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-rw-r--r--meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-fix-poll-restart-after-fail.patch52
1 files changed, 52 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-fix-poll-restart-after-fail.patch b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-fix-poll-restart-after-fail.patch
new file mode 100644
index 0000000..3eeddec
--- /dev/null
+++ b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-fix-poll-restart-after-fail.patch
@@ -0,0 +1,52 @@
+From c4b8eca95c37d728c39c57811d975c50900605fd Mon Sep 17 00:00:00 2001
+From: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+Date: Tue, 31 May 2016 19:50:27 +0300
+Subject: [PATCH] fix poll restart after fail
+
+also add some delay before starting speaking with BT
+
+Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+---
+ uim.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/uim.c b/uim.c
+index 6bde5ca..89bafd8 100644
+--- a/uim.c
++++ b/uim.c
+@@ -286,6 +286,8 @@ int st_uart_config(unsigned char install)
+
+ UIM_START_FUNC();
+
++ usleep(100 * 1000);
++
+ if (install == '1') {
+ memset(buf, 0, UART_DEV_NAME_LEN);
+ fd = open(DEV_NAME_SYSFS, O_RDONLY);
+@@ -375,6 +377,7 @@ int st_uart_config(unsigned char install)
+
+ /* Read the response for the Change speed command */
+ if (read_command_complete(dev_fd, HCI_HDR_OPCODE) < 0) {
++ tcflush(dev_fd, TCIOFLUSH);
+ close(dev_fd);
+ return -1;
+ }
+@@ -534,7 +537,6 @@ int main(int argc, char *argv[])
+ return -1;
+ }
+
+-RE_POLL:
+ /* read to start proper poll */
+ err = read(st_fd, &install, 1);
+ /* special case where bluetoothd starts before the UIM, and UIM
+@@ -547,6 +549,7 @@ RE_POLL:
+
+ UIM_DBG("begin polling...");
+
++RE_POLL:
+ memset(&p, 0, sizeof(p));
+ p.fd = st_fd;
+ p.events = POLLERR | POLLPRI;
+--
+1.7.10.4
+