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Commit 857c0a8c authored by Vijayavardhan Vennapusa's avatar Vijayavardhan Vennapusa
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USB: f_audio_source: Add superspeed support 



Add required superspeed descriptors for audio_source driver
to work in superspeed mode, which is missing currently.

Change-Id: I4e2cf69a9fd75c354b6505168eecb1aede606b88
Signed-off-by: default avatarVijayavardhan Vennapusa <vvreddy@codeaurora.org>
parent 40c1b6f6

drivers/usb/gadget/function/f_audio_source.c

+28 −0
Original line number Diff line number Diff line
@@ -158,6 +158,13 @@ static struct usb_endpoint_descriptor hs_as_in_ep_desc = { 
	.bInterval =		4, /* poll 1 per millisecond */

};



static struct usb_ss_ep_comp_descriptor ss_as_in_comp_desc = {

	 .bLength =		 sizeof(ss_as_in_comp_desc),

	 .bDescriptorType =	 USB_DT_SS_ENDPOINT_COMP,



	 .wBytesPerInterval =	cpu_to_le16(IN_EP_MAX_PACKET_SIZE),

};



/* Standard ISO IN Endpoint Descriptor for highspeed */

static struct usb_endpoint_descriptor fs_as_in_ep_desc  = {

	.bLength =		USB_DT_ENDPOINT_AUDIO_SIZE,
@@ -198,6 +205,26 @@ static struct usb_descriptor_header *hs_audio_desc[] = { 
	NULL,

};



static struct usb_descriptor_header *ss_audio_desc[] = {

	(struct usb_descriptor_header *)&ac_interface_desc,

	(struct usb_descriptor_header *)&ac_header_desc,



	(struct usb_descriptor_header *)&input_terminal_desc,

	(struct usb_descriptor_header *)&output_terminal_desc,

	(struct usb_descriptor_header *)&feature_unit_desc,



	(struct usb_descriptor_header *)&as_interface_alt_0_desc,

	(struct usb_descriptor_header *)&as_interface_alt_1_desc,

	(struct usb_descriptor_header *)&as_header_desc,



	(struct usb_descriptor_header *)&as_type_i_desc,



	(struct usb_descriptor_header *)&hs_as_in_ep_desc,

	(struct usb_descriptor_header *)&ss_as_in_comp_desc,

	(struct usb_descriptor_header *)&as_iso_in_desc,

	NULL,

};



static struct usb_descriptor_header *fs_audio_desc[] = {

	(struct usb_descriptor_header *)&ac_interface_desc,

	(struct usb_descriptor_header *)&ac_header_desc,
@@ -673,6 +700,7 @@ audio_bind(struct usb_configuration *c, struct usb_function *f) 


	f->fs_descriptors = fs_audio_desc;

	f->hs_descriptors = hs_audio_desc;

	f->ss_descriptors = ss_audio_desc;



	for (i = 0, status = 0; i < IN_EP_REQ_COUNT && status == 0; i++) {

		req = audio_request_new(ep, IN_EP_MAX_PACKET_SIZE);