From bf6f3d74c9594c3a684620d3d7418a73ee659288 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Sun, 5 Jan 2020 15:47:30 +0100 Subject: ALSA: riptide: More constifications Apply const prefix to each lbus path table definition and its callers. Just for minor optimization and no functional changes. Link: https://lore.kernel.org/r/20200105144823.29547-16-tiwai@suse.de Signed-off-by: Takashi Iwai --- sound/pci/riptide/riptide.c | 60 ++++++++++++++++++++++----------------------- 1 file changed, 30 insertions(+), 30 deletions(-) diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c index 625c85428955..b4f300281822 100644 --- a/sound/pci/riptide/riptide.c +++ b/sound/pci/riptide/riptide.c @@ -361,9 +361,9 @@ enum RT_CHANNEL_IDS { enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD }; struct lbuspath { - unsigned char *noconv; - unsigned char *stereo; - unsigned char *mono; + const unsigned char *noconv; + const unsigned char *stereo; + const unsigned char *mono; }; struct cmdport { @@ -464,7 +464,7 @@ struct sgd { /* scatter gather desriptor */ struct pcmhw { /* pcm descriptor */ struct lbuspath paths; - unsigned char *lbuspath; + const unsigned char *lbuspath; unsigned char source; unsigned char intdec[2]; unsigned char mixer; @@ -517,7 +517,7 @@ MODULE_DEVICE_TABLE(pci, snd_riptide_ids); /* */ -static unsigned char lbusin2out[E2SINK_MAX + 1][2] = { +static const unsigned char lbusin2out[E2SINK_MAX + 1][2] = { {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT, @@ -557,63 +557,63 @@ static unsigned char lbusin2out[E2SINK_MAX + 1][2] = { LS_NONE2}, }; -static unsigned char lbus_play_opl3[] = { +static const unsigned char lbus_play_opl3[] = { DIGITAL_MIXER_IN0 + FM_MIXER, 0xff }; -static unsigned char lbus_play_modem[] = { +static const unsigned char lbus_play_modem[] = { DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff }; -static unsigned char lbus_play_i2s[] = { +static const unsigned char lbus_play_i2s[] = { INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff }; -static unsigned char lbus_play_out[] = { +static const unsigned char lbus_play_out[] = { PDAC2ACLNK, 0xff }; -static unsigned char lbus_play_outhp[] = { +static const unsigned char lbus_play_outhp[] = { HNDSPK2ACLNK, 0xff }; -static unsigned char lbus_play_noconv1[] = { +static const unsigned char lbus_play_noconv1[] = { DIGITAL_MIXER_IN0, 0xff }; -static unsigned char lbus_play_stereo1[] = { +static const unsigned char lbus_play_stereo1[] = { INTER0_IN, DIGITAL_MIXER_IN0, 0xff }; -static unsigned char lbus_play_mono1[] = { +static const unsigned char lbus_play_mono1[] = { INTERM0_IN, DIGITAL_MIXER_IN0, 0xff }; -static unsigned char lbus_play_noconv2[] = { +static const unsigned char lbus_play_noconv2[] = { DIGITAL_MIXER_IN1, 0xff }; -static unsigned char lbus_play_stereo2[] = { +static const unsigned char lbus_play_stereo2[] = { INTER1_IN, DIGITAL_MIXER_IN1, 0xff }; -static unsigned char lbus_play_mono2[] = { +static const unsigned char lbus_play_mono2[] = { INTERM1_IN, DIGITAL_MIXER_IN1, 0xff }; -static unsigned char lbus_play_noconv3[] = { +static const unsigned char lbus_play_noconv3[] = { DIGITAL_MIXER_IN2, 0xff }; -static unsigned char lbus_play_stereo3[] = { +static const unsigned char lbus_play_stereo3[] = { INTER2_IN, DIGITAL_MIXER_IN2, 0xff }; -static unsigned char lbus_play_mono3[] = { +static const unsigned char lbus_play_mono3[] = { INTERM2_IN, DIGITAL_MIXER_IN2, 0xff }; -static unsigned char lbus_rec_noconv1[] = { +static const unsigned char lbus_rec_noconv1[] = { LBUS2ARM_FIFO5, 0xff }; -static unsigned char lbus_rec_stereo1[] = { +static const unsigned char lbus_rec_stereo1[] = { DECIM0_IN, LBUS2ARM_FIFO5, 0xff }; -static unsigned char lbus_rec_mono1[] = { +static const unsigned char lbus_rec_mono1[] = { DECIMM3_IN, LBUS2ARM_FIFO5, 0xff }; -static unsigned char play_ids[] = { 4, 1, 2, }; -static unsigned char play_sources[] = { +static const unsigned char play_ids[] = { 4, 1, 2, }; +static const unsigned char play_sources[] = { ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, }; -static struct lbuspath lbus_play_paths[] = { +static const struct lbuspath lbus_play_paths[] = { { .noconv = lbus_play_noconv1, .stereo = lbus_play_stereo1, @@ -737,7 +737,7 @@ static int loadfirmware(struct cmdif *cif, const unsigned char *img, static void alloclbuspath(struct cmdif *cif, unsigned char source, - unsigned char *path, unsigned char *mixer, unsigned char *s) + const unsigned char *path, unsigned char *mixer, unsigned char *s) { while (*path != 0xff) { unsigned char sink, type; @@ -765,7 +765,7 @@ alloclbuspath(struct cmdif *cif, unsigned char source, } } if (*path++ & SPLIT_PATH) { - unsigned char *npath = path; + const unsigned char *npath = path; while (*npath != 0xff) npath++; @@ -775,7 +775,7 @@ alloclbuspath(struct cmdif *cif, unsigned char source, } static void -freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path) +freelbuspath(struct cmdif *cif, unsigned char source, const unsigned char *path) { while (*path != 0xff) { unsigned char sink; @@ -787,7 +787,7 @@ freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path) source = lbusin2out[sink][0]; } if (*path++ & SPLIT_PATH) { - unsigned char *npath = path; + const unsigned char *npath = path; while (*npath != 0xff) npath++; @@ -1441,7 +1441,7 @@ static int snd_riptide_prepare(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct pcmhw *data = get_pcmhwdev(substream); struct cmdif *cif = chip->cif; - unsigned char *lbuspath = NULL; + const unsigned char *lbuspath = NULL; unsigned int rate, channels; int err = 0; snd_pcm_format_t format; -- cgit v1.2.3