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authorWang Xingchao <xingchao.wang@linux.intel.com>2013-06-24 11:45:23 (GMT)
committerTakashi Iwai <tiwai@suse.de>2013-06-25 07:07:57 (GMT)
commit28cb72e5b86bb8340568c2ceb940eb165a9791b3 (patch)
tree1956a0e8cd03368b377a3aea62e5678e84843b7b /sound
parent7295b26438ec018a16159e45d514e1c94c554c5b (diff)
downloadlinux-fsl-qoriq-28cb72e5b86bb8340568c2ceb940eb165a9791b3.tar.xz
ALSA: hda/hdmi - poll eld at resume time
Hdmi driver may not receive intrinsic event from gfx side when it's in runtime suspend mode. There's no ELD info when exit from runtime suspend. This patch avoid missing ELD info. Signed-off-by: Wang Xingchao <xingchao.wang@linux.intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/patch_hdmi.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 8428763..540bdef 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1864,12 +1864,33 @@ static void generic_hdmi_free(struct hda_codec *codec)
kfree(spec);
}
+#ifdef CONFIG_PM
+static int generic_hdmi_resume(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pin_idx;
+
+ generic_hdmi_init(codec);
+ snd_hda_codec_resume_amp(codec);
+ snd_hda_codec_resume_cache(codec);
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+ hdmi_present_sense(per_pin, 1);
+ }
+ return 0;
+}
+#endif
+
static const struct hda_codec_ops generic_hdmi_patch_ops = {
.init = generic_hdmi_init,
.free = generic_hdmi_free,
.build_pcms = generic_hdmi_build_pcms,
.build_controls = generic_hdmi_build_controls,
.unsol_event = hdmi_unsol_event,
+#ifdef CONFIG_PM
+ .resume = generic_hdmi_resume,
+#endif
};