leds-lp5523.c (e3a700d8aae190e09fb06abe0ddd2e172a682508) leds-lp5523.c (ffbdccdbbaee814963a09d25b1cc598cfe131366)
1/*
2 * lp5523.c - LP5523 LED Driver
3 *
4 * Copyright (C) 2010 Nokia Corporation
5 *
6 * Contact: Samu Onkalo <samu.p.onkalo@nokia.com>
7 *
8 * This program is free software; you can redistribute it and/or

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176
177 if (ret < 0)
178 return ret;
179
180 *buf = ret;
181 return 0;
182}
183
1/*
2 * lp5523.c - LP5523 LED Driver
3 *
4 * Copyright (C) 2010 Nokia Corporation
5 *
6 * Contact: Samu Onkalo <samu.p.onkalo@nokia.com>
7 *
8 * This program is free software; you can redistribute it and/or

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176
177 if (ret < 0)
178 return ret;
179
180 *buf = ret;
181 return 0;
182}
183
184static int lp5523_configure(struct i2c_client *client)
184static int lp5523_post_init_device(struct lp55xx_chip *chip)
185{
185{
186 int ret = 0;
186 int ret;
187
187
188 ret = lp5523_write(client, LP5523_REG_ENABLE, LP5523_ENABLE);
188 ret = lp55xx_write(chip, LP5523_REG_ENABLE, LP5523_ENABLE);
189 if (ret)
190 return ret;
191
192 /* Chip startup time is 500 us, 1 - 2 ms gives some margin */
193 usleep_range(1000, 2000);
194
189 if (ret)
190 return ret;
191
192 /* Chip startup time is 500 us, 1 - 2 ms gives some margin */
193 usleep_range(1000, 2000);
194
195 ret = lp5523_write(client, LP5523_REG_CONFIG,
195 ret = lp55xx_write(chip, LP5523_REG_CONFIG,
196 LP5523_AUTO_INC | LP5523_PWR_SAVE |
197 LP5523_CP_AUTO | LP5523_AUTO_CLK |
198 LP5523_PWM_PWR_SAVE);
199 if (ret)
200 return ret;
201
202 /* turn on all leds */
196 LP5523_AUTO_INC | LP5523_PWR_SAVE |
197 LP5523_CP_AUTO | LP5523_AUTO_CLK |
198 LP5523_PWM_PWR_SAVE);
199 if (ret)
200 return ret;
201
202 /* turn on all leds */
203 ret = lp5523_write(client, LP5523_REG_ENABLE_LEDS_MSB, 0x01);
203 ret = lp55xx_write(chip, LP5523_REG_ENABLE_LEDS_MSB, 0x01);
204 if (ret)
205 return ret;
206
204 if (ret)
205 return ret;
206
207 return lp5523_write(client, LP5523_REG_ENABLE_LEDS_LSB, 0xff);
207 return lp55xx_write(chip, LP5523_REG_ENABLE_LEDS_LSB, 0xff);
208}
209
210static int lp5523_set_engine_mode(struct lp5523_engine *engine, u8 mode)
211{
212 struct lp5523_chip *chip = engine_to_lp5523(engine);
213 struct i2c_client *client = chip->client;
214 int ret;
215 u8 engine_state;

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883 flush_work(&chip->leds[i].brightness_work);
884 }
885}
886
887static void lp5523_deinit_device(struct lp5523_chip *chip);
888static int lp5523_init_device(struct lp5523_chip *chip)
889{
890 struct i2c_client *client = chip->client;
208}
209
210static int lp5523_set_engine_mode(struct lp5523_engine *engine, u8 mode)
211{
212 struct lp5523_chip *chip = engine_to_lp5523(engine);
213 struct i2c_client *client = chip->client;
214 int ret;
215 u8 engine_state;

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883 flush_work(&chip->leds[i].brightness_work);
884 }
885}
886
887static void lp5523_deinit_device(struct lp5523_chip *chip);
888static int lp5523_init_device(struct lp5523_chip *chip)
889{
890 struct i2c_client *client = chip->client;
891 struct lp55xx_chip *temp;
891 int ret;
892
892 int ret;
893
893 ret = lp5523_configure(client);
894 ret = lp5523_post_init_device(temp);
894 if (ret < 0) {
895 dev_err(&client->dev, "error configuring chip\n");
896 goto err_config;
897 }
898
899 return 0;
900
901err_config:

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918 .reset = {
919 .addr = LP5523_REG_RESET,
920 .val = LP5523_RESET,
921 },
922 .enable = {
923 .addr = LP5523_REG_ENABLE,
924 .val = LP5523_ENABLE,
925 },
895 if (ret < 0) {
896 dev_err(&client->dev, "error configuring chip\n");
897 goto err_config;
898 }
899
900 return 0;
901
902err_config:

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919 .reset = {
920 .addr = LP5523_REG_RESET,
921 .val = LP5523_RESET,
922 },
923 .enable = {
924 .addr = LP5523_REG_ENABLE,
925 .val = LP5523_ENABLE,
926 },
927 .post_init_device = lp5523_post_init_device,
926};
927
928static int lp5523_probe(struct i2c_client *client,
929 const struct i2c_device_id *id)
930{
931 struct lp5523_chip *old_chip = NULL;
932 int ret, i;
933 struct lp55xx_chip *chip;

--- 95 unchanged lines hidden --- 		928};
929
930static int lp5523_probe(struct i2c_client *client,
931 const struct i2c_device_id *id)
932{
933 struct lp5523_chip *old_chip = NULL;
934 int ret, i;
935 struct lp55xx_chip *chip;

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