Hello.
On 19-05-2014 10:18, Li Jun wrote:
From: Li Jun <b47624@xxxxxxxxxxxxx>
This patch sets host request flag in sys input when a A device
set a_bus_req or a B device set b_bus_req in peripheral role.
Signed-off-by: Li Jun <b47624@xxxxxxxxxxxxx>
---
drivers/usb/chipidea/otg_fsm.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
index 923b789..41faffa 100644
--- a/drivers/usb/chipidea/otg_fsm.c
+++ b/drivers/usb/chipidea/otg_fsm.c
[...]
@@ -162,8 +167,14 @@ set_b_bus_req(struct device *dev, struct device_attribute *attr,
mutex_lock(&ci->fsm.lock);
if (buf[0] == '0')
ci->fsm.b_bus_req = 0;
- else if (buf[0] == '1')
+ else if (buf[0] == '1') {
{} should be used on both arms of the *if* statement since it's used on
one arm, according to Documentation/CodingStyle. Though actually, a *switch*
statement is asking to be here...
ci->fsm.b_bus_req = 1;
+ if (ci->transceiver->state == OTG_STATE_B_PERIPHERAL) {
+ ci->gadget.host_request_flag = 1;
+ mutex_unlock(&ci->fsm.lock);
+ return count;
+ }
+ }
WBR, Sergei
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