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-rw-r--r--drivers/input/misc/twl6040-vibra.c19
-rw-r--r--drivers/mfd/twl6040-core.c31
-rw-r--r--drivers/mfd/wm8994-core.c27
-rw-r--r--drivers/regulator/core.c9
-rw-r--r--drivers/regulator/wm8994-regulator.c13
5 files changed, 87 insertions, 12 deletions
diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index 154b7a324d67..2a828e53db58 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c
@@ -74,12 +74,12 @@ static irqreturn_t twl6040_vib_irq_handler(int irq, void *data)
if (status & TWL6040_VIBLOCDET) {
dev_warn(info->dev, "Left Vibrator overcurrent detected\n");
twl6040_clear_bits(twl6040, TWL6040_REG_VIBCTLL,
- TWL6040_VIBENAL);
+ TWL6040_VIBENA);
}
if (status & TWL6040_VIBROCDET) {
dev_warn(info->dev, "Right Vibrator overcurrent detected\n");
twl6040_clear_bits(twl6040, TWL6040_REG_VIBCTLR,
- TWL6040_VIBENAR);
+ TWL6040_VIBENA);
}
return IRQ_HANDLED;
@@ -104,16 +104,16 @@ static void twl6040_vibra_enable(struct vibra_info *info)
* overcurrent detection
*/
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL,
- TWL6040_VIBENAL | TWL6040_VIBCTRLL);
+ TWL6040_VIBENA | TWL6040_VIBCTRL);
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR,
- TWL6040_VIBENAR | TWL6040_VIBCTRLR);
+ TWL6040_VIBENA | TWL6040_VIBCTRL);
usleep_range(3000, 3500);
}
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL,
- TWL6040_VIBENAL);
+ TWL6040_VIBENA);
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR,
- TWL6040_VIBENAR);
+ TWL6040_VIBENA);
info->enabled = true;
}
@@ -201,6 +201,13 @@ static int vibra_play(struct input_dev *input, void *data,
struct vibra_info *info = input_get_drvdata(input);
int ret;
+ /* Do not allow effect, while the routing is set to use audio */
+ ret = twl6040_get_vibralr_status(info->twl6040);
+ if (ret & TWL6040_VIBSEL) {
+ dev_info(&input->dev, "Vibra is configured for audio\n");
+ return -EBUSY;
+ }
+
info->weak_speed = effect->u.rumble.weak_magnitude;
info->strong_speed = effect->u.rumble.strong_magnitude;
info->direction = effect->direction < EFFECT_DIR_180_DEG ? 1 : -1;
diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c
index 7dc8c4715001..268f80fd0439 100644
--- a/drivers/mfd/twl6040-core.c
+++ b/drivers/mfd/twl6040-core.c
@@ -34,16 +34,24 @@
#include <linux/mfd/core.h>
#include <linux/mfd/twl6040.h>
+#define VIBRACTRL_MEMBER(reg) ((reg == TWL6040_REG_VIBCTLL) ? 0 : 1)
+
int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg)
{
int ret;
u8 val = 0;
mutex_lock(&twl6040->io_mutex);
- ret = twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &val, reg);
- if (ret < 0) {
- mutex_unlock(&twl6040->io_mutex);
- return ret;
+ /* Vibra control registers from cache */
+ if (unlikely(reg == TWL6040_REG_VIBCTLL ||
+ reg == TWL6040_REG_VIBCTLR)) {
+ val = twl6040->vibra_ctrl_cache[VIBRACTRL_MEMBER(reg)];
+ } else {
+ ret = twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &val, reg);
+ if (ret < 0) {
+ mutex_unlock(&twl6040->io_mutex);
+ return ret;
+ }
}
mutex_unlock(&twl6040->io_mutex);
@@ -57,6 +65,9 @@ int twl6040_reg_write(struct twl6040 *twl6040, unsigned int reg, u8 val)
mutex_lock(&twl6040->io_mutex);
ret = twl_i2c_write_u8(TWL_MODULE_AUDIO_VOICE, val, reg);
+ /* Cache the vibra control registers */
+ if (reg == TWL6040_REG_VIBCTLL || reg == TWL6040_REG_VIBCTLR)
+ twl6040->vibra_ctrl_cache[VIBRACTRL_MEMBER(reg)] = val;
mutex_unlock(&twl6040->io_mutex);
return ret;
@@ -433,6 +444,18 @@ unsigned int twl6040_get_sysclk(struct twl6040 *twl6040)
}
EXPORT_SYMBOL(twl6040_get_sysclk);
+/* Get the combined status of the vibra control register */
+int twl6040_get_vibralr_status(struct twl6040 *twl6040)
+{
+ u8 status;
+
+ status = twl6040->vibra_ctrl_cache[0] | twl6040->vibra_ctrl_cache[1];
+ status &= (TWL6040_VIBENA | TWL6040_VIBSEL);
+
+ return status;
+}
+EXPORT_SYMBOL(twl6040_get_vibralr_status);
+
static struct resource twl6040_vibra_rsrc[] = {
{
.flags = IORESOURCE_IRQ,
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 96479c9b1728..7c13ab2c64a4 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -243,6 +243,18 @@ static struct mfd_cell wm8994_devs[] = {
* and should be handled via the standard regulator API supply
* management.
