[02/10] Input: synaptics-rmi4 - Add rmi_find_function()
diff mbox

Message ID 20170110161128.7441-3-benjamin.tissoires@redhat.com
State Accepted
Headers show

Commit Message

Benjamin Tissoires Jan. 10, 2017, 4:11 p.m. UTC
If a function needs to communicate with an other, it's better to have
a way to retrieve this other.

Reviewed-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
---
 drivers/input/rmi4/rmi_driver.c | 13 +++++++++++++
 drivers/input/rmi4/rmi_driver.h |  1 +
 2 files changed, 14 insertions(+)

Comments

Dmitry Torokhov Feb. 6, 2017, 7:28 p.m. UTC | #1
On Tue, Jan 10, 2017 at 05:11:20PM +0100, Benjamin Tissoires wrote:
> If a function needs to communicate with an other, it's better to have
> a way to retrieve this other.
> 
> Reviewed-by: Andrew Duggan <aduggan@synaptics.com>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

Applied, thank you.

> ---
>  drivers/input/rmi4/rmi_driver.c | 13 +++++++++++++
>  drivers/input/rmi4/rmi_driver.h |  1 +
>  2 files changed, 14 insertions(+)
> 
> diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
> index 11447ab..87dbb0c 100644
> --- a/drivers/input/rmi4/rmi_driver.c
> +++ b/drivers/input/rmi4/rmi_driver.c
> @@ -265,6 +265,19 @@ static int rmi_irq_init(struct rmi_device *rmi_dev)
>  	return 0;
>  }
>  
> +struct rmi_function *rmi_find_function(struct rmi_device *rmi_dev, u8 number)
> +{
> +	struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
> +	struct rmi_function *entry;
> +
> +	list_for_each_entry(entry, &data->function_list, node) {
> +		if (entry->fd.function_number == number)
> +			return entry;
> +	}
> +
> +	return NULL;
> +}
> +
>  static int suspend_one_function(struct rmi_function *fn)
>  {
>  	struct rmi_function_handler *fh;
> diff --git a/drivers/input/rmi4/rmi_driver.h b/drivers/input/rmi4/rmi_driver.h
> index 24f8f76..0506371 100644
> --- a/drivers/input/rmi4/rmi_driver.h
> +++ b/drivers/input/rmi4/rmi_driver.h
> @@ -93,6 +93,7 @@ bool rmi_is_physical_driver(struct device_driver *);
>  int rmi_register_physical_driver(void);
>  void rmi_unregister_physical_driver(void);
>  void rmi_free_function_list(struct rmi_device *rmi_dev);
> +struct rmi_function *rmi_find_function(struct rmi_device *rmi_dev, u8 number);
>  int rmi_enable_sensor(struct rmi_device *rmi_dev);
>  int rmi_scan_pdt(struct rmi_device *rmi_dev, void *ctx,
>  		 int (*callback)(struct rmi_device *rmi_dev, void *ctx,
> -- 
> 2.9.3
>

Patch
diff mbox

diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
index 11447ab..87dbb0c 100644
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -265,6 +265,19 @@  static int rmi_irq_init(struct rmi_device *rmi_dev)
 	return 0;
 }
 
+struct rmi_function *rmi_find_function(struct rmi_device *rmi_dev, u8 number)
+{
+	struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
+	struct rmi_function *entry;
+
+	list_for_each_entry(entry, &data->function_list, node) {
+		if (entry->fd.function_number == number)
+			return entry;
+	}
+
+	return NULL;
+}
+
 static int suspend_one_function(struct rmi_function *fn)
 {
 	struct rmi_function_handler *fh;
diff --git a/drivers/input/rmi4/rmi_driver.h b/drivers/input/rmi4/rmi_driver.h
index 24f8f76..0506371 100644
--- a/drivers/input/rmi4/rmi_driver.h
+++ b/drivers/input/rmi4/rmi_driver.h
@@ -93,6 +93,7 @@  bool rmi_is_physical_driver(struct device_driver *);
 int rmi_register_physical_driver(void);
 void rmi_unregister_physical_driver(void);
 void rmi_free_function_list(struct rmi_device *rmi_dev);
+struct rmi_function *rmi_find_function(struct rmi_device *rmi_dev, u8 number);
 int rmi_enable_sensor(struct rmi_device *rmi_dev);
 int rmi_scan_pdt(struct rmi_device *rmi_dev, void *ctx,
 		 int (*callback)(struct rmi_device *rmi_dev, void *ctx,