f 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -36,6 +36,7 @@
#include "hda_beep.h"
#include "hda_jack.h"
#include <sound/hda_hwdep.h>
+#include <sound/hda_component.h>
#define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core)
#define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core)
@@ -799,6 +800,13 @@ void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
static unsigned int hda_set_power_state(struct hda_codec *codec,
unsigned int power_state);
+/* enable/disable display power per codec */
+static void codec_display_power(struct hda_codec *codec, bool enable)
+{
+ if (codec->display_power_control)
+ snd_hdac_display_power(&codec->bus->core, codec->addr, enable);
+}
+
/* also called from hda_bind.c */
void snd_hda_codec_register(struct hda_codec *codec)
{
@@ -806,7 +814,7 @@ void snd_hda_codec_register(struct hda_codec *codec)
return;
if (device_is_registered(hda_codec_dev(codec))) {
snd_hda_register_beep_device(codec);
- snd_hdac_link_power(&codec->core, true);
+ codec_display_power(codec, true);
pm_runtime_enable(hda_codec_dev(codec));
/* it was powered up in snd_hda_codec_new(), now all done */
snd_hda_power_down(codec);
@@ -834,7 +842,7 @@ static int snd_hda_codec_dev_free(struct snd_device *device)
codec->in_freeing = 1;
snd_hdac_device_unregister(&codec->core);
- snd_hdac_link_power(&codec->core, false);
+ codec_display_power(codec, false);
put_device(hda_codec_dev(codec));
return 0;
}
@@ -2926,7 +2934,7 @@ static int hda_codec_runtime_suspend(struct device *dev)
(codec_has_clkstop(codec) && codec_has_epss(codec) &&
(state & AC_PWRST_CLK_STOP_OK)))
snd_hdac_codec_link_down(&codec->core);
- snd_hdac_link_power(&codec->core, false);
+ codec_display_power(codec, false);
return 0;
}
@@ -2934,7 +2942,7 @@ static int hda_codec_runtime_resume(struct device *dev)
{
struct hda_codec *codec = dev_to_hda_codec(dev);
- snd_hdac_link_power(&codec->core, true);
+ codec_display_power(codec, true);
snd_hdac_codec_link_up(&codec->core);
hda_call_codec_resume(codec);
pm_runtime_mark_last_busy(dev);