diff options
Diffstat (limited to 'recipes/linux/linux-omap-psp-2.6.32/cam/0003-mt9v113-Fix-State-variable-handling.patch')
| -rw-r--r-- | recipes/linux/linux-omap-psp-2.6.32/cam/0003-mt9v113-Fix-State-variable-handling.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-psp-2.6.32/cam/0003-mt9v113-Fix-State-variable-handling.patch b/recipes/linux/linux-omap-psp-2.6.32/cam/0003-mt9v113-Fix-State-variable-handling.patch new file mode 100644 index 0000000000..45b54b841e --- /dev/null +++ b/recipes/linux/linux-omap-psp-2.6.32/cam/0003-mt9v113-Fix-State-variable-handling.patch @@ -0,0 +1,68 @@ +From ff2a80a1bef6f7215221812eab381f4303fffce8 Mon Sep 17 00:00:00 2001 +From: Sergio Aguirre <saaguirre@ti.com> +Date: Thu, 22 Jul 2010 13:29:16 -0500 +Subject: [PATCH 3/3] mt9v113: Fix State variable handling + +State variable was misused, and was running detection all the +time the sensor was powered back on. + +Reason? power off code was putting it to "not detected" always. + +Signed-off-by: Sergio Aguirre <saaguirre@ti.com> +--- + drivers/media/video/mt9v113.c | 23 ++++++++++++++--------- + 1 files changed, 14 insertions(+), 9 deletions(-) + +diff --git a/drivers/media/video/mt9v113.c b/drivers/media/video/mt9v113.c +index 6714240..37e3e19 100644 +--- a/drivers/media/video/mt9v113.c ++++ b/drivers/media/video/mt9v113.c +@@ -1251,7 +1251,6 @@ static int ioctl_s_power(struct v4l2_int_device *s, enum v4l2_power on) + /* Disable mux for mt9v113 data path */ + if (decoder->pdata->power_set) + err |= decoder->pdata->power_set(s, on); +- decoder->state = STATE_NOT_DETECTED; + break; + + case V4L2_POWER_STANDBY: +@@ -1260,23 +1259,29 @@ static int ioctl_s_power(struct v4l2_int_device *s, enum v4l2_power on) + break; + + case V4L2_POWER_ON: +- /* Enable mux for mt9v113 data path */ +- if (decoder->state == STATE_NOT_DETECTED) { +- +- if (decoder->pdata->power_set) +- err = decoder->pdata->power_set(s, on); ++ if (decoder->pdata->power_set) { ++ err = decoder->pdata->power_set(s, on); ++ if (err) ++ return err; ++ } + ++ if (decoder->state == STATE_NOT_DETECTED) { + /* Detect the sensor is not already detected */ +- err |= mt9v113_detect(decoder); ++ err = mt9v113_detect(decoder); + if (err) { + v4l_err(decoder->client, + "Unable to detect decoder\n"); ++ WARN_ON(1); + return err; + } + } + /* Only VGA mode for now */ +- err |= mt9v113_configure(decoder); +- err |= mt9v113_vga_mode(decoder); ++ err = mt9v113_configure(decoder); ++ if (err) ++ return err; ++ err = mt9v113_vga_mode(decoder); ++ if (err) ++ return err; + break; + + default: +-- +1.6.6.1 + |