Re: [alsa-devel] [PATCH 2/2] sound/usb: Update ALSA driver to use media controller API

On 05/08/2015 10:51 PM, Eric Wong wrote:

Shuah Khan shuahkh@osg.samsung.com wrote:

...

@@ -541,13 +591,19 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip, [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, };

• int ret;

• if (quirk->media_device) {

• /* don't want to fail when media_device_init() doesn't work */
  

• ret = media_device_init(iface);
  

• } if (quirk->type < QUIRK_TYPE_COUNT) {

• return quirk_funcs[quirk->type](chip, iface, driver, quirk);
  

• ret = quirk_funcs[quirk->type](chip, iface, driver, quirk);
  

  } else { usb_audio_err(chip, "invalid quirk type %d\n", quirk->type); return -ENXIO; }
• return ret;

}

What is the point of saving 'ret' of media_device_init if it'll only be clobbered or ignored for ENXIO?

Agreed. There is no point in saving it.

thanks, -- Shuah