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Diffstat (limited to 'include/linux/i2c/bh1770glc.h')
-rw-r--r-- | include/linux/i2c/bh1770glc.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/linux/i2c/bh1770glc.h b/include/linux/i2c/bh1770glc.h new file mode 100644 index 000000000000..8b5e2df36c72 --- /dev/null +++ b/include/linux/i2c/bh1770glc.h | |||
@@ -0,0 +1,53 @@ | |||
1 | /* | ||
2 | * This file is part of the ROHM BH1770GLC / OSRAM SFH7770 sensor driver. | ||
3 | * Chip is combined proximity and ambient light sensor. | ||
4 | * | ||
5 | * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). | ||
6 | * | ||
7 | * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License | ||
11 | * version 2 as published by the Free Software Foundation. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, but | ||
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
21 | * 02110-1301 USA | ||
22 | * | ||
23 | */ | ||
24 | |||
25 | #ifndef __BH1770_H__ | ||
26 | #define __BH1770_H__ | ||
27 | |||
28 | /** | ||
29 | * struct bh1770_platform_data - platform data for bh1770glc driver | ||
30 | * @led_def_curr: IR led driving current. | ||
31 | * @glass_attenuation: Attenuation factor for covering window. | ||
32 | * @setup_resources: Call back for interrupt line setup function | ||
33 | * @release_resources: Call back for interrupte line release function | ||
34 | * | ||
35 | * Example of glass attenuation: 16384 * 385 / 100 means attenuation factor | ||
36 | * of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85 | ||
37 | */ | ||
38 | |||
39 | struct bh1770_platform_data { | ||
40 | #define BH1770_LED_5mA 0 | ||
41 | #define BH1770_LED_10mA 1 | ||
42 | #define BH1770_LED_20mA 2 | ||
43 | #define BH1770_LED_50mA 3 | ||
44 | #define BH1770_LED_100mA 4 | ||
45 | #define BH1770_LED_150mA 5 | ||
46 | #define BH1770_LED_200mA 6 | ||
47 | __u8 led_def_curr; | ||
48 | #define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */ | ||
49 | __u32 glass_attenuation; | ||
50 | int (*setup_resources)(void); | ||
51 | int (*release_resources)(void); | ||
52 | }; | ||
53 | #endif | ||