LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Ruslan Bilovol <ruslan.bilovol@gmail.com>
To: Jorge <jorge.sanjuan@codethink.co.uk>
Cc: Takashi Iwai <tiwai@suse.com>,
	alsa-devel@alsa-project.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 4/4] ALSA: usb-audio: UAC3: Parse Input Terminal number of channels.
Date: Mon, 14 May 2018 12:36:14 +0300	[thread overview]
Message-ID: <CAB=otbRx01uackLJtaOKCzT9tc5V9Nc62tV42Pie3rTd-exrKQ@mail.gmail.com> (raw)
In-Reply-To: <e2088eb5-381f-3ad4-8e59-381a729346d0@codethink.co.uk>

On Mon, May 14, 2018 at 11:54 AM, Jorge <jorge.sanjuan@codethink.co.uk> wrote:
>
>
> On 11/05/18 16:25, Jorge Sanjuan wrote:
>>
>> Obtain the number of channels for the Input Terminal from the
>> Logical Cluster Descriptor. This achieves a useful minimal parsing
>> of this unit so it can be used in other units in the topology.
>>
>> Signed-off-by: Jorge Sanjuan <jorge.sanjuan@codethink.co.uk>
>> ---
>>   sound/usb/mixer.c | 4 ++--
>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
>> index 431f3c319839..19b25fbc7437 100644
>> --- a/sound/usb/mixer.c
>> +++ b/sound/usb/mixer.c
>> @@ -903,9 +903,9 @@ static int check_input_term(struct mixer_build *state,
>> int id,
>>                                  * recursion calls */
>>                                 term->id = id;
>>                                 term->type =
>> le16_to_cpu(d->wTerminalType);
>> +                               term->channels =
>> get_cluster_channels_v3(state, d->wClusterDescrID);
>
>
>
> Sorry about this. I just spotted that I should have used the helper function
> I added to access d->wClusterDescrID `uac3_mixer_unit_wClusterDescrID`.
>
> I got the sparse warning for the endianess and realized that. I'll resend
> this one patch.

While here, please add checking output of get_cluster_channels_v3() as
it can return negative errno.

BTW, I've just tested your Mixer patches and this is the only comment I have
so far.

Thanks,
Ruslan

>
>>   -                             /* REVISIT: UAC3 IT doesn't have
>> channels/cfg */
>> -                               term->channels = 0;
>> +                               /* REVISIT: UAC3 IT doesn't have channels
>> cfg */
>>                                 term->chconfig = 0;
>>                                 term->name =
>> le16_to_cpu(d->wTerminalDescrStr);
>>
>

  reply	other threads:[~2018-05-14  9:36 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-20 17:03 [PATCH 0/4] ALSA: usb: UAC3 new features Jorge Sanjuan
2018-04-20 17:03 ` [PATCH 1/4] ALSA: usb-audio: UAC3. Add support for mixer unit Jorge Sanjuan
2018-04-23 11:03   ` Takashi Iwai
2018-04-20 17:03 ` [PATCH 2/4] ALSA: usb-audio: ADC3: Fix channel mapping conversion for ADC3 Jorge Sanjuan
2018-04-23 12:11   ` Takashi Iwai
2018-04-24  8:03   ` [alsa-devel] " Ruslan Bilovol
2018-04-20 17:03 ` [PATCH 3/4] ALSA: usb-audio: Use Class Specific EP for UAC3 devices Jorge Sanjuan
2018-04-22 20:30   ` [alsa-devel] " kbuild test robot
2018-04-20 17:03 ` [PATCH 4/4] ALSA: usb-audio: UAC3 Add support for connector insertion Jorge Sanjuan
2018-04-22 20:55   ` kbuild test robot
2018-04-23 12:19   ` Takashi Iwai
2018-04-23 16:06     ` Jorge
2018-04-24 17:24 ` [PATCH v2 0/4] ALSA: usb: UAC3 new features Jorge Sanjuan
2018-04-24 17:24   ` [PATCH v2 1/4] ALSA: usb-audio: UAC3. Add support for mixer unit Jorge Sanjuan
2018-04-25 22:35     ` [alsa-devel] " Ruslan Bilovol
2018-04-26 16:56       ` Jorge
2018-04-27 17:06     ` [PATCH v3 " Jorge Sanjuan
2018-05-04  0:57       ` Ruslan Bilovol
2018-05-08  9:43         ` Jorge
2018-05-09 22:11           ` Ruslan Bilovol
2018-04-24 17:24   ` [PATCH v2 2/4] ALSA: usb-audio: ADC3: Fix channel mapping conversion for ADC3 Jorge Sanjuan
2018-04-24 17:55     ` Takashi Iwai
2018-04-24 17:24   ` [PATCH v2 3/4] ALSA: usb-audio: Use Class Specific EP for UAC3 devices Jorge Sanjuan
2018-04-25 22:53     ` [alsa-devel] " Ruslan Bilovol
2018-04-24 17:24   ` [PATCH v2 4/4] ALSA: usb-audio: UAC3 Add support for connector insertion Jorge Sanjuan
2018-04-24 18:02   ` [PATCH v2 0/4] ALSA: usb: UAC3 new features Takashi Iwai
2018-04-26  9:26     ` [alsa-devel] " Ruslan Bilovol
2018-04-26 17:13       ` Jorge
2018-05-11 15:25 ` [PATCH v4 " Jorge Sanjuan
2018-05-11 15:25   ` [PATCH v4 1/4] ALSA: usb-audio: UAC3. Add support for mixer unit Jorge Sanjuan
2018-05-14 20:54     ` Ruslan Bilovol
2018-05-11 15:25   ` [PATCH v4 2/4] ALSA: usb-audio: Use Class Specific EP for UAC3 devices Jorge Sanjuan
2018-05-14 21:00     ` Ruslan Bilovol
2018-05-11 15:25   ` [PATCH v4 3/4] ALSA: usb-audio: UAC3 Add support for connector insertion Jorge Sanjuan
2018-05-11 15:25   ` [PATCH v4 4/4] ALSA: usb-audio: UAC3: Parse Input Terminal number of channels Jorge Sanjuan
2018-05-14  8:54     ` Jorge
2018-05-14  9:36       ` Ruslan Bilovol [this message]
2018-05-14 11:03     ` [RESEND PATCH " Jorge Sanjuan
2018-05-14 21:05       ` Ruslan Bilovol
2018-05-15  5:38   ` [PATCH v4 0/4] ALSA: usb: UAC3 new features Takashi Iwai

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAB=otbRx01uackLJtaOKCzT9tc5V9Nc62tV42Pie3rTd-exrKQ@mail.gmail.com' \
    --to=ruslan.bilovol@gmail.com \
    --cc=alsa-devel@alsa-project.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=jorge.sanjuan@codethink.co.uk \
    --cc=linux-kernel@vger.kernel.org \
    --cc=tiwai@suse.com \
    --subject='Re: [PATCH v4 4/4] ALSA: usb-audio: UAC3: Parse Input Terminal number of channels.' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).