diff options
Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
| -rw-r--r-- | sound/pci/hda/patch_hdmi.c | 59 |
1 files changed, 37 insertions, 22 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 81b7b791b3c..c505fd5d338 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -65,7 +65,11 @@ struct hdmi_spec_per_pin { hda_nid_t pin_nid; int num_mux_nids; hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; + + struct hda_codec *codec; struct hdmi_eld sink_eld; + struct delayed_work work; + int repoll_count; }; struct hdmi_spec { @@ -745,8 +749,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx, * Unsolicited events */ -static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, - struct hdmi_eld *eld); +static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll); static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) { @@ -755,7 +758,6 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) int pd = !!(res & AC_UNSOL_RES_PD); int eldv = !!(res & AC_UNSOL_RES_ELDV); int pin_idx; - struct hdmi_eld *eld; printk(KERN_INFO "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n", @@ -764,17 +766,8 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) pin_idx = pin_nid_to_pin_index(spec, pin_nid); if (pin_idx < 0) return; - eld = &spec->pins[pin_idx].sink_eld; - - hdmi_present_sense(codec, pin_nid, eld); - /* - * HDMI sink's ELD info cannot always be retrieved for now, e.g. - * in console or for audio devices. Assume the highest speakers - * configuration, to _not_ prohibit multi-channel audio playback. - */ - if (!eld->spk_alloc) - eld->spk_alloc = 0xffff; + hdmi_present_sense(&spec->pins[pin_idx], 1); } static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res) @@ -968,9 +961,11 @@ static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx) return 0; } -static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, - struct hdmi_eld *eld) +static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll) { + struct hda_codec *codec = per_pin->codec; + struct hdmi_eld *eld = &per_pin->sink_eld; + hda_nid_t pin_nid = per_pin->pin_nid; /* * Always execute a GetPinSense verb here, even when called from * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited @@ -980,26 +975,42 @@ static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, * the unsolicited response to avoid custom WARs. */ int present = snd_hda_pin_sense(codec, pin_nid); + bool eld_valid = false; - memset(eld, 0, sizeof(*eld)); + memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer)); eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE); if (eld->monitor_present) - eld->eld_valid = !!(present & AC_PINSENSE_ELDV); - else - eld->eld_valid = 0; + eld_valid = !!(present & AC_PINSENSE_ELDV); printk(KERN_INFO "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n", - codec->addr, pin_nid, eld->monitor_present, eld->eld_valid); + codec->addr, pin_nid, eld->monitor_present, eld_valid); - if (eld->eld_valid) + if (eld_valid) { if (!snd_hdmi_get_eld(eld, codec, pin_nid)) snd_hdmi_show_eld(eld); + else if (repoll) { + queue_delayed_work(codec->bus->workq, + &per_pin->work, + msecs_to_jiffies(300)); + } + } snd_hda_input_jack_report(codec, pin_nid); } +static void hdmi_repoll_eld(struct work_struct *work) +{ + struct hdmi_spec_per_pin *per_pin = + container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work); + + if (per_pin->repoll_count++ > 6) + per_pin->repoll_count = 0; + + hdmi_present_sense(per_pin, per_pin->repoll_count); +} + static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) { struct hdmi_spec *spec = codec->spec; @@ -1228,7 +1239,7 @@ static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx) if (err < 0) return err; - hdmi_present_sense(codec, per_pin->pin_nid, &per_pin->sink_eld); + hdmi_present_sense(per_pin, 0); return 0; } @@ -1279,6 +1290,8 @@ static int generic_hdmi_init(struct hda_codec *codec) AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | pin_nid); + per_pin->codec = codec; + INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld); snd_hda_eld_proc_new(codec, eld, pin_idx); } return 0; @@ -1293,10 +1306,12 @@ static void generic_hdmi_free(struct hda_codec *codec) struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx]; struct hdmi_eld *eld = &per_pin->sink_eld; + cancel_delayed_work(&per_pin->work); snd_hda_eld_proc_free(codec, eld); } snd_hda_input_jack_free(codec); + flush_workqueue(codec->bus->workq); kfree(spec); } |