From 90032e4e9cc40e2933259190b670d70ddd149e68 Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Mon, 18 Jun 2012 18:33:49 +0200 Subject: [PATCH] iio:adc:at91: Use new triggered buffer setup helper Use the new triggered buffer setup helper function to allocate and register buffer and pollfunc. Signed-off-by: Lars-Peter Clausen Acked-by: Jonathan Cameron Acked-by: Maxime Ripard Signed-off-by: Greg Kroah-Hartman --- drivers/iio/adc/Kconfig | 3 +-- drivers/iio/adc/at91_adc.c | 51 ++++------------------------------------------ 2 files changed, 5 insertions(+), 49 deletions(-) diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 9a0df81..4f7f584 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -7,8 +7,7 @@ config AT91_ADC tristate "Atmel AT91 ADC" depends on ARCH_AT91 select IIO_BUFFER - select IIO_KFIFO_BUF - select IIO_TRIGGER + select IIO_TRIGGERED_BUFFER select SYSFS help Say yes here to build support for Atmel AT91 ADC. diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index f18a95d..6a08469 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -26,9 +26,9 @@ #include #include -#include #include #include +#include #include @@ -318,58 +318,15 @@ static void at91_adc_trigger_remove(struct iio_dev *idev) } } -static const struct iio_buffer_setup_ops at91_adc_buffer_ops = { - .preenable = &iio_sw_buffer_preenable, - .postenable = &iio_triggered_buffer_postenable, - .predisable = &iio_triggered_buffer_predisable, -}; - static int at91_adc_buffer_init(struct iio_dev *idev) { - int ret; - - idev->buffer = iio_kfifo_allocate(idev); - if (!idev->buffer) { - ret = -ENOMEM; - goto error_ret; - } - - idev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, - &at91_adc_trigger_handler, - IRQF_ONESHOT, - idev, - "%s-consumer%d", - idev->name, - idev->id); - if (idev->pollfunc == NULL) { - ret = -ENOMEM; - goto error_pollfunc; - } - - idev->setup_ops = &at91_adc_buffer_ops; - idev->modes |= INDIO_BUFFER_TRIGGERED; - - ret = iio_buffer_register(idev, - idev->channels, - idev->num_channels); - if (ret) - goto error_register; - - return 0; - -error_register: - iio_dealloc_pollfunc(idev->pollfunc); -error_pollfunc: - iio_kfifo_free(idev->buffer); -error_ret: - return ret; + return iio_triggered_buffer_setup(idev, &iio_pollfunc_store_time, + &at91_adc_trigger_handler, NULL); } static void at91_adc_buffer_remove(struct iio_dev *idev) { - iio_buffer_unregister(idev); - iio_dealloc_pollfunc(idev->pollfunc); - iio_kfifo_free(idev->buffer); + iio_triggered_buffer_cleanup(idev); } static int at91_adc_read_raw(struct iio_dev *idev, -- 2.7.4