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authorZefir Kurtisi <zefir.kurtisi@neratec.com>2013-03-22 12:58:23 +0100
committerJohn W. Linville <linville@tuxdriver.com>2013-03-27 13:37:32 -0400
commit55f39e67399d3d4cf0c9b2833da797afeafd537b (patch)
tree857e08edb2245d761501198e42b9f89666fd93b4 /drivers/net/wireless
parent64513ef449e3beaacb801d41467f47642683e35a (diff)
downloadop-kernel-dev-55f39e67399d3d4cf0c9b2833da797afeafd537b.zip
op-kernel-dev-55f39e67399d3d4cf0c9b2833da797afeafd537b.tar.gz
ath9k: trivial: change spectral relayfs buffering
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@neratec.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c2
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,
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