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authorChristophe Ricard <christophe.ricard@gmail.com>2014-05-20 22:21:56 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2014-07-23 01:04:31 +0200
commit0531107e1cdc4f5254116c1bf972c62fb024a466 (patch)
treedeac1c63b47ce7364ccc61cfadc04284148ced52 /drivers/nfc/st21nfca
parent8e9466ccda297c0844a606910152787ce9133b24 (diff)
downloadop-kernel-dev-0531107e1cdc4f5254116c1bf972c62fb024a466.zip
op-kernel-dev-0531107e1cdc4f5254116c1bf972c62fb024a466.tar.gz
NFC: st21nfca: Improve read length sequence for P2P mode.
A DEP_RES with a SUPERVISOR PDU can be up to 16 bytes long. In order to avoid useless read during p2p, extend first read sequence to 16 and reduce third sequence to 12 to keep same total on the full sequence. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc/st21nfca')
-rw-r--r--drivers/nfc/st21nfca/i2c.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 70564b3..ff31939 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -93,7 +93,7 @@ struct st21nfca_i2c_phy {
int hard_fault;
struct mutex phy_lock;
};
-static u8 len_seq[] = { 13, 24, 15, 29 };
+static u8 len_seq[] = { 16, 24, 12, 29 };
static u16 wait_tab[] = { 2, 3, 5, 15, 20, 40};
#define I2C_DUMP_SKB(info, skb) \
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