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ALSA: hda/hdmi - poll eld at resume time

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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>
This commit is contained in:
Wang Xingchao 2013-06-24 07:45:23 -04:00 committed by Takashi Iwai
parent 7295b26438
commit 28cb72e5b8
1 changed files with 21 additions and 0 deletions
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21
sound/pci/hda/patch_hdmi.c
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@ -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
};