Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ALSA: hda/hdmi: ELD procfs - print the codec NIDs
It is useful for the debugging to print also the used HDA codec NIDs
used for the given HDMI device. With the dynamic converter assignment
the converter NID is changed dynamically.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20220921093349.82680-1-perex@perex.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>
authored by
Jaroslav Kysela
and committed by
Takashi Iwai
2fa22c3c
9bf320f0
+9
-3
+5
-1
sound/pci/hda/hda_eld.c
+5
-1
sound/pci/hda/hda_eld.c
···
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}
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void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
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struct snd_info_buffer *buffer)
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struct snd_info_buffer *buffer,
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hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid)
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{
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struct parsed_hdmi_eld *e = &eld->info;
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char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
···
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snd_iprintf(buffer, "monitor_present\t\t%d\n", eld->monitor_present);
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snd_iprintf(buffer, "eld_valid\t\t%d\n", eld->eld_valid);
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snd_iprintf(buffer, "codec_pin_nid\t\t0x%x\n", pin_nid);
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snd_iprintf(buffer, "codec_dev_id\t\t0x%x\n", dev_id);
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snd_iprintf(buffer, "codec_cvt_nid\t\t0x%x\n", cvt_nid);
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if (!eld->eld_valid)
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return;
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snd_iprintf(buffer, "monitor_name\t\t%s\n", e->monitor_name);
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sound/pci/hda/hda_local.h
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sound/pci/hda/hda_local.h
···
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#ifdef CONFIG_SND_PROC_FS
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void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
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struct snd_info_buffer *buffer);
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struct snd_info_buffer *buffer,
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hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid);
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void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
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struct snd_info_buffer *buffer);
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#endif
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-1
sound/pci/hda/patch_hdmi.c
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-1
sound/pci/hda/patch_hdmi.c
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struct hdmi_spec_per_pin *per_pin = entry->private_data;
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mutex_lock(&per_pin->lock);
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snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
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snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer, per_pin->pin_nid,
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per_pin->dev_id, per_pin->cvt_nid);
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mutex_unlock(&per_pin->lock);
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}
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