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>
This commit is contained in:
Zefir Kurtisi 2013-03-22 12:58:23 +01:00 committed by John W. Linville
parent 64513ef449
commit 55f39e6739

View File

@ -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,