From: Takashi Iwai <tiwai@suse.de>
To: libin.yang@linux.intel.com
Cc: libin.yang@intel.com, mengdong.lin@intel.com,
alsa-devel@alsa-project.org
Subject: Re: [RFC PATCH v3 1/3] ALSA: hda - add DP mst verb support
Date: Thu, 20 Oct 2016 17:27:24 +0200 [thread overview]
Message-ID: <s5hoa2fghwj.wl-tiwai@suse.de> (raw)
In-Reply-To: <1476344977-147193-2-git-send-email-libin.yang@linux.intel.com>
On Thu, 13 Oct 2016 09:49:35 +0200,
libin.yang@linux.intel.com wrote:
>
> From: Libin Yang <libin.yang@linux.intel.com>
>
> Add snd_hda_get_dev_select() and snd_hda_set_dev_select() functions
> for DP MST audio support.
>
> Signed-off-by: Libin Yang <libin.yang@linux.intel.com>
> ---
> sound/pci/hda/hda_codec.c | 73 ++++++++++++++++++++++++++++++++++++++++++++---
> sound/pci/hda/hda_codec.h | 3 ++
> 2 files changed, 72 insertions(+), 4 deletions(-)
>
> diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
> index 9913be8..caa2c9d 100644
> --- a/sound/pci/hda/hda_codec.c
> +++ b/sound/pci/hda/hda_codec.c
> @@ -311,9 +311,16 @@ int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
> }
> EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
>
> -
> -/* return DEVLIST_LEN parameter of the given widget */
> -static unsigned int get_num_devices(struct hda_codec *codec, hda_nid_t nid)
> +/**
> + * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget
> + * @codec: the HDA codec
> + * @nid: NID of the pin to parse
> + *
> + * Get the device entry number on the given widget.
> + * This is a feature of DP MST audio. Each pin can
> + * have several device entries in it.
Try to fill more letters aligned in 80 columns, as we don't need to
write a Haiku here.
Takashi
next prev parent reply other threads:[~2016-10-20 15:27 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-13 7:49 [RFC PATCH v3 0/3] support DP MST audio libin.yang
2016-10-13 7:49 ` [RFC PATCH v3 1/3] ALSA: hda - add DP mst verb support libin.yang
2016-10-20 15:27 ` Takashi Iwai [this message]
2016-10-21 6:52 ` Yang, Libin
2016-10-13 7:49 ` [RFC PATCH v3 2/3] ALSA: hda - add DP mst audio support libin.yang
2016-10-20 15:34 ` Takashi Iwai
2016-10-21 8:24 ` Yang, Libin
2016-10-21 8:43 ` Takashi Iwai
2016-10-21 8:56 ` Yang, Libin
2016-10-21 9:05 ` Takashi Iwai
2016-10-21 12:25 ` Yang, Libin
2016-10-21 12:33 ` Takashi Iwai
2016-10-21 13:25 ` Yang, Libin
2016-10-24 7:09 ` Yang, Libin
2016-10-24 8:41 ` Takashi Iwai
2016-10-24 8:52 ` Yang, Libin
2016-10-13 7:49 ` [RFC PATCH v3 3/3] ALSA: Documentation about HDA DP MST pin init and connection libin.yang
2016-10-20 7:23 ` [RFC PATCH v3 0/3] support DP MST audio Yang, Libin
2016-10-20 8:46 ` Takashi Iwai
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