Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757192AbcCXJaM (ORCPT ); Thu, 24 Mar 2016 05:30:12 -0400 Received: from mga14.intel.com ([192.55.52.115]:33162 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757051AbcCXJ3u (ORCPT ); Thu, 24 Mar 2016 05:29:50 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,384,1455004800"; d="scan'208";a="72381442" From: Irina Tirdea To: Jonathan Cameron , linux-iio@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald , Octavian Purdila , Markus Pargmann , Srinivas Pandruvada , Irina Tirdea Subject: [PATCH 3/6] iio: gyro: bmg160: use available_scan_masks Date: Thu, 24 Mar 2016 11:29:28 +0200 Message-Id: <1458811771-25217-4-git-send-email-irina.tirdea@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1458811771-25217-1-git-send-email-irina.tirdea@intel.com> References: <1458811771-25217-1-git-send-email-irina.tirdea@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1670 Lines: 53 Use available_scan_masks to allow the iio core to select the data to send to userspace depending on which axes are enabled, instead of doing this in the driver's interrupt handler. Signed-off-by: Irina Tirdea --- drivers/iio/gyro/bmg160_core.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/iio/gyro/bmg160_core.c b/drivers/iio/gyro/bmg160_core.c index bbce3b0..8d6e5b1 100644 --- a/drivers/iio/gyro/bmg160_core.c +++ b/drivers/iio/gyro/bmg160_core.c @@ -116,6 +116,7 @@ enum bmg160_axis { AXIS_X, AXIS_Y, AXIS_Z, + AXIS_MAX, }; static const struct { @@ -763,6 +764,10 @@ static const struct iio_info bmg160_info = { .driver_module = THIS_MODULE, }; +static const unsigned long bmg160_accel_scan_masks[] = { + BIT(AXIS_X) | BIT(AXIS_Y) | BIT(AXIS_Z), + 0}; + static irqreturn_t bmg160_trigger_handler(int irq, void *p) { struct iio_poll_func *pf = p; @@ -772,8 +777,7 @@ static irqreturn_t bmg160_trigger_handler(int irq, void *p) unsigned int val; mutex_lock(&data->mutex); - for_each_set_bit(bit, indio_dev->active_scan_mask, - indio_dev->masklength) { + for (bit = 0; bit < AXIS_MAX; bit++) { ret = regmap_bulk_read(data->regmap, BMG160_AXIS_TO_REG(bit), &val, 2); if (ret < 0) { @@ -1019,6 +1023,7 @@ int bmg160_core_probe(struct device *dev, struct regmap *regmap, int irq, indio_dev->channels = bmg160_channels; indio_dev->num_channels = ARRAY_SIZE(bmg160_channels); indio_dev->name = name; + indio_dev->available_scan_masks = bmg160_accel_scan_masks; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &bmg160_info; -- 1.9.1