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| author |   Markus Theil <theil.markus@gmail.com> | 2025-02-11 07:33:31 +0100 |
|---|---|---|
| committer |   Jason A. Donenfeld <Jason@zx2c4.com> | 2025-06-10 11:30:40 -0600 |
| commit | 8689ff9c09c86df8fed00d3fd49a0a730887aea1 (patch) | |
| tree | 572d74ddbe7d920f9142709b4cbf73384e68011b /drivers | |
| parent | random: add missing words in function comments (diff) | |
| download | linux-rng-8689ff9c09c86df8fed00d3fd49a0a730887aea1.tar.xz linux-rng-8689ff9c09c86df8fed00d3fd49a0a730887aea1.zip | |
media: vivid: use prandom
This is part of a prandom cleanup, which removes
next_pseudo_random32 and replaces it with the standard PRNG.
Signed-off-by: Markus Theil <theil.markus@gmail.com>
Reviewed-by: Krzysztof Karas <krzysztof.karas@intel.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/test-drivers/vivid/vivid-vid-cap.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/media/test-drivers/vivid/vivid-vid-cap.c index 84e9155b5815..65f7ed16ae46 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c @@ -302,8 +302,10 @@ void vivid_update_quality(struct vivid_dev *dev) */ freq_modulus = (dev->tv_freq - 676 /* (43.25-1) * 16 */) % (6 * 16); if (freq_modulus > 2 * 16) { + struct rnd_state prng; + prandom_seed_state(&prng, dev->tv_freq ^ 0x55); tpg_s_quality(&dev->tpg, TPG_QUAL_NOISE, - next_pseudo_random32(dev->tv_freq ^ 0x55) & 0x3f); + prandom_u32_state(&prng) & 0x3f); return; } if (freq_modulus < 12 /*0.75 * 16*/ || freq_modulus > 20 /*1.25 * 16*/) |