From: Dean Anderson <dean@sensoray.com>
To: linux-media@vger.kernel.org, linux-dev@sensoray.com
Subject: [PATCH 1/1] s2255drv: update firmware load.
Date: Fri, 3 Nov 2017 13:11:03 -0700 [thread overview]
Message-ID: <20171103201103.GA23415@sensoray.com> (raw)
fixes intermittent soft reboot issue with firmware load
increases wait time of reset, as required by HW
Signed-off-by: Dean Anderson <dean@sensoray.com>
---
drivers/media/usb/s2255/s2255drv.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c
index b2f239c..8a8e314 100644
--- a/drivers/media/usb/s2255/s2255drv.c
+++ b/drivers/media/usb/s2255/s2255drv.c
@@ -350,7 +350,7 @@ static void s2255_fillbuff(struct s2255_vc *vc, struct s2255_buffer *buf,
int jpgsize);
static int s2255_set_mode(struct s2255_vc *vc, struct s2255_mode *mode);
static int s2255_board_shutdown(struct s2255_dev *dev);
-static void s2255_fwload_start(struct s2255_dev *dev, int reset);
+static void s2255_fwload_start(struct s2255_dev *dev);
static void s2255_destroy(struct s2255_dev *dev);
static long s2255_vendor_req(struct s2255_dev *dev, unsigned char req,
u16 index, u16 value, void *buf,
@@ -476,7 +476,7 @@ static void planar422p_to_yuv_packed(const unsigned char *in,
static void s2255_reset_dsppower(struct s2255_dev *dev)
{
s2255_vendor_req(dev, 0x40, 0x0000, 0x0001, NULL, 0, 1);
- msleep(20);
+ msleep(50);
s2255_vendor_req(dev, 0x50, 0x0000, 0x0000, NULL, 0, 1);
msleep(600);
s2255_vendor_req(dev, 0x10, 0x0000, 0x0000, NULL, 0, 1);
@@ -1449,7 +1449,7 @@ static int s2255_open(struct file *file)
case S2255_FW_FAILED:
s2255_dev_err(&dev->udev->dev,
"firmware load failed. retrying.\n");
- s2255_fwload_start(dev, 1);
+ s2255_fwload_start(dev);
wait_event_timeout(dev->fw_data->wait_fw,
((atomic_read(&dev->fw_data->fw_state)
== S2255_FW_SUCCESS) ||
@@ -2208,10 +2208,9 @@ static void s2255_stop_readpipe(struct s2255_dev *dev)
return;
}
-static void s2255_fwload_start(struct s2255_dev *dev, int reset)
+static void s2255_fwload_start(struct s2255_dev *dev)
{
- if (reset)
- s2255_reset_dsppower(dev);
+ s2255_reset_dsppower(dev);
dev->fw_data->fw_size = dev->fw_data->fw->size;
atomic_set(&dev->fw_data->fw_state, S2255_FW_NOTLOADED);
memcpy(dev->fw_data->pfw_data,
@@ -2336,7 +2335,7 @@ static int s2255_probe(struct usb_interface *interface,
retval = s2255_board_init(dev);
if (retval)
goto errorBOARDINIT;
- s2255_fwload_start(dev, 0);
+ s2255_fwload_start(dev);
/* loads v4l specific */
retval = s2255_probe_v4l(dev);
if (retval)
--
2.7.4
reply other threads:[~2017-11-03 20:34 UTC|newest]
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