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Commit 28cb72e5 authored by Wang Xingchao's avatar Wang Xingchao Committed by Takashi Iwai
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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: default avatarWang Xingchao <xingchao.wang@linux.intel.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 7295b264

sound/pci/hda/patch_hdmi.c

+21 −0
Original line number Diff line number Diff line
@@ -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

};