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hung-chang-dso-2100: Fix session source fd 

For session sources without a file descriptor to poll a negative number
should be passed for the fd parameter. The hung-chang-dso-2100 driver
currently passes 0 instead, which is the stdin stream. Fix the issue by
passing -1 for the fd parameter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
This commit is contained in:
Lars-Peter Clausen 2016-01-23 14:21:15 +01:00 committed by Uwe Hermann
parent eb8e6cd2cb
commit b165a24234
1 changed files with 2 additions and 2 deletions
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4
src/hardware/hung-chang-dso-2100/api.c
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@ -715,7 +715,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
std_session_send_df_header(cb_data, LOG_PREFIX);
sr_session_source_add(sdi->session, 0, 0, 8,
sr_session_source_add(sdi->session, -1, 0, 8,
hung_chang_dso_2100_poll, (void *)sdi);
return SR_OK;
@ -730,7 +730,7 @@ SR_PRIV int hung_chang_dso_2100_dev_acquisition_stop(const struct sr_dev_inst *s
return SR_ERR_DEV_CLOSED;
sr_session_send(cb_data, &packet);
sr_session_source_remove(sdi->session, 0);
sr_session_source_remove(sdi->session, -1);
hung_chang_dso_2100_move_to(sdi, 1);