[PATCH v3 1/4] media: visl,vidtv: Set parameters permissions to 0444

Detlev Casanova
2023-11-23T20:04:47Z

This avoids confusion with default values and lets userspace
programs get the modules parameters values at run time.

This can be useful when setting up a test suite.

Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
---
.../media/test-drivers/vidtv/vidtv_bridge.c | 20 +++++++++----------
drivers/media/test-drivers/visl/visl-core.c | 10 +++++-----
2 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/media/test-drivers/vidtv/vidtv_bridge.c b/drivers/media/test-drivers/vidtv/vidtv_bridge.c
index 8b04e12af286..5dd7b1b4f7f1 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_bridge.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_bridge.c
@@ -45,21 +45,21 @@
#define LNB_HIGH_FREQ 10600000 /* transition frequency */

static unsigned int drop_tslock_prob_on_low_snr;
-module_param(drop_tslock_prob_on_low_snr, uint, 0);
+module_param(drop_tslock_prob_on_low_snr, uint, 0444);
MODULE_PARM_DESC(drop_tslock_prob_on_low_snr,
"Probability of losing the TS lock if the signal quality is bad");

static unsigned int recover_tslock_prob_on_good_snr;
-module_param(recover_tslock_prob_on_good_snr, uint, 0);
+module_param(recover_tslock_prob_on_good_snr, uint, 0444);
MODULE_PARM_DESC(recover_tslock_prob_on_good_snr,
"Probability recovering the TS lock when the signal improves");

static unsigned int mock_power_up_delay_msec;
-module_param(mock_power_up_delay_msec, uint, 0);
+module_param(mock_power_up_delay_msec, uint, 0444);
MODULE_PARM_DESC(mock_power_up_delay_msec, "Simulate a power up delay");

static unsigned int mock_tune_delay_msec;
-module_param(mock_tune_delay_msec, uint, 0);
+module_param(mock_tune_delay_msec, uint, 0444);
MODULE_PARM_DESC(mock_tune_delay_msec, "Simulate a tune delay");

static unsigned int vidtv_valid_dvb_t_freqs[NUM_VALID_TUNER_FREQS] = {
@@ -86,7 +86,7 @@ MODULE_PARM_DESC(vidtv_valid_dvb_s_freqs,
"Valid DVB-S/S2 frequencies to simulate at Ku-Band, in kHz");

static unsigned int max_frequency_shift_hz;
-module_param(max_frequency_shift_hz, uint, 0);
+module_param(max_frequency_shift_hz, uint, 0444);
MODULE_PARM_DESC(max_frequency_shift_hz,
"Maximum shift in HZ allowed when tuning in a channel");

@@ -96,24 +96,24 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nums);
* Influences the signal acquisition time. See ISO/IEC 13818-1 : 2000. p. 113.
*/
static unsigned int si_period_msec = 40;
-module_param(si_period_msec, uint, 0);
+module_param(si_period_msec, uint, 0444);
MODULE_PARM_DESC(si_period_msec, "How often to send SI packets. Default: 40ms");

static unsigned int pcr_period_msec = 40;
-module_param(pcr_period_msec, uint, 0);
+module_param(pcr_period_msec, uint, 0444);
MODULE_PARM_DESC(pcr_period_msec,
"How often to send PCR packets. Default: 40ms");

static unsigned int mux_rate_kbytes_sec = 4096;
-module_param(mux_rate_kbytes_sec, uint, 0);
+module_param(mux_rate_kbytes_sec, uint, 0444);
MODULE_PARM_DESC(mux_rate_kbytes_sec, "Mux rate: will pad stream if below");

static unsigned int pcr_pid = 0x200;
-module_param(pcr_pid, uint, 0);
+module_param(pcr_pid, uint, 0444);
MODULE_PARM_DESC(pcr_pid, "PCR PID for all channels: defaults to 0x200");

static unsigned int mux_buf_sz_pkts;
-module_param(mux_buf_sz_pkts, uint, 0);
+module_param(mux_buf_sz_pkts, uint, 0444);
MODULE_PARM_DESC(mux_buf_sz_pkts,
"Size for the internal mux buffer in multiples of 188 bytes");

diff --git a/drivers/media/test-drivers/visl/visl-core.c b/drivers/media/test-drivers/visl/visl-core.c
index 9970dc739ca5..ef89eead6671 100644
--- a/drivers/media/test-drivers/visl/visl-core.c
+++ b/drivers/media/test-drivers/visl/visl-core.c
@@ -64,27 +64,27 @@ MODULE_PARM_DESC(visl_transtime_ms, " simulated process time in milliseconds.");
* particular number of frames
*/
int visl_dprintk_frame_start = -1;
-module_param(visl_dprintk_frame_start, int, 0);
+module_param(visl_dprintk_frame_start, int, 0444);
MODULE_PARM_DESC(visl_dprintk_frame_start,
" a frame number to start tracing with dprintk");

unsigned int visl_dprintk_nframes;
-module_param(visl_dprintk_nframes, uint, 0);
+module_param(visl_dprintk_nframes, uint, 0444);
MODULE_PARM_DESC(visl_dprintk_nframes,
" the number of frames to trace with dprintk");

bool keep_bitstream_buffers;
-module_param(keep_bitstream_buffers, bool, false);
+module_param(keep_bitstream_buffers, bool, 0444);
MODULE_PARM_DESC(keep_bitstream_buffers,
" keep bitstream buffers in debugfs after streaming is stopped");

int bitstream_trace_frame_start = -1;
-module_param(bitstream_trace_frame_start, int, 0);
+module_param(bitstream_trace_frame_start, int, 0444);
MODULE_PARM_DESC(bitstream_trace_frame_start,
" a frame number to start dumping the bitstream through debugfs");

unsigned int bitstream_trace_nframes;
-module_param(bitstream_trace_nframes, uint, 0);
+module_param(bitstream_trace_nframes, uint, 0444);
MODULE_PARM_DESC(bitstream_trace_nframes,
" the number of frames to dump the bitstream through debugfs");

--
2.41.0