The spectral data provided via relay-fs introduces a buffering
latency given by the subbuf_size. To meet the requirements for
delay-sensitive applications (like real-time spectral plotter),
reduce subbuf_size and increase n_subbufs.
Signed-off-by: Zefir Kurtisi <zefir.kurtisi@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/debug.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 67a2a4b..e6307b8 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -2072,7 +2072,7 @@ int ath9k_init_debug(struct ath_hw *ah)
&fops_modal_eeprom);
sc->rfs_chan_spec_scan = relay_open("spectral_scan",
sc->debug.debugfs_phy,
- 262144, 4, &rfs_spec_scan_cb,
+ 1024, 256, &rfs_spec_scan_cb,
NULL);
debugfs_create_file("spectral_scan_ctl", S_IRUSR | S_IWUSR,
sc->debug.debugfs_phy, sc,
--
1.7.4.1
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