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Commit 309520ec authored by Mark Greer's avatar Mark Greer Committed by Greg Kroah-Hartman
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greybus: audio: Use CSD instead of E2EFC for audio data connections 



There is no reason to use end-to-end flow control for Greybus
audio data connections so disable it and enable Controlled
Segment Dropping (CSD).

Testing Done: Played music using audio modules on an EVT1.5.

CC: Vaibhav Agarwal <vaibhav.agarwal@linaro.org>
CC: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: default avatarMark Greer <mgreer@animalcreek.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parent c3d77f71

drivers/staging/greybus/audio_codec.c

+4 −2
Original line number Diff line number Diff line
@@ -694,8 +694,10 @@ static int gb_audio_add_data_connection(struct gbaudio_codec_info *gbcodec, 
		return -ENOMEM;

	}



	connection = gb_connection_create(bundle, le16_to_cpu(cport_desc->id),

					  gbaudio_dai_request_handler);

	connection = gb_connection_create_flags(bundle,

						le16_to_cpu(cport_desc->id),

						gbaudio_dai_request_handler,

						GB_CONNECTION_FLAG_CSD);

	if (IS_ERR(connection)) {

		devm_kfree(gbcodec->dev, dai);

		return PTR_ERR(connection);