Input: tsc2007 - make init/exit platform hw callbacks optional
Make init_platform_hw and exit_platform_hw callbacks optional since
they are not needed on all platforms.
Signed-off-by: Richard Röjfors <richard.rojfors.ext@mocean-labs.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index 75fbd75..8105bf6 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@@ -295,7 +295,8 @@
input_set_abs_params(input_dev, ABS_Y, 0, MAX_12BIT, 0, 0);
input_set_abs_params(input_dev, ABS_PRESSURE, 0, MAX_12BIT, 0, 0);
- pdata->init_platform_hw();
+ if (pdata->init_platform_hw)
+ pdata->init_platform_hw();
err = request_irq(ts->irq, tsc2007_irq, 0,
client->dev.driver->name, ts);
@@ -316,7 +317,8 @@
err_free_irq:
tsc2007_free_irq(ts);
- pdata->exit_platform_hw();
+ if (pdata->exit_platform_hw)
+ pdata->exit_platform_hw();
err_free_mem:
input_free_device(input_dev);
kfree(ts);
@@ -330,7 +332,8 @@
tsc2007_free_irq(ts);
- pdata->exit_platform_hw();
+ if (pdata->exit_platform_hw)
+ pdata->exit_platform_hw();
input_unregister_device(ts->input);
kfree(ts);