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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-01-17 21:18:12 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-03-02 20:31:49 +0300 |
| commit | 77a8f0ad38844b5d4163424c4feb8abbbbb55af0 (patch) | |
| tree | c7222026070a312d14f7d716f9595a0813e9298e /arch/arm | |
| parent | 6a6f70b3864a5f8f862b7153c1b4d1217f50e4d4 (diff) | |
| download | linux-77a8f0ad38844b5d4163424c4feb8abbbbb55af0.tar.xz | |
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')
| -rw-r--r-- | arch/arm/mach-pxa/raumfeld.c | 21 |
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(); |