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[90.40.218.84]) by smtp.gmail.com with ESMTPSA id o14sm26933641wrj.66.2021.07.21.03.53.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jul 2021 03:53:36 -0700 (PDT) From: citral23 To: paul@crapouillou.net Cc: jic23@kernel.org, lars@metafoo.de, linux-mips@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, devicetree@vger.kernel.org, linux@roeck-us.net, contact@artur-rojek.eu, citral23 Subject: [PATCH 5/6] iio/adc: ingenic: modify Date: Wed, 21 Jul 2021 12:53:16 +0200 Message-Id: <20210721105317.36742-6-cbranchereau@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210721105317.36742-1-cbranchereau@gmail.com> References: <20210721105317.36742-1-cbranchereau@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The current code does not allow to set MD to 0 to sample AUX0, fix it for the JZ4760(B). Signed-off-by: citral23 --- drivers/iio/adc/ingenic-adc.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/iio/adc/ingenic-adc.c b/drivers/iio/adc/ingenic-adc.c index 618150475421..1edaae439a32 100644 --- a/drivers/iio/adc/ingenic-adc.c +++ b/drivers/iio/adc/ingenic-adc.c @@ -632,7 +632,7 @@ static int ingenic_adc_read_chan_info_raw(struct iio_dev *iio_dev, struct iio_chan_spec const *chan, int *val) { - int bit, ret, engine = (chan->channel == INGENIC_ADC_BATTERY); + int cmd, ret, engine = (chan->channel == INGENIC_ADC_BATTERY); struct ingenic_adc *adc = iio_priv(iio_dev); ret = clk_enable(adc->clk); @@ -642,11 +642,22 @@ static int ingenic_adc_read_chan_info_raw(struct iio_dev *iio_dev, return ret; } - /* We cannot sample AUX/AUX2 in parallel. */ + /* We cannot sample the aux channels in parallel. */ mutex_lock(&adc->aux_lock); if (adc->soc_data->has_aux_md && engine == 0) { - bit = BIT(chan->channel == INGENIC_ADC_AUX2); - ingenic_adc_set_config(adc, JZ_ADC_REG_CFG_AUX_MD, bit); + switch (chan->channel) { + case INGENIC_ADC_AUX0: + cmd = 0; + break; + case INGENIC_ADC_AUX: + cmd = 1; + break; + case INGENIC_ADC_AUX2: + cmd = 2; + break; + } + + ingenic_adc_set_config(adc, JZ_ADC_REG_CFG_AUX_MD, cmd); } ret = ingenic_adc_capture(adc, engine); @@ -654,6 +665,7 @@ static int ingenic_adc_read_chan_info_raw(struct iio_dev *iio_dev, goto out; switch (chan->channel) { + case INGENIC_ADC_AUX0: case INGENIC_ADC_AUX: case INGENIC_ADC_AUX2: *val = readw(adc->base + JZ_ADC_REG_ADSDAT); -- 2.30.2