Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a607f01b044dd83aa6daf6edad1e98cfc8c33ba
Commit: 9a607f01b044dd83aa6daf6edad1e98cfc8c33ba
Parent: a39a8ed7beaafe02ce154dfd227f7d734a9f34dc
Author: Mike Isely <[EMAIL PROTECTED]>
AuthorDate: Sun Oct 14 18:18:12 2007 -0300
Committer: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
CommitDate: Mon Oct 22 12:01:51 2007 -0200
V4L/DVB (6357): pvrusb2: Improve encoder chip health tracking
This is a minor change to help with tracking the viability of the
encoder chip within the PVR USB2 device.
Signed-off-by: Mike Isely <[EMAIL PROTECTED]>
Signed-off-by: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
---
drivers/media/video/pvrusb2/pvrusb2-encoder.c | 6 ++++++
drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h | 11 ++++++-----
drivers/media/video/pvrusb2/pvrusb2-hdw.c | 3 +++
3 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/drivers/media/video/pvrusb2/pvrusb2-encoder.c
b/drivers/media/video/pvrusb2/pvrusb2-encoder.c
index 20b6144..205087a 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-encoder.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-encoder.c
@@ -209,6 +209,11 @@ static int pvr2_encoder_cmd(void *ctxt,
LOCK_TAKE(hdw->ctl_lock); do {
+ if (!hdw->flag_encoder_ok) {
+ ret = -EIO;
+ break;
+ }
+
retry_flag = 0;
try_count++;
ret = 0;
@@ -273,6 +278,7 @@ static int pvr2_encoder_cmd(void *ctxt,
ret = -EBUSY;
}
if (ret) {
+ hdw->flag_encoder_ok = 0;
pvr2_trace(
PVR2_TRACE_ERROR_LEGS,
"Giving up on command."
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
index 985d9ae..f873994 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
@@ -225,11 +225,12 @@ struct pvr2_hdw {
unsigned int cmd_debug_write_len; //
unsigned int cmd_debug_read_len; //
- int flag_ok; // device in known good state
- int flag_disconnected; // flag_ok == 0 due to disconnect
- int flag_init_ok; // true if structure is fully initialized
- int flag_streaming_enabled; // true if streaming should be on
- int fw1_state; // current situation with fw1
+ int flag_ok; /* device in known good state */
+ int flag_disconnected; /* flag_ok == 0 due to disconnect */
+ int flag_init_ok; /* true if structure is fully initialized */
+ int flag_streaming_enabled; /* true if streaming should be on */
+ int fw1_state; /* current situation with fw1 */
+ int flag_encoder_ok; /* True if encoder is healthy */
int flag_decoder_is_tuned;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 27b12b4..402c594 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -1248,6 +1248,8 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
time we configure the encoder, then we'll fully configure it. */
hdw->enc_cur_valid = 0;
+ hdw->flag_encoder_ok = 0;
+
/* First prepare firmware loading */
ret |= pvr2_write_register(hdw, 0x0048, 0xffffffff); /*interrupt mask*/
ret |= pvr2_hdw_gpio_chg_dir(hdw,0xffffffff,0x00000088); /*gpio dir*/
@@ -1346,6 +1348,7 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"firmware2 upload post-proc failure");
} else {
+ hdw->flag_encoder_ok = !0;
hdw->subsys_enabled_mask |= (1<<PVR2_SUBSYS_B_ENC_FIRMWARE);
}
return ret;
-
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