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path: root/drivers/leds/leds-pca9532.c
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Diffstat (limited to 'drivers/leds/leds-pca9532.c')
-rw-r--r--drivers/leds/leds-pca9532.c58
1 files changed, 29 insertions, 29 deletions
diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c
index 3937244fdcab..dba8921240f2 100644
--- a/drivers/leds/leds-pca9532.c
+++ b/drivers/leds/leds-pca9532.c
@@ -35,7 +35,7 @@ struct pca9532_data {
35 struct pca9532_led leds[16]; 35 struct pca9532_led leds[16];
36 struct mutex update_lock; 36 struct mutex update_lock;
37 struct input_dev *idev; 37 struct input_dev *idev;
38 struct work_struct work; 38 struct work_struct work;
39 u8 pwm[2]; 39 u8 pwm[2];
40 u8 psc[2]; 40 u8 psc[2];
41}; 41};
@@ -87,14 +87,14 @@ static int pca9532_calcpwm(struct i2c_client *client, int pwm, int blink,
87 if (b > 0xFF) 87 if (b > 0xFF)
88 return -EINVAL; 88 return -EINVAL;
89 data->pwm[pwm] = b; 89 data->pwm[pwm] = b;
90 data->psc[pwm] = blink; 90 data->psc[pwm] = blink;
91 return 0; 91 return 0;
92} 92}
93 93
94static int pca9532_setpwm(struct i2c_client *client, int pwm) 94static int pca9532_setpwm(struct i2c_client *client, int pwm)
95{ 95{
96 struct pca9532_data *data = i2c_get_clientdata(client); 96 struct pca9532_data *data = i2c_get_clientdata(client);
97 mutex_lock(&data->update_lock); 97 mutex_lock(&data->update_lock);
98 i2c_smbus_write_byte_data(client, PCA9532_REG_PWM(pwm), 98 i2c_smbus_write_byte_data(client, PCA9532_REG_PWM(pwm),
99 data->pwm[pwm]); 99 data->pwm[pwm]);
100 i2c_smbus_write_byte_data(client, PCA9532_REG_PSC(pwm), 100 i2c_smbus_write_byte_data(client, PCA9532_REG_PSC(pwm),
@@ -132,11 +132,11 @@ static void pca9532_set_brightness(struct led_classdev *led_cdev,
132 led->state = PCA9532_ON; 132 led->state = PCA9532_ON;
133 else { 133 else {
134 led->state = PCA9532_PWM0; /* Thecus: hardcode one pwm */ 134 led->state = PCA9532_PWM0; /* Thecus: hardcode one pwm */
135 err = pca9532_calcpwm(led->client, 0, 0, value); 135 err = pca9532_calcpwm(led->client, 0, 0, value);
136 if (err) 136 if (err)
137 return; /* XXX: led api doesn't allow error code? */ 137 return; /* XXX: led api doesn't allow error code? */
138 } 138 }
139 schedule_work(&led->work); 139 schedule_work(&led->work);
140} 140}
141 141
142static int pca9532_set_blink(struct led_classdev *led_cdev, 142static int pca9532_set_blink(struct led_classdev *led_cdev,
@@ -145,7 +145,7 @@ static int pca9532_set_blink(struct led_classdev *led_cdev,
145 struct pca9532_led *led = ldev_to_led(led_cdev); 145 struct pca9532_led *led = ldev_to_led(led_cdev);
146 struct i2c_client *client = led->client; 146 struct i2c_client *client = led->client;
147 int psc; 147 int psc;
148 int err = 0; 148 int err = 0;
149 149
150 if (*delay_on == 0 && *delay_off == 0) { 150 if (*delay_on == 0 && *delay_off == 0) {
151 /* led subsystem ask us for a blink rate */ 151 /* led subsystem ask us for a blink rate */
@@ -157,11 +157,11 @@ static int pca9532_set_blink(struct led_classdev *led_cdev,
157 157
158 /* Thecus specific: only use PSC/PWM 0 */ 158 /* Thecus specific: only use PSC/PWM 0 */
159 psc = (*delay_on * 152-1)/1000; 159 psc = (*delay_on * 152-1)/1000;
160 err = pca9532_calcpwm(client, 0, psc, led_cdev->brightness); 160 err = pca9532_calcpwm(client, 0, psc, led_cdev->brightness);
161 if (err) 161 if (err)
162 return err; 162 return err;
163 schedule_work(&led->work); 163 schedule_work(&led->work);
164 return 0; 164 return 0;
165} 165}
166 166
167static int pca9532_event(struct input_dev *dev, unsigned int type, 167static int pca9532_event(struct input_dev *dev, unsigned int type,
@@ -178,15 +178,15 @@ static int pca9532_event(struct input_dev *dev, unsigned int type,
178 else 178 else
179 data->pwm[1] = 0; 179 data->pwm[1] = 0;
180 180
181 schedule_work(&data->work); 181 schedule_work(&data->work);
182 182
183 return 0; 183 return 0;
184} 184}
185 185
186static void pca9532_input_work(struct work_struct *work) 186static void pca9532_input_work(struct work_struct *work)
