Revision d3e17183b9820ccf3c1aacc5ec5459a23a574ba7 authored by David S. Miller on 22 February 2016, 03:03:21 UTC, committed by David S. Miller on 22 February 2016, 03:03:21 UTC
Murali Karicheri says:

====================
net: ti: netcp: restore get/set_pad_info() functionality

This series fixes a regression and add some improvements for the ease
of maintainance. Incorporated comments against v1.

Changelogs:

 v2 : combined 2-3 into one patch as this involves a header change
      fixed a parse warning in 3/4 per comment from Arnd.
      Removed Sign-off from Arnd against 1/4
      added comments in 3/3 to alert on the usage of sw data per review
      comments
 v1 : added 2-4 to accomodate feedback received from review
 v0 : initial version to fix the regression (From Grygorii)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2 parent s 3301be3 + 0632448
Raw File
helper.h
#ifndef __USBAUDIO_HELPER_H
#define __USBAUDIO_HELPER_H

unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size);

void *snd_usb_find_desc(void *descstart, int desclen, void *after, u8 dtype);
void *snd_usb_find_csint_desc(void *descstart, int desclen, void *after, u8 dsubtype);

int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe,
		    __u8 request, __u8 requesttype, __u16 value, __u16 index,
		    void *data, __u16 size);

unsigned char snd_usb_parse_datainterval(struct snd_usb_audio *chip,
					 struct usb_host_interface *alts);

/*
 * retrieve usb_interface descriptor from the host interface
 * (conditional for compatibility with the older API)
 */
#ifndef get_iface_desc
#define get_iface_desc(iface)	(&(iface)->desc)
#define get_endpoint(alt,ep)	(&(alt)->endpoint[ep].desc)
#define get_ep_desc(ep)		(&(ep)->desc)
#define get_cfg_desc(cfg)	(&(cfg)->desc)
#endif

#ifndef snd_usb_get_speed
#define snd_usb_get_speed(dev) ((dev)->speed)
#endif

static inline int snd_usb_ctrl_intf(struct snd_usb_audio *chip)
{
	return get_iface_desc(chip->ctrl_intf)->bInterfaceNumber;
}

#endif /* __USBAUDIO_HELPER_H */
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