usbsevseg.c (87d8a69709d971913e6cc7210450fcb8be963667) usbsevseg.c (4c1f5c88aaffacb2831353b6d3c1557be52071a2)
1/*
2 * USB 7 Segment Driver
3 *
4 * Copyright (C) 2008 Harrison Metzger <harrisonmetz@gmail.com>
5 * Based on usbled.c by Greg Kroah-Hartman (greg@kroah.com)
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as

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44 u8 mode_msb;
45 u8 mode_lsb;
46 u8 decimals[MAXLEN];
47 u8 textmode;
48 u8 text[MAXLEN];
49 u16 textlength;
50
51 u8 shadow_power; /* for PM */
1/*
2 * USB 7 Segment Driver
3 *
4 * Copyright (C) 2008 Harrison Metzger <harrisonmetz@gmail.com>
5 * Based on usbled.c by Greg Kroah-Hartman (greg@kroah.com)
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as

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44 u8 mode_msb;
45 u8 mode_lsb;
46 u8 decimals[MAXLEN];
47 u8 textmode;
48 u8 text[MAXLEN];
49 u16 textlength;
50
51 u8 shadow_power; /* for PM */
52 u8 has_interface_pm;
52};
53
54/* sysfs_streq can't replace this completely
55 * If the device was in hex mode, and the user wanted a 0,
56 * if str commands are used, we would assume the end of string
57 * so mem commands are used.
58 */
59inline size_t my_memlen(const char *buf, size_t count)
60{
61 if (count > 0 && buf[count-1] == '\n')
62 return count - 1;
63 else
64 return count;
65}
66
67static void update_display_powered(struct usb_sevsegdev *mydev)
68{
69 int rc;
70
53};
54
55/* sysfs_streq can't replace this completely
56 * If the device was in hex mode, and the user wanted a 0,
57 * if str commands are used, we would assume the end of string
58 * so mem commands are used.
59 */
60inline size_t my_memlen(const char *buf, size_t count)
61{
62 if (count > 0 && buf[count-1] == '\n')
63 return count - 1;
64 else
65 return count;
66}
67
68static void update_display_powered(struct usb_sevsegdev *mydev)
69{
70 int rc;
71
71 if (!mydev->shadow_power && mydev->powered) {
72 if (mydev->powered && !mydev->has_interface_pm) {
72 rc = usb_autopm_get_interface(mydev->intf);
73 if (rc < 0)
74 return;
73 rc = usb_autopm_get_interface(mydev->intf);
74 if (rc < 0)
75 return;
76 mydev->has_interface_pm = 1;
75 }
76
77 }
78
79 if (mydev->shadow_power != 1)
80 return;
81
77 rc = usb_control_msg(mydev->udev,
78 usb_sndctrlpipe(mydev->udev, 0),
79 0x12,
80 0x48,
81 (80 * 0x100) + 10, /* (power mode) */
82 (0x00 * 0x100) + (mydev->powered ? 1 : 0),
83 NULL,
84 0,
85 2000);
86 if (rc < 0)
87 dev_dbg(&mydev->udev->dev, "power retval = %d\n", rc);
88
82 rc = usb_control_msg(mydev->udev,
83 usb_sndctrlpipe(mydev->udev, 0),
84 0x12,
85 0x48,
86 (80 * 0x100) + 10, /* (power mode) */
87 (0x00 * 0x100) + (mydev->powered ? 1 : 0),
88 NULL,
89 0,
90 2000);
91 if (rc < 0)
92 dev_dbg(&mydev->udev->dev, "power retval = %d\n", rc);
93
89 if (mydev->shadow_power && !mydev->powered)
94 if (!mydev->powered && mydev->has_interface_pm) {
90 usb_autopm_put_interface(mydev->intf);
95 usb_autopm_put_interface(mydev->intf);
96 mydev->has_interface_pm = 0;
97 }
91}
92
93static void update_display_mode(struct usb_sevsegdev *mydev)
94{
95 int rc;
96
97 if(mydev->shadow_power != 1)
98 return;

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346 dev_err(&interface->dev, "Out of memory\n");
347 goto error_mem;
348 }
349
350 mydev->udev = usb_get_dev(udev);
351 mydev->intf = interface;
352 usb_set_intfdata(interface, mydev);
353
98}
99
100static void update_display_mode(struct usb_sevsegdev *mydev)
101{
102 int rc;
103
104 if(mydev->shadow_power != 1)
105 return;

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353 dev_err(&interface->dev, "Out of memory\n");
354 goto error_mem;
355 }
356
357 mydev->udev = usb_get_dev(udev);
358 mydev->intf = interface;
359 usb_set_intfdata(interface, mydev);
360
361 /* PM */
362 mydev->shadow_power = 1; /* currently active */
363 mydev->has_interface_pm = 0; /* have not issued autopm_get */
364
354 /*set defaults */
355 mydev->textmode = 0x02; /* ascii mode */
356 mydev->mode_msb = 0x06; /* 6 characters */
357 mydev->mode_lsb = 0x3f; /* scanmode for 6 chars */
358
359 rc = sysfs_create_group(&interface->dev.kobj, &dev_attr_grp);
360 if (rc)
361 goto error;

--- 90 unchanged lines hidden --- 		365 /*set defaults */
366 mydev->textmode = 0x02; /* ascii mode */
367 mydev->mode_msb = 0x06; /* 6 characters */
368 mydev->mode_lsb = 0x3f; /* scanmode for 6 chars */
369
370 rc = sysfs_create_group(&interface->dev.kobj, &dev_attr_grp);
371 if (rc)
372 goto error;

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