From 26f61c0ddf0e191fdab5c15f00c4bf8f3544be6b Mon Sep 17 00:00:00 2001 From: Markus Elfring Date: Fri, 7 Oct 2016 17:30:40 -0300 Subject: [media] cx88-dsp: Add some spaces for better code readability Use space characters at some source code places according to the Linux coding style convention. Signed-off-by: Markus Elfring Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/pci/cx88/cx88-dsp.c | 40 +++++++++++++++++++-------------------- 1 file changed, 20 insertions(+), 20 deletions(-) (limited to 'drivers/media/pci') diff --git a/drivers/media/pci/cx88/cx88-dsp.c b/drivers/media/pci/cx88/cx88-dsp.c index 341e24432fab..33f3c58f8197 100644 --- a/drivers/media/pci/cx88/cx88-dsp.c +++ b/drivers/media/pci/cx88/cx88-dsp.c @@ -31,7 +31,7 @@ #define INT_PI ((s32)(3.141592653589 * 32768.0)) #define compat_remainder(a, b) \ - ((float)(((s32)((a)*100))%((s32)((b)*100)))/100.0) + ((float)(((s32)((a) * 100)) % ((s32)((b) * 100))) / 100.0) #define baseband_freq(carrier, srate, tone) ((s32)( \ (compat_remainder(carrier + tone, srate)) / srate * 2 * INT_PI)) @@ -82,15 +82,15 @@ static s32 int_cos(u32 x) if (period % 2) return -int_cos(x - INT_PI); x = x % INT_PI; - if (x > INT_PI/2) - return -int_cos(INT_PI/2 - (x % (INT_PI/2))); + if (x > INT_PI / 2) + return -int_cos(INT_PI / 2 - (x % (INT_PI / 2))); /* Now x is between 0 and INT_PI/2. * To calculate cos(x) we use it's Taylor polinom. */ - t2 = x*x/32768/2; - t4 = t2*x/32768*x/32768/3/4; - t6 = t4*x/32768*x/32768/5/6; - t8 = t6*x/32768*x/32768/7/8; - ret = 32768-t2+t4-t6+t8; + t2 = x * x / 32768 / 2; + t4 = t2 * x / 32768 * x / 32768 / 3 / 4; + t6 = t4 * x / 32768 * x / 32768 / 5 / 6; + t8 = t6 * x / 32768 * x / 32768 / 7 / 8; + ret = 32768 - t2 + t4 - t6 + t8; return ret; } @@ -100,14 +100,14 @@ static u32 int_goertzel(s16 x[], u32 N, u32 freq) * given frequency in the signal */ s32 s_prev = 0; s32 s_prev2 = 0; - s32 coeff = 2*int_cos(freq); + s32 coeff = 2 * int_cos(freq); u32 i; u64 tmp; u32 divisor; for (i = 0; i < N; i++) { - s32 s = x[i] + ((s64)coeff*s_prev/32768) - s_prev2; + s32 s = x[i] + ((s64)coeff * s_prev / 32768) - s_prev2; s_prev2 = s_prev; s_prev = s; } @@ -138,7 +138,7 @@ static u32 noise_magnitude(s16 x[], u32 N, u32 freq_start, u32 freq_end) if (N > 192) { /* The last 192 samples are enough for noise detection */ - x += (N-192); + x += (N - 192); N = 192; } @@ -196,8 +196,8 @@ static s32 detect_a2_a2m_eiaj(struct cx88_core *core, s16 x[], u32 N) if (core->tvaudio == WW_EIAJ) { /* EIAJ checks may need adjustments */ - if ((carrier > max(stereo, dual)*2) && - (carrier < max(stereo, dual)*6) && + if ((carrier > max(stereo, dual) * 2) && + (carrier < max(stereo, dual) * 6) && (carrier > 20 && carrier < 200) && (max(stereo, dual) > min(stereo, dual))) { /* For EIAJ the carrier is always present, @@ -205,11 +205,11 @@ static s32 detect_a2_a2m_eiaj(struct cx88_core *core, s16 x[], u32 N) return ret; } } else { - if ((carrier > max(stereo, dual)*2) && - (carrier < max(stereo, dual)*8) && + if ((carrier > max(stereo, dual) * 2) && + (carrier < max(stereo, dual) * 8) && (carrier > 20 && carrier < 200) && (noise < 10) && - (max(stereo, dual) > min(stereo, dual)*2)) { + (max(stereo, dual) > min(stereo, dual) * 2)) { return ret; } } @@ -234,9 +234,9 @@ static s16 *read_rds_samples(struct cx88_core *core, u32 *N) s16 *samples; unsigned int i; - unsigned int bpl = srch->fifo_size/AUD_RDS_LINES; - unsigned int spl = bpl/4; - unsigned int sample_count = spl*(AUD_RDS_LINES-1); + unsigned int bpl = srch->fifo_size / AUD_RDS_LINES; + unsigned int spl = bpl / 4; + unsigned int sample_count = spl * (AUD_RDS_LINES - 1); u32 current_address = cx_read(srch->ptr1_reg); u32 offset = (current_address - srch->fifo_start + bpl); @@ -252,7 +252,7 @@ static s16 *read_rds_samples(struct cx88_core *core, u32 *N) *N = sample_count; for (i = 0; i < sample_count; i++) { - offset = offset % (AUD_RDS_LINES*bpl); + offset = offset % (AUD_RDS_LINES * bpl); samples[i] = cx_read(srch->fifo_start + offset); offset += 4; } -- cgit v1.2.3