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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2016-01-17 10:18:12 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-03-02 09:31:49 -0800
commit77a8f0ad38844b5d4163424c4feb8abbbbb55af0 (patch)
treec7222026070a312d14f7d716f9595a0813e9298e /arch/arm/mach-pxa
parent6a6f70b3864a5f8f862b7153c1b4d1217f50e4d4 (diff)
Input: rotary_encoder - convert to use gpiod API
Instead of using old GPIO API, let's switch to GPIOD API, which automatically handles polarity. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r--arch/arm/mach-pxa/raumfeld.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index 36571a9a44fe..bac88e0be58a 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -21,6 +21,7 @@
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
#include <linux/smsc911x.h>
#include <linux/input.h>
#include <linux/rotary_encoder.h>
@@ -366,14 +367,21 @@ static struct pxaohci_platform_data raumfeld_ohci_info = {
* Rotary encoder input device
*/
+static struct gpiod_lookup_table raumfeld_rotary_gpios_table = {
+ .dev_id = "rotary-encoder.0",
+ .table = {
+ GPIO_LOOKUP_IDX("gpio-0",
+ GPIO_VOLENC_A, NULL, 0, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-0",
+ GPIO_VOLENC_B, NULL, 1, GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
.steps = 24,
.axis = REL_X,
.relative_axis = 1,
- .gpio_a = GPIO_VOLENC_A,
- .gpio_b = GPIO_VOLENC_B,
- .inverted_a = 1,
- .inverted_b = 0,
};
static struct platform_device rotary_encoder_device = {
@@ -1051,7 +1059,10 @@ static void __init raumfeld_controller_init(void)
int ret;
pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
+
+ gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
platform_device_register(&rotary_encoder_device);
+
spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
@@ -1086,6 +1097,8 @@ static void __init raumfeld_speaker_init(void)
i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
platform_device_register(&smc91x_device);
+
+ gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
platform_device_register(&rotary_encoder_device);
raumfeld_audio_init();