linux-kernel - [PATCH 1/2] mfd/mc13783: new function exposing flags

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Message-Id: <1280740459-11500-1-git-send-email-u.kleine-koenig@pengutronix.de>
Date:	Mon,  2 Aug 2010 11:14:17 +0200
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	linux-kernel@...r.kernel.org, Samuel Ortiz <sameo@...ux.intel.com>,
	lm-sensors@...sensors.org
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alberto Panizzo <maramaopercheseimorto@...il.com>,
	Sascha Hauer <s.hauer@...gutronix.de>
Subject: [PATCH 1/2] mfd/mc13783: new function exposing flags

This is needed for the mc13783-adc driver to decide if a touch screen is
connected.  If so some channels are not available as generic hwmon inputs.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
---
 drivers/mfd/mc13783-core.c  |    6 ++++++
 include/linux/mfd/mc13783.h |    2 ++
 2 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/mc13783-core.c b/drivers/mfd/mc13783-core.c
index ead84e4..a4fa191 100644
--- a/drivers/mfd/mc13783-core.c
+++ b/drivers/mfd/mc13783-core.c
@@ -226,6 +226,12 @@ int mc13783_reg_rmw(struct mc13783 *mc13783, unsigned int offset,
 }
 EXPORT_SYMBOL(mc13783_reg_rmw);
 
+int mc13783_get_flags(struct mc13783 *mc13783)
+{
+	return mc13783->flags;
+}
+EXPORT_SYMBOL(mc13783_get_flags);
+
 int mc13783_irq_mask(struct mc13783 *mc13783, int irq)
 {
 	int ret;
diff --git a/include/linux/mfd/mc13783.h b/include/linux/mfd/mc13783.h
index 4a894f6..0fa44fb 100644
--- a/include/linux/mfd/mc13783.h
+++ b/include/linux/mfd/mc13783.h
@@ -21,6 +21,8 @@ int mc13783_reg_write(struct mc13783 *mc13783, unsigned int offset, u32 val);
 int mc13783_reg_rmw(struct mc13783 *mc13783, unsigned int offset,
 		u32 mask, u32 val);
 
+int mc13783_get_flags(struct mc13783 *mc13783);
+
 int mc13783_irq_request(struct mc13783 *mc13783, int irq,
 		irq_handler_t handler, const char *name, void *dev);
 int mc13783_irq_request_nounmask(struct mc13783 *mc13783, int irq,
-- 
1.7.1

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