187{ 187{
188 struct pca9532_data *data; 188 struct pca9532_data *data;
189 data = container_of(work, struct pca9532_data, work); 189 data = container_of(work, struct pca9532_data, work);
190 mutex_lock(&data->update_lock); 190 mutex_lock(&data->update_lock);
191 i2c_smbus_write_byte_data(data->client, PCA9532_REG_PWM(1), 191 i2c_smbus_write_byte_data(data->client, PCA9532_REG_PWM(1),
192 data->pwm[1]); 192 data->pwm[1]);
@@ -195,11 +195,11 @@ static void pca9532_input_work(struct work_struct *work)
195 195
196static void pca9532_led_work(struct work_struct *work) 196static void pca9532_led_work(struct work_struct *work)
197{ 197{
198 struct pca9532_led *led; 198 struct pca9532_led *led;
199 led = container_of(work, struct pca9532_led, work); 199 led = container_of(work, struct pca9532_led, work);
200 if (led->state == PCA9532_PWM0) 200 if (led->state == PCA9532_PWM0)
201 pca9532_setpwm(led->client, 0); 201 pca9532_setpwm(led->client, 0);
202 pca9532_setled(led); 202 pca9532_setled(led);
203} 203}
204 204
205static int pca9532_configure(struct i2c_client *client, 205static int pca9532_configure(struct i2c_client *client,
@@ -232,7 +232,7 @@ static int pca9532_configure(struct i2c_client *client,
232 led->ldev.brightness = LED_OFF; 232 led->ldev.brightness = LED_OFF;
233 led->ldev.brightness_set = pca9532_set_brightness; 233 led->ldev.brightness_set = pca9532_set_brightness;
234 led->ldev.blink_set = pca9532_set_blink; 234 led->ldev.blink_set = pca9532_set_blink;
235 INIT_WORK(&led->work, pca9532_led_work); 235 INIT_WORK(&led->work, pca9532_led_work);
236 err = led_classdev_register(&client->dev, &led->ldev); 236 err = led_classdev_register(&client->dev, &led->ldev);
237 if (err < 0) { 237 if (err < 0) {
238 dev_err(&client->dev, 238 dev_err(&client->dev,
@@ -262,11 +262,11 @@ static int pca9532_configure(struct i2c_client *client,
262 BIT_MASK(SND_TONE); 262 BIT_MASK(SND_TONE);
263 data->idev->event = pca9532_event; 263 data->idev->event = pca9532_event;
264 input_set_drvdata(data->idev, data); 264 input_set_drvdata(data->idev, data);
265 INIT_WORK(&data->work, pca9532_input_work); 265 INIT_WORK(&data->work, pca9532_input_work);
266 err = input_register_device(data->idev); 266 err = input_register_device(data->idev);
267 if (err) { 267 if (err) {
268 input_free_device(data->idev); 268 input_free_device(data->idev);
269 cancel_work_sync(&data->work); 269 cancel_work_sync(&data->work);
270 data->idev = NULL; 270 data->idev = NULL;
271 goto exit; 271 goto exit;
272 } 272 }
@@ -283,13 +283,13 @@ exit:
283 break; 283 break;
284 case PCA9532_TYPE_LED: 284 case PCA9532_TYPE_LED:
285 led_classdev_unregister(&data->leds[i].ldev); 285 led_classdev_unregister(&data->leds[i].ldev);
286 cancel_work_sync(&data->leds[i].work); 286 cancel_work_sync(&data->leds[i].work);
287 break; 287 break;
288 case PCA9532_TYPE_N2100_BEEP: 288 case PCA9532_TYPE_N2100_BEEP:
289 if (data->idev != NULL) { 289 if (data->idev != NULL) {
290 input_unregister_device(data->idev); 290 input_unregister_device(data->idev);
291 input_free_device(data->idev); 291 input_free_device(data->idev);
292 cancel_work_sync(&data->work); 292 cancel_work_sync(&data->work);
293 data->idev = NULL; 293 data->idev = NULL;
294 } 294 }
295 break; 295 break;
@@ -340,13 +340,13 @@ static int pca9532_remove(struct i2c_client *client)
340 break; 340 break;
341 case PCA9532_TYPE_LED: 341 case PCA9532_TYPE_LED:
342 led_classdev_unregister(&data->leds[i].ldev); 342 led_classdev_unregister(&data->leds[i].ldev);
343 cancel_work_sync(&data->leds[i].work); 343 cancel_work_sync(&data->leds[i].work);
344 break; 344 break;
345 case PCA9532_TYPE_N2100_BEEP: 345 case PCA9532_TYPE_N2100_BEEP:
346 if (data->idev != NULL) { 346 if (data->idev != NULL) {
347 input_unregister_device(data->idev); 347 input_unregister_device(data->idev);
348 input_free_device(data->idev); 348 input_free_device(data->idev);
349 cancel_work_sync(&data->work); 349 cancel_work_sync(&data->work);
350 data->idev = NULL; 350 data->idev = NULL;
351 } 351 }
352 break; 352 break;