diff options
Diffstat (limited to 'Documentation/userspace-api/media/dvb/fe-read-snr.rst')
| -rw-r--r-- | Documentation/userspace-api/media/dvb/fe-read-snr.rst | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/Documentation/userspace-api/media/dvb/fe-read-snr.rst b/Documentation/userspace-api/media/dvb/fe-read-snr.rst index 141e4fc661c2..e44e559ab7e8 100644 --- a/Documentation/userspace-api/media/dvb/fe-read-snr.rst +++ b/Documentation/userspace-api/media/dvb/fe-read-snr.rst @@ -1,4 +1,5 @@ .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.fe .. _FE_READ_SNR: @@ -16,20 +17,19 @@ FE_READ_SNR Synopsis ======== -.. c:function:: int ioctl(int fd, FE_READ_SNR, int16_t *snr) - :name: FE_READ_SNR +.. c:macro:: FE_READ_SNR +``int ioctl(int fd, FE_READ_SNR, int16_t *snr)`` Arguments ========= ``fd`` - File descriptor returned by :c:func:`open() <dvb-fe-open>`. + File descriptor returned by :c:func:`open()`. ``snr`` The signal-to-noise ratio is stored into \*snr. - Description =========== @@ -37,7 +37,6 @@ This ioctl call returns the signal-to-noise ratio for the signal currently received by the front-end. For this command, read-only access to the device is sufficient. - Return Value ============ |