From: Jonathan Cameron <jic23@kernel.org>
To: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: <linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <mcoquelin.stm32@gmail.com>,
<alexandre.torgue@st.com>, <linux-iio@vger.kernel.org>,
<lars@metafoo.de>, <knaack.h@gmx.de>, <pmeerw@pmeerw.net>,
<linux-stm32@st-md-mailman.stormreply.com>,
<arnaud.pouliquen@st.com>, <olivier.moysan@st.com>
Subject: Re: [PATCH v2 5/8] iio: adc: stm32-dfsdm: enable hw consumer
Date: Sun, 24 Mar 2019 16:45:59 +0000 [thread overview]
Message-ID: <20190324164559.430c12f9@archlinux> (raw)
In-Reply-To: <1553186849-6261-6-git-send-email-fabrice.gasnier@st.com>
On Thu, 21 Mar 2019 17:47:26 +0100
Fabrice Gasnier <fabrice.gasnier@st.com> wrote:
> Optionally enable IIO hw consumer, when provided (e.g. for DFSDM_IIO type).
> This is precursor patch to introduce buffer modes.
>
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Applied,
Thanks,
Jonathan
> ---
> drivers/iio/adc/stm32-dfsdm-adc.c | 14 +++++++++++++-
> 1 file changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
> index 66e2ea0..b491424 100644
> --- a/drivers/iio/adc/stm32-dfsdm-adc.c
> +++ b/drivers/iio/adc/stm32-dfsdm-adc.c
> @@ -630,9 +630,15 @@ static int stm32_dfsdm_postenable(struct iio_dev *indio_dev)
> /* Reset adc buffer index */
> adc->bufi = 0;
>
> + if (adc->hwc) {
> + ret = iio_hw_consumer_enable(adc->hwc);
> + if (ret < 0)
> + return ret;
> + }
> +
> ret = stm32_dfsdm_start_dfsdm(adc->dfsdm);
> if (ret < 0)
> - return ret;
> + goto err_stop_hwc;
>
> ret = stm32_dfsdm_adc_dma_start(indio_dev);
> if (ret) {
> @@ -652,6 +658,9 @@ static int stm32_dfsdm_postenable(struct iio_dev *indio_dev)
> stm32_dfsdm_adc_dma_stop(indio_dev);
> stop_dfsdm:
> stm32_dfsdm_stop_dfsdm(adc->dfsdm);
> +err_stop_hwc:
> + if (adc->hwc)
> + iio_hw_consumer_disable(adc->hwc);
>
> return ret;
> }
> @@ -667,6 +676,9 @@ static int stm32_dfsdm_predisable(struct iio_dev *indio_dev)
>
> stm32_dfsdm_stop_dfsdm(adc->dfsdm);
>
> + if (adc->hwc)
> + iio_hw_consumer_disable(adc->hwc);
> +
> return 0;
> }
>
next prev parent reply other threads:[~2019-03-24 16:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-21 16:47 [PATCH v2 0/8] iio: adc: stm32-dfsdm: add buffer modes Fabrice Gasnier
2019-03-21 16:47 ` [PATCH v2 1/8] iio: adc: stm32-dfsdm: make spi_master_freq more accurate Fabrice Gasnier
2019-03-24 16:41 ` Jonathan Cameron
2019-03-21 16:47 ` [PATCH v2 2/8] iio: adc: stm32-dfsdm: continuous mode depends on current mode Fabrice Gasnier
2019-03-24 16:43 ` Jonathan Cameron
2019-03-21 16:47 ` [PATCH v2 3/8] iio: adc: stm32-dfsdm: move dma enable from start_conv() to start_dma() Fabrice Gasnier
2019-03-24 16:44 ` Jonathan Cameron
2019-03-21 16:47 ` [PATCH v2 4/8] iio: adc: stm32-dfsdm: move dma slave config to start routine Fabrice Gasnier
2019-03-24 16:45 ` Jonathan Cameron
2019-03-21 16:47 ` [PATCH v2 5/8] iio: adc: stm32-dfsdm: enable hw consumer Fabrice Gasnier
2019-03-24 16:45 ` Jonathan Cameron [this message]
2019-03-21 16:47 ` [PATCH v2 6/8] iio: adc: stm32-dfsdm: add support for scan mode Fabrice Gasnier
2019-03-24 16:46 ` Jonathan Cameron
2019-03-21 16:47 ` [PATCH v2 7/8] iio: adc: stm32-dfsdm: add support for buffer modes Fabrice Gasnier
2019-03-24 17:11 ` Jonathan Cameron
2019-03-21 16:47 ` [PATCH v2 8/8] iio: adc: stm32-dfsdm: claim direct mode for raw read and settings Fabrice Gasnier
2019-03-24 17:12 ` Jonathan Cameron
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