From mboxrd@z Thu Jan 1 00:00:00 1970 From: Renato Lui Geh Subject: [PATCH v4 4/9] staging:iio:ad7780: add chip ID values and mask Date: Thu, 28 Feb 2019 11:24:55 -0300 Message-ID: <90c573cd53bb54d49de6ac270bcff66880ccfeb5.1551358569.git.renatogeh@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" To: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org, knaack.h@gmx.de, pmeerw@pmeerw.net, gregkh@linuxfoundation.org, stefan.popa@analog.com, alexandru.Ardelean@analog.com, giuliano.belinassi@usp.br, robh+dt@kernel.org, mark.rutland@arm.com Cc: linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-usp@googlegroups.com List-Id: devicetree@vger.kernel.org The ad7780 supports both the ad778x and ad717x families. Each chip has a corresponding ID. This patch provides a mask for extracting ID values from the status bits and also macros for the correct values for the ad7170, ad7171, ad7780 and ad7781. Signed-off-by: Renato Lui Geh --- drivers/staging/iio/adc/ad7780.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c index 56c49e28f432..ad7617a3a141 100644 --- a/drivers/staging/iio/adc/ad7780.c +++ b/drivers/staging/iio/adc/ad7780.c @@ -26,10 +26,14 @@ #define AD7780_RDY BIT(7) #define AD7780_FILTER BIT(6) #define AD7780_ERR BIT(5) -#define AD7780_ID1 BIT(4) -#define AD7780_ID0 BIT(3) #define AD7780_GAIN BIT(2) +#define AD7170_ID 0 +#define AD7171_ID 1 +#define AD7780_ID 1 +#define AD7781_ID 0 + +#define AD7780_ID_MASK (BIT(3) | BIT(4)) #define AD7780_PATTERN_GOOD 1 #define AD7780_PATTERN_MASK GENMASK(1, 0) -- 2.21.0