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-rw-r--r--drivers/nfc/trf7970a.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c
index 90ec2ad35932..352aaab807b6 100644
--- a/drivers/nfc/trf7970a.c
+++ b/drivers/nfc/trf7970a.c
@@ -338,6 +338,7 @@ struct trf7970a {
void *cb_arg;
u8 iso_ctrl;
u8 iso_ctrl_tech;
+ u8 modulator_sys_clk_ctrl;
u8 special_fcn_reg1;
int technology;
int framing;
@@ -887,9 +888,11 @@ static int trf7970a_config_rf_tech(struct trf7970a *trf, int tech)
switch (tech) {
case NFC_DIGITAL_RF_TECH_106A:
trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_14443A_106;
+ trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_DEPTH_OOK;
break;
case NFC_DIGITAL_RF_TECH_ISO15693:
trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_15693_SGL_1OF4_2648;
+ trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_DEPTH_OOK;
break;
default:
dev_dbg(trf->dev, "Unsupported rf technology: %d\n", tech);
@@ -940,7 +943,7 @@ static int trf7970a_config_framing(struct trf7970a *trf, int framing)
trf->iso_ctrl = iso_ctrl;
ret = trf7970a_write(trf, TRF7970A_MODULATOR_SYS_CLK_CTRL,
- TRF7970A_MODULATOR_DEPTH_OOK);
+ trf->modulator_sys_clk_ctrl);
if (ret)
return ret;
}
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