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os/board/rtl8730e: Add touch power on off using gpio #6554

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os/board/rtl8730e: Add touch power on off using gpio #6554

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16 changes: 16 additions & 0 deletions os/board/rtl8730e/src/rtl8730e_ist415.c
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,9 @@ struct rtl8730e_ist415_s g_rtl8730e_ist415_priv0;

static void rtl8730e_ist415_enable_irq(void);
static void rtl8730e_ist415_disable_irq(void);
static void rtl8730e_ist415_gpio_reset(void);
static void rtl8730e_ist415_gpio_on(void);
static void rtl8730e_ist415_gpio_off(void);

/****************************************************************************
* Private Data
Expand All @@ -88,6 +91,9 @@ static struct ist415_dev_s g_ist415_dev0 = {
.ops = &(struct ist415_ops_s){
.irq_enable = rtl8730e_ist415_enable_irq,
.irq_disable = rtl8730e_ist415_disable_irq,
.reset = rtl8730e_ist415_gpio_reset,
.power_on = rtl8730e_ist415_gpio_on,
.power_off = rtl8730e_ist415_gpio_off,
},
.priv = &g_rtl8730e_ist415_priv0,
};
Expand Down Expand Up @@ -131,6 +137,16 @@ static void rtl8730e_ist415_gpio_reset(void)
GPIO_WriteBit(IST415_GPIO_RESET_PIN, PIN_HIGH);
}

static void rtl8730e_ist415_gpio_on(void)
{
GPIO_WriteBit(IST415_GPIO_RESET_PIN, PIN_HIGH);
}

static void rtl8730e_ist415_gpio_off(void)
{
GPIO_WriteBit(IST415_GPIO_RESET_PIN, PIN_LOW);
}

static void rtl8730e_ist415_gpio_init(void)
{
Pinmux_Config(IST415_GPIO_RESET_PIN, PINMUX_FUNCTION_GPIO);
Expand Down
2 changes: 2 additions & 0 deletions os/drivers/input/ist415.c
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,7 @@ static int ist415_get_touch_data(struct ist415_dev_s *dev, FAR void *buf)
static void ist415_enable(struct touchscreen_s *dev)
{
struct ist415_dev_s *priv = (struct ist415_dev_s *)dev->priv;
priv->ops->power_on();
priv->ops->irq_enable();
}

Expand All @@ -181,6 +182,7 @@ static void ist415_disable(struct touchscreen_s *dev)
{
struct ist415_dev_s *priv = (struct ist415_dev_s *)dev->priv;
priv->ops->irq_disable();
priv->ops->power_off();
}

/****************************************************************************
Expand Down
3 changes: 3 additions & 0 deletions os/include/tinyara/input/ist415.h
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Expand Up @@ -259,6 +259,9 @@ struct ts_event_coordinate {
struct ist415_ops_s {
CODE void (*irq_enable)(void); /* Enables the irq */
CODE void (*irq_disable)(void); /* Disables the irq */
CODE void (*reset)(void); /* Reset Touch IC */
CODE void (*power_on)(void); /* Power on Touch IC */
CODE void (*power_off)(void); /* Power off Touch IC*/
};

/* IST415 Device */
Expand Down