linux-kernel - [PATCH 3.4 004/172] hx4700: regulator: declare full constraints

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Message-Id: <1434443826-4929-4-git-send-email-lizf@kernel.org>
Date:	Tue, 16 Jun 2015 16:34:18 +0800
From:	lizf@...nel.org
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Martin Vajnar <martin.vajnar@...il.com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Zefan Li <lizefan@...wei.com>
Subject: [PATCH 3.4 004/172] hx4700: regulator: declare full constraints

From: Martin Vajnar <martin.vajnar@...il.com>

3.4.108-rc1 review patch.  If anyone has any objections, please let me know.

------------------


commit a52d209336f8fc7483a8c7f4a8a7d2a8e1692a6c upstream.

Since the removal of CONFIG_REGULATOR_DUMMY option, the touchscreen stopped
working. This patch enables the "replacement" for REGULATOR_DUMMY and
allows the touchscreen to work even though there is no regulator for "vcc".

Signed-off-by: Martin Vajnar <martin.vajnar@...il.com>
Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
Signed-off-by: Zefan Li <lizefan@...wei.com>
---
 arch/arm/mach-pxa/hx4700.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index b83b95a..f35a30f 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -881,6 +881,8 @@ static void __init hx4700_init(void)
 	mdelay(10);
 	gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
 	mdelay(10);
+
+	regulator_has_full_constraints();
 }
 
 MACHINE_START(H4700, "HP iPAQ HX4700")
-- 
1.9.1

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