diff options
| author | Mark A. Greer <mgreer@animalcreek.com> | 2014-09-03 02:12:41 +0400 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2014-09-08 01:13:45 +0400 |
| commit | 7149d6bfecadc255e9d964782a9fdd70f610f1ea (patch) | |
| tree | 9122f9fefd2f99bde833b7ad8066033e6177229a /drivers/nfc | |
| parent | cfc708dbe4022324bcd2bcb5817dd29f1f91299d (diff) | |
| download | linux-7149d6bfecadc255e9d964782a9fdd70f610f1ea.tar.xz | |
NFC: trf7970a: trf7970a_init() turns off the RF transmitter
When trf7970a_init() initializes the trf7970a it
implicitly turns off the RF transmitter. Track
this by clearing the TRF7970A_CHIP_STATUS_RF_ON
bit in the cached trf->chip_status_ctrl.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc')
| -rw-r--r-- | drivers/nfc/trf7970a.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index 429146b7e6d8..ab6e276be6a6 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -826,6 +826,8 @@ static int trf7970a_init(struct trf7970a *trf) usleep_range(1000, 2000); + trf->chip_status_ctrl &= ~TRF7970A_CHIP_STATUS_RF_ON; + ret = trf7970a_write(trf, TRF7970A_MODULATOR_SYS_CLK_CTRL, 0); if (ret) goto err_out; |