ALSA: hda/hdmi - poll eld at resume time (28cb72e5) · Commits · 戴 / test

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>

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
		};

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