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From: Ruslan Bilovol <ruslan.bilovol@gmail.com>
To: Jorge Sanjuan <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 2/4] ALSA: usb-audio: Use Class Specific EP for UAC3 devices.
Date: Tue, 15 May 2018 00:00:11 +0300	[thread overview]
Message-ID: <CAB=otbSF+Nqo2G-fTGTXX_cOtGmo8KrbSgcHim7EKxUZq4APzw@mail.gmail.com> (raw)
In-Reply-To: <20180511152537.32267-3-jorge.sanjuan@codethink.co.uk>

On Fri, May 11, 2018 at 6:25 PM, Jorge Sanjuan
<jorge.sanjuan@codethink.co.uk> wrote:
> bmAtributes offset doesn't exist in the UAC3 CS_EP descriptor.
> Hence, checking for pitch control as if it was UAC2 doesn't make
> any sense. Use the defined UAC3 offsets instead.

This one I already reviewed in v2 and there is no changes in v4,
so still:
Reviewed-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>

By the way, this patch is an independent change and can go
into v4.17-rcXX, if it's not too late for it.

Thanks,
Ruslan

>
> Signed-off-by: Jorge Sanjuan <jorge.sanjuan@codethink.co.uk>
> ---
>  sound/usb/stream.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/sound/usb/stream.c b/sound/usb/stream.c
> index 764be07474a8..6b2924533d8d 100644
> --- a/sound/usb/stream.c
> +++ b/sound/usb/stream.c
> @@ -576,7 +576,7 @@ static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
>
>         if (protocol == UAC_VERSION_1) {
>                 attributes = csep->bmAttributes;
> -       } else {
> +       } else if (protocol == UAC_VERSION_2) {
>                 struct uac2_iso_endpoint_descriptor *csep2 =
>                         (struct uac2_iso_endpoint_descriptor *) csep;
>
> @@ -585,6 +585,13 @@ static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
>                 /* emulate the endpoint attributes of a v1 device */
>                 if (csep2->bmControls & UAC2_CONTROL_PITCH)
>                         attributes |= UAC_EP_CS_ATTR_PITCH_CONTROL;
> +       } else { /* UAC_VERSION_3 */
> +               struct uac3_iso_endpoint_descriptor *csep3 =
> +                       (struct uac3_iso_endpoint_descriptor *) csep;
> +
> +               /* emulate the endpoint attributes of a v1 device */
> +               if (le32_to_cpu(csep3->bmControls) & UAC2_CONTROL_PITCH)
> +                       attributes |= UAC_EP_CS_ATTR_PITCH_CONTROL;
>         }
>
>         return attributes;
> --
> 2.11.0
>

  reply	other threads:[~2018-05-14 21:00 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 [this message]
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
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

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