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authorIngo Molnar <mingo@kernel.org>2014-02-02 03:43:20 -0500
committerIngo Molnar <mingo@kernel.org>2014-02-02 03:43:20 -0500
commit65370bdf881e20907e7a53abab9b8c0bc5f60a6b (patch)
tree0d32a494e873b7b92dbfab0e67ffeef597ee8108 /include/linux/power/bq2415x_charger.h
parente207552e64ea053a33e856828ad7915484911d06 (diff)
parent5cb480f6b488128140c940abff3c36f524a334a8 (diff)
Merge branch 'linus' into core/locking
Refresh the topic. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/power/bq2415x_charger.h')
-rw-r--r--include/linux/power/bq2415x_charger.h48
1 files changed, 5 insertions, 43 deletions
diff --git a/include/linux/power/bq2415x_charger.h b/include/linux/power/bq2415x_charger.h
index 8dcc0f46fc0a..50762af8b834 100644
--- a/include/linux/power/bq2415x_charger.h
+++ b/include/linux/power/bq2415x_charger.h
@@ -1,7 +1,7 @@
1/* 1/*
2 * bq2415x charger driver 2 * bq2415x charger driver
3 * 3 *
4 * Copyright (C) 2011-2012 Pali Rohár <pali.rohar@gmail.com> 4 * Copyright (C) 2011-2013 Pali Rohár <pali.rohar@gmail.com>
5 * 5 *
6 * This program is free software; you can redistribute it and/or modify 6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by 7 * it under the terms of the GNU General Public License as published by
@@ -31,46 +31,9 @@
31 * termination current. It it is less or equal to zero, configuring charge 31 * termination current. It it is less or equal to zero, configuring charge
32 * and termination current will not be possible. 32 * and termination current will not be possible.
33 * 33 *
34 * Function set_mode_hook is needed for automode (setting correct current 34 * For automode support is needed to provide name of power supply device
35 * limit when charger is connected/disconnected or setting boost mode). 35 * in value notify_device. Device driver must immediately report property
36 * When is NULL, automode function is disabled. When is not NULL, it must 36 * POWER_SUPPLY_PROP_CURRENT_MAX when current changed.
37 * have this prototype:
38 *
39 * int (*set_mode_hook)(
40 * void (*hook)(enum bq2415x_mode mode, void *data),
41 * void *data)
42 *
43 * hook is hook function (see below) and data is pointer to driver private
44 * data
45 *
46 * bq2415x driver will call it as:
47 *
48 * platform_data->set_mode_hook(bq2415x_hook_function, bq2415x_device);
49 *
50 * Board/platform function set_mode_hook return non zero value when hook
51 * function was successful registered. Platform code should call that hook
52 * function (which get from pointer, with data) every time when charger
53 * was connected/disconnected or require to enable boost mode. bq2415x
54 * driver then will set correct current limit, enable/disable charger or
55 * boost mode.
56 *
57 * Hook function has this prototype:
58 *
59 * void hook(enum bq2415x_mode mode, void *data);
60 *
61 * mode is bq2415x mode (charger or boost)
62 * data is pointer to driver private data (which get from
63 * set_charger_type_hook)
64 *
65 * When bq driver is being unloaded, it call function:
66 *
67 * platform_data->set_mode_hook(NULL, NULL);
68 *
69 * (hook function and driver private data are NULL)
70 *
71 * After that board/platform code must not call driver hook function! It
72 * is possible that pointer to hook function will not be valid and calling
73 * will cause undefined result.
74 */ 37 */
75 38
76/* Supported modes with maximal current limit */ 39/* Supported modes with maximal current limit */
@@ -89,8 +52,7 @@ struct bq2415x_platform_data {
89 int charge_current; /* mA */ 52 int charge_current; /* mA */
90 int termination_current; /* mA */ 53 int termination_current; /* mA */
91 int resistor_sense; /* m ohm */ 54 int resistor_sense; /* m ohm */
92 int (*set_mode_hook)(void (*hook)(enum bq2415x_mode mode, void *data), 55 const char *notify_device; /* name */
93 void *data);
94}; 56};
95 57
96#endif 58#endif