lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

i2c/tps65010: Vibrator hookup to gpiolib

Browse Source 
All the tps6501{0,1,2,3,4} chips have a signal for hooking up with
a vibrator (for non-auditory cell phone "ring") ... expose that as
one more (output-only) GPIO.

[ dbrownell@users.sourceforge.net: comments; list tps65014 too ]

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Marek Vasut
2008-10-14 17:30:04 +02:00
committed by Jean Delvare
parent b806a71a0e
commit b84ee0b0c7
1 changed files with 9 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/i2c/chips/tps65010.c
View File

@@ -456,14 +456,17 @@ static irqreturn_t tps65010_irq(int irq, void *_tps)
/* offsets 0..3 == GPIO1..GPIO4 /* offsets 0..3 == GPIO1..GPIO4
* offsets 4..5 == LED1/nPG, LED2 (we set one of the non-BLINK modes) * offsets 4..5 == LED1/nPG, LED2 (we set one of the non-BLINK modes)
* offset 6 == vibrator motor driver
*/ */
static void static void
tps65010_gpio_set(struct gpio_chip *chip, unsigned offset, int value) tps65010_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{ {
if (offset < 4) if (offset < 4)
tps65010_set_gpio_out_value(offset + 1, value); tps65010_set_gpio_out_value(offset + 1, value);
else else if (offset < 6)
tps65010_set_led(offset - 3, value ? ON : OFF); tps65010_set_led(offset - 3, value ? ON : OFF);
else
tps65010_set_vib(value);
} }
static int static int
@@ -477,8 +480,10 @@ tps65010_output(struct gpio_chip *chip, unsigned offset, int value)
if (!(tps->outmask & (1 << offset))) if (!(tps->outmask & (1 << offset)))
return -EINVAL; return -EINVAL;
tps65010_set_gpio_out_value(offset + 1, value); tps65010_set_gpio_out_value(offset + 1, value);
} else } else if (offset < 6)
tps65010_set_led(offset - 3, value ? ON : OFF); tps65010_set_led(offset - 3, value ? ON : OFF);
else
tps65010_set_vib(value);
return 0; return 0;
} }
@@ -646,7 +651,7 @@ static int tps65010_probe(struct i2c_client *client,
tps->chip.get = tps65010_gpio_get; tps->chip.get = tps65010_gpio_get;
tps->chip.base = board->base; tps->chip.base = board->base;
tps->chip.ngpio = 6; tps->chip.ngpio = 7;
tps->chip.can_sleep = 1; tps->chip.can_sleep = 1;
status = gpiochip_add(&tps->chip); status = gpiochip_add(&tps->chip);
@@ -675,6 +680,7 @@ static const struct i2c_device_id tps65010_id[] = {
{ "tps65011", TPS65011 }, { "tps65011", TPS65011 },
{ "tps65012", TPS65012 }, { "tps65012", TPS65012 },
{ "tps65013", TPS65013 }, { "tps65013", TPS65013 },
{ "tps65014", TPS65011 }, /* tps65011 charging at 6.5V max */
{ } { }
}; };
MODULE_DEVICE_TABLE(i2c, tps65010_id); MODULE_DEVICE_TABLE(i2c, tps65010_id);