From mboxrd@z Thu Jan 1 00:00:00 1970 From: Quentin Schulz Subject: [PATCH 2/5] mfd: sunxi-gpadc-mfd: add buffer structure Date: Wed, 20 Jul 2016 10:29:08 +0200 Message-ID: <1469003351-15263-3-git-send-email-quentin.schulz@free-electrons.com> References: <1469003351-15263-1-git-send-email-quentin.schulz@free-electrons.com> Return-path: In-Reply-To: <1469003351-15263-1-git-send-email-quentin.schulz-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> Sender: linux-iio-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, knaack.h-Mmb7MZpHnFY@public.gmane.org, lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org, pmeerw-jW+XmwGofnusTnJN9+BGXg@public.gmane.org, maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, wens-jdAy2FN1RRM@public.gmane.org, dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org Cc: Quentin Schulz , antoine.tenart-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-input@vger.kernel.org This adds a buffer structure for files including the sunxi-gpadc-mfd header. This structure has a buffer of 32 u32 values to store data from the FIFO of the GPADC of Allwinner SoCs. A buff_size is provided in case the buffer is not full. Signed-off-by: Quentin Schulz --- include/linux/mfd/sunxi-gpadc-mfd.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/mfd/sunxi-gpadc-mfd.h b/include/linux/mfd/sunxi-gpadc-mfd.h index 7155845..f658299 100644 --- a/include/linux/mfd/sunxi-gpadc-mfd.h +++ b/include/linux/mfd/sunxi-gpadc-mfd.h @@ -20,4 +20,9 @@ struct sunxi_gpadc_mfd_dev { void __iomem *regs; }; +struct sunxi_gpadc_buffer { + u32 buffer[32]; + unsigned int buff_size; +}; + #endif -- 2.5.0