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sound fixes for 4.6-rc1

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The previous pull request introduced a few WARN_ON() for Intel
 HD-audio HDMI.  Indeed it caught bugs, and now users get annoyed.
 So this request came up: a collection of small fixes to paper over
 the inconsistencies on (mostly) old Intel chipsets.
 
 In addition, a trivial USB-audio quirk is included, too.
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Merge tag 'sound-fix-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "The previous pull request introduced a few WARN_ON() for Intel
  HD-audio HDMI.  Indeed it caught bugs, and now users get annoyed.  So
  this request came up: a collection of small fixes to paper over the
  inconsistencies on (mostly) old Intel chipsets.

  In addition, a trivial USB-audio quirk is included, too"

* tag 'sound-fix-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Fix missing ELD update at unplugging
  ALSA: usb-audio: add Microsoft HD-5001 to quirks
  ALSA: hda - Workaround for unbalanced i915 power refcount by concurrent probe
  ALSA: hda - Fix spurious kernel WARNING on Baytrail HDMI
  ALSA: hda - Fix forgotten HDMI monitor_present update
  ALSA: hda - Really restrict i915 notifier to HSW+
This commit is contained in:
Linus Torvalds 2016-03-22 12:13:53 -07:00
commit 87cf815b9e
2 changed files with 28 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
sound/pci/hda/patch_hdmi.c
View File

@ -152,6 +152,7 @@ struct hdmi_spec {
struct hda_pcm_stream pcm_playback;
/* i915/powerwell (Haswell+/Valleyview+) specific */
bool use_acomp_notifier; /* use i915 eld_notify callback for hotplug */
struct i915_audio_component_audio_ops i915_audio_ops;
bool i915_bound; /* was i915 bound in this driver? */
@ -159,8 +160,11 @@ struct hdmi_spec {
};
#ifdef CONFIG_SND_HDA_I915
#define codec_has_acomp(codec) \
((codec)->bus->core.audio_component != NULL)
static inline bool codec_has_acomp(struct hda_codec *codec)
{
struct hdmi_spec *spec = codec->spec;
return spec->use_acomp_notifier;
}
#else
#define codec_has_acomp(codec) false
#endif
@ -1354,6 +1358,7 @@ static void update_eld(struct hda_codec *codec,
eld->eld_size) != 0)
eld_changed = true;
pin_eld->monitor_present = eld->monitor_present;
pin_eld->eld_valid = eld->eld_valid;
pin_eld->eld_size = eld->eld_size;
if (eld->eld_valid)
@ -1479,11 +1484,10 @@ static void sync_eld_via_acomp(struct hda_codec *codec,
int size;
mutex_lock(&per_pin->lock);
eld->monitor_present = false;
size = snd_hdac_acomp_get_eld(&codec->bus->core, per_pin->pin_nid,
&eld->monitor_present, eld->eld_buffer,
ELD_MAX_SIZE);
if (size < 0)
goto unlock;
if (size > 0) {
size = min(size, ELD_MAX_SIZE);
if (snd_hdmi_parse_eld(codec, &eld->info,
@ -1736,6 +1740,7 @@ static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
/* Call sync_audio_rate to set the N/CTS/M manually if necessary */
/* Todo: add DP1.2 MST audio support later */
if (codec_has_acomp(codec))
snd_hdac_sync_audio_rate(&codec->bus->core, pin_nid, runtime->rate);
non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
@ -2248,12 +2253,24 @@ static int patch_generic_hdmi(struct hda_codec *codec)
codec->spec = spec;
hdmi_array_init(spec, 4);
#ifdef CONFIG_SND_HDA_I915
/* Try to bind with i915 for Intel HSW+ codecs (if not done yet) */
if (!codec_has_acomp(codec) &&
(codec->core.vendor_id >> 16) == 0x8086 &&
is_haswell_plus(codec))
if ((codec->core.vendor_id >> 16) == 0x8086 &&
is_haswell_plus(codec)) {
#if 0
/* on-demand binding leads to an unbalanced refcount when
* both i915 and hda drivers are probed concurrently;
* disabled temporarily for now
*/
if (!codec->bus->core.audio_component)
if (!snd_hdac_i915_init(&codec->bus->core))
spec->i915_bound = true;
#endif
/* use i915 audio component notifier for hotplug */
if (codec->bus->core.audio_component)
spec->use_acomp_notifier = true;
}
#endif
if (is_haswell_plus(codec)) {
intel_haswell_enable_all_pins(codec, true);

1
sound/usb/quirks.c
View File

@ -1126,6 +1126,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
switch (chip->usb_id) {
case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */
case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */
case USB_ID(0x045E, 0x076E): /* MS Lifecam HD-5001 */
case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */
case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */
case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */