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V4L/DVB (6357): pvrusb2: Improve encoder chip health tracking

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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 <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mike Isely 2007-10-14 18:18:12 -03:00 committed by Mauro Carvalho Chehab
parent a39a8ed7be
commit 9a607f01b0
3 changed files with 15 additions and 5 deletions
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6
drivers/media/video/pvrusb2/pvrusb2-encoder.c
View File

@ -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."

11
drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
View File

@ -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;

3
drivers/media/video/pvrusb2/pvrusb2-hdw.c
View File

@ -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;