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From: "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"stable@vger.kernel.org" <stable@vger.kernel.org>
Cc: Hans de Goede <hdegoede@redhat.com>,
	Chanwoo Choi <cw00.choi@samsung.com>,
	"Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com>
Subject: [PATCH review for 4.4 10/47] extcon: axp288: Use vbus-valid instead of -present to determine cable presence
Date: Wed, 20 Sep 2017 04:45:02 +0000	[thread overview]
Message-ID: <20170920044445.7392-10-alexander.levin@verizon.com> (raw)
In-Reply-To: <20170920044445.7392-1-alexander.levin@verizon.com>

From: Hans de Goede <hdegoede@redhat.com>

[ Upstream commit 5757aca10146061befd168dab37fb0db1ccd8f73 ]

The vbus-present bit in the power status register also gets set to 1
when a usb-host cable (id-pin shorted to ground) is plugged in and a 5v
boost converter is supplying 5v to the otg usb bus.

This causes a "disconnect or unknown or ID event" warning in dmesg as
well as the extcon device to report the last detected charger cable
type as being connected even though none is connected.

This commit switches to checking the vbus-valid bit instead, which is
only 1 when both vbus is present and the vbus-path is enabled in the
vbus-path control register (the vbus-path gets disabled when a usb-host
cable is detected, to avoid the pmic drawing power from the 5v boost
converter).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
---
 drivers/extcon/extcon-axp288.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c
index fd55c2f2080a..6c9d7ccebb8c 100644
--- a/drivers/extcon/extcon-axp288.c
+++ b/drivers/extcon/extcon-axp288.c
@@ -168,7 +168,7 @@ static int axp288_handle_chrg_det_event(struct axp288_extcon_info *info)
 		return ret;
 	}
 
-	vbus_attach = (pwr_stat & PS_STAT_VBUS_PRESENT);
+	vbus_attach = (pwr_stat & PS_STAT_VBUS_VALID);
 	if (!vbus_attach)
 		goto notify_otg;
 
-- 
2.11.0

  parent reply	other threads:[~2017-09-20  4:46 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-20  4:44 [PATCH review for 4.4 01/47] drm_fourcc: Fix DRM_FORMAT_MOD_LINEAR #define Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 05/47] ARM: dts: r8a7790: Use R-Car Gen 2 fallback binding for msiof nodes Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 03/47] GFS2: Fix reference to ERR_PTR in gfs2_glock_iter_next Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 02/47] drm: bridge: add DT bindings for TI ths8135 Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 04/47] RDS: RDMA: Fix the composite message user notification Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 06/47] MIPS: Ensure bss section ends on a long-aligned address Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 07/47] MIPS: kexec: Do not reserve invalid crashkernel memory on boot Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 09/47] igb: re-assign hw address pointer on reset after PCI error Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 08/47] MIPS: ralink: Fix incorrect assignment on ralink_soc Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 13/47] hwmon: (gl520sm) Fix overflows and crash seen when writing into limit attributes Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` Levin, Alexander (Sasha Levin) [this message]
2017-09-20  4:45 ` [PATCH review for 4.4 11/47] sh_eth: use correct name for ECMR_MPDE bit Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 12/47] clk: wm831x: fix usleep_range with bad range Levin, Alexander (Sasha Levin)
2017-09-22  8:46   ` Charles Keepax
2017-09-24  0:18     ` Levin, Alexander (Sasha Levin)
2017-10-06  8:03       ` Nicholas Mc Guire
2017-10-06 10:00         ` Charles Keepax
2017-09-20  4:45 ` [PATCH review for 4.4 15/47] iio: adc: hx711: Add DT binding for avia,hx711 Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 17/47] tty: goldfish: Fix a parameter of a call to free_irq Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 14/47] iio: adc: axp288: Drop bogus AXP288_ADC_TS_PIN_CTRL register modifications Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 16/47] ARM: 8635/1: nommu: allow enabling REMAP_VECTORS_TO_RAM Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 19/47] IB/ipoib: rtnl_unlock can not come after free_netdev Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 20/47] IB/ipoib: Replace list_del of the neigh->list with list_del_init Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 18/47] IB/ipoib: Fix deadlock over vlan_mutex Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 21/47] drm/amdkfd: fix improper return value on error Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 25/47] partitions/efi: Fix integer overflow in GPT size calculation Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 24/47] pinctrl: mvebu: Use seq_puts() in mvebu_pinconf_group_dbg_show() Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 22/47] USB: serial: mos7720: fix control-message error handling Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 23/47] USB: serial: mos7840: " Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 26/47] ASoC: dapm: handle probe deferrals Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 27/47] audit: log 32-bit socketcalls Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 29/47] ASoC: dapm: fix some pointer error handling Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 28/47] usb: chipidea: vbus event may exist before starting gadget Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 31/47] net: core: Prevent from dereferencing null pointer when releasing SKB Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 33/47] team: fix memory leaks Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 30/47] MIPS: Lantiq: Fix another request_mem_region() return code check Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 32/47] net/packet: check length in getsockopt() called with PACKET_HDRLEN Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 35/47] mmc: sdio: fix alignment issue in struct sdio_func Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 37/47] netfilter: invoke synchronize_rcu after set the _hook_ to NULL Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 36/47] bridge: netlink: register netdevice before executing changelink Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 34/47] usb: plusb: Add support for PL-27A1 Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 40/47] netfilter: nfnl_cthelper: fix incorrect helper->expect_class_max Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 38/47] MIPS: IRQ Stack: Unwind IRQ stack onto task stack Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 41/47] parisc: perf: Fix potential NULL pointer dereference Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 39/47] [media] exynos-gsc: Do not swap cb/cr for semi planar formats Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 42/47] iommu/io-pgtable-arm: Check for leaf entry before dereferencing it Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 44/47] md/raid10: submit bio directly to replacement disk Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 43/47] rds: ib: add error handle Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 45/47] i2c: meson: fix wrong variable usage in meson_i2c_put_data Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 47/47] libata: transport: Remove circular dependency at free time Levin, Alexander (Sasha Levin)
2017-09-20  4:45 ` [PATCH review for 4.4 46/47] xfs: remove kmem_zalloc_greedy Levin, Alexander (Sasha Levin)

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