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path: root/drivers/iio/light/cm36651.c
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Diffstat (limited to 'drivers/iio/light/cm36651.c')
-rw-r--r--drivers/iio/light/cm36651.c45
1 files changed, 23 insertions, 22 deletions
diff --git a/drivers/iio/light/cm36651.c b/drivers/iio/light/cm36651.c
index 0a142af83e25..a45e07492db3 100644
--- a/drivers/iio/light/cm36651.c
+++ b/drivers/iio/light/cm36651.c
@@ -50,10 +50,10 @@
50#define CM36651_CS_CONF2_DEFAULT_BIT 0x08 50#define CM36651_CS_CONF2_DEFAULT_BIT 0x08
51 51
52/* CS_CONF3 channel integration time */ 52/* CS_CONF3 channel integration time */
53#define CM36651_CS_IT1 0x00 /* Integration time 80000 usec */ 53#define CM36651_CS_IT1 0x00 /* Integration time 80 msec */
54#define CM36651_CS_IT2 0x40 /* Integration time 160000 usec */ 54#define CM36651_CS_IT2 0x40 /* Integration time 160 msec */
55#define CM36651_CS_IT3 0x80 /* Integration time 320000 usec */ 55#define CM36651_CS_IT3 0x80 /* Integration time 320 msec */
56#define CM36651_CS_IT4 0xC0 /* Integration time 640000 usec */ 56#define CM36651_CS_IT4 0xC0 /* Integration time 640 msec */
57 57
58/* PS_CONF1 command code */ 58/* PS_CONF1 command code */
59#define CM36651_PS_ENABLE 0x00 59#define CM36651_PS_ENABLE 0x00
@@ -64,10 +64,10 @@
64#define CM36651_PS_PERS4 0x0C 64#define CM36651_PS_PERS4 0x0C
65 65
66/* PS_CONF1 command code: integration time */ 66/* PS_CONF1 command code: integration time */
67#define CM36651_PS_IT1 0x00 /* Integration time 320 usec */ 67#define CM36651_PS_IT1 0x00 /* Integration time 0.32 msec */
68#define CM36651_PS_IT2 0x10 /* Integration time 420 usec */ 68#define CM36651_PS_IT2 0x10 /* Integration time 0.42 msec */
69#define CM36651_PS_IT3 0x20 /* Integration time 520 usec */ 69#define CM36651_PS_IT3 0x20 /* Integration time 0.52 msec */
70#define CM36651_PS_IT4 0x30 /* Integration time 640 usec */ 70#define CM36651_PS_IT4 0x30 /* Integration time 0.64 msec */
71 71
72/* PS_CONF1 command code: duty ratio */ 72/* PS_CONF1 command code: duty ratio */
73#define CM36651_PS_DR1 0x00 /* Duty ratio 1/80 */ 73#define CM36651_PS_DR1 0x00 /* Duty ratio 1/80 */
@@ -93,8 +93,8 @@
93#define CM36651_CLOSE_PROXIMITY 0x32 93#define CM36651_CLOSE_PROXIMITY 0x32
94#define CM36651_FAR_PROXIMITY 0x33 94#define CM36651_FAR_PROXIMITY 0x33
95 95
96#define CM36651_CS_INT_TIME_AVAIL "80000 160000 320000 640000" 96#define CM36651_CS_INT_TIME_AVAIL "0.08 0.16 0.32 0.64"
97#define CM36651_PS_INT_TIME_AVAIL "320 420 520 640" 97#define CM36651_PS_INT_TIME_AVAIL "0.000320 0.000420 0.000520 0.000640"
98 98
99enum cm36651_operation_mode { 99enum cm36651_operation_mode {
100 CM36651_LIGHT_EN, 100 CM36651_LIGHT_EN,
@@ -356,30 +356,30 @@ static int cm36651_read_channel(struct cm36651_data *cm36651,
356} 356}
357 357
358static int cm36651_read_int_time(struct cm36651_data *cm36651, 358static int cm36651_read_int_time(struct cm36651_data *cm36651,
359 struct iio_chan_spec const *chan, int *val) 359 struct iio_chan_spec const *chan, int *val2)
360{ 360{
361 switch (chan->type) { 361 switch (chan->type) {
362 case IIO_LIGHT: 362 case IIO_LIGHT:
363 if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT1) 363 if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT1)
364 *val = 80000; 364 *val2 = 80000;
365 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT2) 365 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT2)
366 *val = 160000; 366 *val2 = 160000;
367 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT3) 367 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT3)
368 *val = 320000; 368 *val2 = 320000;
369 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT4) 369 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT4)
370 *val = 640000; 370 *val2 = 640000;
371 else 371 else
372 return -EINVAL; 372 return -EINVAL;
373 break; 373 break;
374 case IIO_PROXIMITY: 374 case IIO_PROXIMITY:
375 if (cm36651->ps_int_time == CM36651_PS_IT1) 375 if (cm36651->ps_int_time == CM36651_PS_IT1)
376 *val = 320; 376 *val2 = 320;
377 else if (cm36651->ps_int_time == CM36651_PS_IT2) 377 else if (cm36651->ps_int_time == CM36651_PS_IT2)
378 *val = 420; 378 *val2 = 420;
379 else if (cm36651->ps_int_time == CM36651_PS_IT3) 379 else if (cm36651->ps_int_time == CM36651_PS_IT3)
380 *val = 520; 380 *val2 = 520;
381 else if (cm36651->ps_int_time == CM36651_PS_IT4) 381 else if (cm36651->ps_int_time == CM36651_PS_IT4)
382 *val = 640; 382 *val2 = 640;
383 else 383 else
384 return -EINVAL; 384 return -EINVAL;
385 break; 385 break;
@@ -387,7 +387,7 @@ static int cm36651_read_int_time(struct cm36651_data *cm36651,
387 return -EINVAL; 387 return -EINVAL;
388 } 388 }
389 389
390 return IIO_VAL_INT; 390 return IIO_VAL_INT_PLUS_MICRO;
391} 391}
392 392
393static int cm36651_write_int_time(struct cm36651_data *cm36651, 393static int cm36651_write_int_time(struct cm36651_data *cm36651,
@@ -459,7 +459,8 @@ static int cm36651_read_raw(struct iio_dev *indio_dev,
459 ret = cm36651_read_channel(cm36651, chan, val); 459 ret = cm36651_read_channel(cm36651, chan, val);
460 break; 460 break;
461 case IIO_CHAN_INFO_INT_TIME: 461 case IIO_CHAN_INFO_INT_TIME:
462 ret = cm36651_read_int_time(cm36651, chan, val); 462 *val = 0;
463 ret = cm36651_read_int_time(cm36651, chan, val2);
463 break; 464 break;
464 default: 465 default:
465 ret = -EINVAL; 466 ret = -EINVAL;
@@ -479,7 +480,7 @@ static int cm36651_write_raw(struct iio_dev *indio_dev,
479 int ret = -EINVAL; 480 int ret = -EINVAL;
480 481
481 if (mask == IIO_CHAN_INFO_INT_TIME) { 482 if (mask == IIO_CHAN_INFO_INT_TIME) {
482 ret = cm36651_write_int_time(cm36651, chan, val); 483 ret = cm36651_write_int_time(cm36651, chan, val2);
483 if (ret < 0) 484 if (ret < 0)
484 dev_err(&client->dev, "Integration time write failed\n"); 485 dev_err(&client->dev, "Integration time write failed\n");
485 } 486 }