ALSA: hdspm - Also check for TCO sync states
This patch prepares snd_hdspm_get_sync_check() to also check the TCO sync state. The added feature will be exposed to the user in a later commit. Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Родитель
e5b7b1fe3b
Коммит
345422133a
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@ -3447,6 +3447,16 @@ static int snd_hdspm_put_playback_mixer(struct snd_kcontrol *kcontrol,
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.get = snd_hdspm_get_sync_check \
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}
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#define HDSPM_TCO_LOCK_CHECK(xname, xindex) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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.name = xname, \
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.private_value = xindex, \
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.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
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.info = snd_hdspm_tco_info_lock_check, \
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.get = snd_hdspm_get_sync_check \
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}
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static int snd_hdspm_info_sync_check(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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@ -3456,6 +3466,14 @@ static int snd_hdspm_info_sync_check(struct snd_kcontrol *kcontrol,
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return 0;
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}
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static int snd_hdspm_tco_info_lock_check(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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static char *texts[] = { "No Lock", "Lock" };
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ENUMERATED_CTL_INFO(uinfo, texts);
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return 0;
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}
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static int hdspm_wc_sync_check(struct hdspm *hdspm)
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{
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int status, status2;
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@ -3585,6 +3603,14 @@ static int hdspm_aes_sync_check(struct hdspm *hdspm, int idx)
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return 0;
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}
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static int hdspm_tco_input_check(struct hdspm *hdspm, u32 mask)
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{
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u32 status;
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status = hdspm_read(hdspm, HDSPM_RD_TCO + 4);
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return (status & mask) ? 1 : 0;
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}
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static int hdspm_tco_sync_check(struct hdspm *hdspm)
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{
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@ -3692,6 +3718,22 @@ static int snd_hdspm_get_sync_check(struct snd_kcontrol *kcontrol,
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}
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if (hdspm->tco) {
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switch (kcontrol->private_value) {
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case 11:
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/* Check TCO for lock state of its current input */
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val = hdspm_tco_input_check(hdspm, HDSPM_TCO1_TCO_lock);
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break;
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case 12:
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/* Check TCO for valid time code on LTC input. */
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val = hdspm_tco_input_check(hdspm,
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HDSPM_TCO1_LTC_Input_valid);
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break;
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default:
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break;
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}
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}
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if (-1 == val)
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val = 3;
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