On Thu, 14 Jan 2016 08:49:46 +0100,
libin.yang@xxxxxxxxxxxxxxx wrote:
>
> From: Libin Yang <libin.yang@xxxxxxxxxxxxxxx>
>
> SPDIF ctl should be based on pcm. Each spdif ctl controls
> one pcm state.
>
> This patch creates spdif based on pcm and no longer
> based on pin.
Which branch is this supposed to be applied to? I thought it's for
MST, then this isn't for 4.5.
If it's for MST, please postpone it until the merge window is closed.
If this isn't for 4.5, please clarify why this has to be applied.
thanks,
Takashi
>
> Signed-off-by: Libin Yang <libin.yang@xxxxxxxxxxxxxxx>
> ---
> sound/pci/hda/patch_hdmi.c | 27 ++++++++++++++++++---------
> 1 file changed, 18 insertions(+), 9 deletions(-)
>
> diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
> index dfb7c26..2f949fb 100644
> --- a/sound/pci/hda/patch_hdmi.c
> +++ b/sound/pci/hda/patch_hdmi.c
> @@ -2255,6 +2255,7 @@ static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
> hinfo->nid = 0;
>
> mutex_lock(&spec->pcm_lock);
> + snd_hda_spdif_ctls_unassign(codec, pcm_idx);
> clear_bit(pcm_idx, &spec->pcm_in_use);
> pin_idx = hinfo_to_pin_index(codec, hinfo);
> if (spec->dyn_pcm_assign && pin_idx < 0) {
> @@ -2276,8 +2277,6 @@ static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
> pinctl & ~PIN_OUT);
> }
>
> - snd_hda_spdif_ctls_unassign(codec, pcm_idx);
> -
> mutex_lock(&per_pin->lock);
> per_pin->chmap_set = false;
> memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
> @@ -2560,19 +2559,29 @@ static int generic_hdmi_build_controls(struct hda_codec *codec)
> err = generic_hdmi_build_jack(codec, pcm_idx);
> if (err < 0)
> return err;
> - }
>
> - for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
> - struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
> -
> - err = snd_hda_create_dig_out_ctls(codec,
> + /* create the spdif for each pcm
> + * pin will be bound when monitor is connected
> + */
> + if (spec->dyn_pcm_assign)
> + err = snd_hda_create_dig_out_ctls(codec,
> + 0, spec->cvt_nids[0],
> + HDA_PCM_TYPE_HDMI);
> + else {
> + struct hdmi_spec_per_pin *per_pin =
> + get_pin(spec, pcm_idx);
> + err = snd_hda_create_dig_out_ctls(codec,
> per_pin->pin_nid,
> per_pin->mux_nids[0],
> HDA_PCM_TYPE_HDMI);
> + }
> if (err < 0)
> return err;
> - /* pin number is the same with pcm number so far */
> - snd_hda_spdif_ctls_unassign(codec, pin_idx);
> + snd_hda_spdif_ctls_unassign(codec, pcm_idx);
> + }
> +
> + for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
> + struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
>
> /* add control for ELD Bytes */
> err = hdmi_create_eld_ctl(codec, pin_idx,
> --
> 1.9.1
>
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