Commit 01a72aef authored by Takashi Iwai's avatar Takashi Iwai
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Revert "ALSA: usb-audio: Clean up endpoint setups at PCM prepare" 



This reverts commit 32eeeed9.

As the fix for endpoint configuration split is reverted at next, do
another revert here for a clean patch application.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 96ecdc71

sound/usb/pcm.c

+30 −10
Original line number Diff line number Diff line
@@ -433,6 +433,35 @@ static void close_endpoints(struct snd_usb_audio *chip, 
	}

}



static int configure_endpoints(struct snd_usb_audio *chip,

			       struct snd_usb_substream *subs)

{

	int err;



	if (subs->data_endpoint->need_setup) {

		/* stop any running stream beforehand */

		if (stop_endpoints(subs, false))

			sync_pending_stops(subs);

		if (subs->sync_endpoint) {

			err = snd_usb_endpoint_prepare(chip, subs->sync_endpoint);

			if (err < 0)

				return err;

		}

		err = snd_usb_endpoint_prepare(chip, subs->data_endpoint);

		if (err < 0)

			return err;

		snd_usb_set_format_quirk(subs, subs->cur_audiofmt);

	} else {

		if (subs->sync_endpoint) {

			err = snd_usb_endpoint_prepare(chip, subs->sync_endpoint);

			if (err < 0)

				return err;

		}

	}



	return 0;

}



/*

 * hw_params callback

 *
@@ -611,18 +640,9 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) 
		goto unlock;

	}



	if (subs->sync_endpoint) {

		ret = snd_usb_endpoint_prepare(chip, subs->sync_endpoint);

	ret = configure_endpoints(chip, subs);

	if (ret < 0)

		goto unlock;

	}



	ret = snd_usb_endpoint_prepare(chip, subs->data_endpoint);

	if (ret < 0)

		goto unlock;

	else if (ret > 0)

		snd_usb_set_format_quirk(subs, subs->cur_audiofmt);

	ret = 0;



	/* reset the pointer */

	subs->buffer_bytes = frames_to_bytes(runtime, runtime->buffer_size);