*/
+static const char *wm1811_main_supplies[] = {
+ "DBVDD1",
+ "DBVDD2",
+ "DBVDD3",
+ "DCVDD",
+ "AVDD1",
+ "AVDD2",
+ "CPVDD",
+ "SPKVDD1",
+ "SPKVDD2",
+};
+
static const char *wm8994_main_supplies[] = {
"DBVDD",
"DCVDD",
@@ -401,6 +413,9 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
}
switch (wm8994->type) {
+ case WM1811:
+ wm8994->num_supplies = ARRAY_SIZE(wm1811_main_supplies);
+ break;
case WM8994:
wm8994->num_supplies = ARRAY_SIZE(wm8994_main_supplies);
break;
@@ -421,6 +436,10 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
}
switch (wm8994->type) {
+ case WM1811:
+ for (i = 0; i < ARRAY_SIZE(wm1811_main_supplies); i++)
+ wm8994->supplies[i].supply = wm1811_main_supplies[i];
+ break;
case WM8994:
for (i = 0; i < ARRAY_SIZE(wm8994_main_supplies); i++)
wm8994->supplies[i].supply = wm8994_main_supplies[i];
@@ -454,6 +473,13 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
goto err_enable;
}
switch (ret) {
+ case 0x1811:
+ devname = "WM1811";
+ if (wm8994->type != WM1811)
+ dev_warn(wm8994->dev, "Device registered as type %d\n",
+ wm8994->type);
+ wm8994->type = WM1811;
+ break;
case 0x8994:
devname = "WM8994";
if (wm8994->type != WM8994)
@@ -651,6 +677,7 @@ static int wm8994_i2c_remove(struct i2c_client *i2c)
}
static const struct i2c_device_id wm8994_i2c_id[] = {
+ { "wm1811", WM1811 },
{ "wm8994", WM8994 },
{ "wm8958", WM8958 },
{ }
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d0bde70f3466..9e4c123c4028 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1599,13 +1599,18 @@ static void regulator_disable_work(struct work_struct *work)
int regulator_disable_deferred(struct regulator *regulator, int ms)
{
struct regulator_dev *rdev = regulator->rdev;
+ int ret;
mutex_lock(&rdev->mutex);
rdev->deferred_disables++;
mutex_unlock(&rdev->mutex);
- return schedule_delayed_work(&rdev->disable_work,
- msecs_to_jiffies(ms));
+ ret = schedule_delayed_work(&rdev->disable_work,
+ msecs_to_jiffies(ms));
+ if (ret < 0)
+ return ret;
+ else
+ return 0;
}
EXPORT_SYMBOL_GPL(regulator_disable_deferred);
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 1a6a690f24db..b87bf5c841f8 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -140,6 +140,14 @@ static int wm8994_ldo2_list_voltage(struct regulator_dev *rdev,
return (selector * 100000) + 900000;
case WM8958:
return (selector * 100000) + 1000000;
+ case WM1811:
+ switch (selector) {
+ case 0:
+ return -EINVAL;
+ default:
+ return (selector * 100000) + 950000;
+ }
+ break;
default:
return -EINVAL;
}
@@ -170,6 +178,11 @@ static int wm8994_ldo2_set_voltage(struct regulator_dev *rdev,
case WM8958:
selector = (min_uV - 1000000) / 100000;
break;
+ case WM1811:
+ selector = (min_uV - 950000) / 100000;
+ if (selector == 0)
+ selector = 1;
+ break;
default:
return -EINVAL;
}