From: Uwe Hermann Date: Sun, 11 Nov 2012 12:17:44 +0000 (+0100) Subject: alsa: Use message logging helpers. X-Git-Tag: dsupstream~555 X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=472bbb464bf9522ed757826ec590aaf8bab087b5;p=libsigrok.git alsa: Use message logging helpers. --- diff --git a/hardware/alsa/alsa.c b/hardware/alsa/alsa.c index 2dca5c33..897e644d 100644 --- a/hardware/alsa/alsa.c +++ b/hardware/alsa/alsa.c @@ -27,6 +27,15 @@ #include "libsigrok.h" #include "libsigrok-internal.h" +/* Message logging helpers with driver-specific prefix string. */ +#define DRIVER_LOG_DOMAIN "alsa: " +#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args) +#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args) +#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args) +#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args) +#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args) +#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args) + #define NUM_PROBES 2 #define SAMPLE_WIDTH 16 #define AUDIO_DEV "plughw:0,0" @@ -74,12 +83,12 @@ static int hw_init(const char *devinfo) (void)devinfo; if (!(ctx = g_try_malloc0(sizeof(struct context)))) { - sr_err("alsa: %s: ctx malloc failed", __func__); + sr_err("%s: ctx malloc failed", __func__); return SR_ERR_MALLOC; } if (!(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, "alsa", NULL, NULL))) { - sr_err("alsa: %s: sdi was NULL", __func__); + sr_err("%s: sdi was NULL", __func__); goto free_ctx; } @@ -107,22 +116,22 @@ static int hw_dev_open(int dev_index) ret = snd_pcm_open(&ctx->capture_handle, AUDIO_DEV, SND_PCM_STREAM_CAPTURE, 0); if (ret < 0) { - sr_err("alsa: can't open audio device %s (%s)", AUDIO_DEV, + sr_err("Can't open audio device %s (%s).", AUDIO_DEV, snd_strerror(ret)); return SR_ERR; } ret = snd_pcm_hw_params_malloc(&ctx->hw_params); if (ret < 0) { - sr_err("alsa: can't allocate hardware parameter structure (%s)", + sr_err("Can't allocate hardware parameter structure (%s).", snd_strerror(ret)); return SR_ERR_MALLOC; } ret = snd_pcm_hw_params_any(ctx->capture_handle, ctx->hw_params); if (ret < 0) { - sr_err("alsa: can't initialize hardware parameter structure " - "(%s)", snd_strerror(ret)); + sr_err("Can't initialize hardware parameter structure (%s)", + snd_strerror(ret)); return SR_ERR; } @@ -135,12 +144,12 @@ static int hw_dev_close(int dev_index) struct context *ctx; if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { - sr_err("alsa: %s: sdi was NULL", __func__); + sr_err("%s: sdi was NULL", __func__); return SR_ERR_BUG; } if (!(ctx = sdi->priv)) { - sr_err("alsa: %s: sdi->priv was NULL", __func__); + sr_err("%s: sdi->priv was NULL", __func__); return SR_ERR_BUG; } @@ -158,7 +167,7 @@ static int hw_cleanup(void) struct sr_dev_inst *sdi; if (!(sdi = sr_dev_inst_get(dev_insts, 0))) { - sr_err("alsa: %s: sdi was NULL", __func__); + sr_err("%s: sdi was NULL", __func__); return SR_ERR_BUG; } @@ -200,8 +209,7 @@ static const void *hw_dev_info_get(int dev_index, int dev_info_id) static int hw_dev_status_get(int dev_index) { - /* Avoid compiler warnings. */ - dev_index = dev_index; + (void)dev_index; return SR_ST_ACTIVE; } @@ -254,12 +262,12 @@ static int receive_data(int fd, int revents, void *cb_data) count = snd_pcm_readi(ctx->capture_handle, inb, MIN(4096 / 4, ctx->limit_samples)); if (count < 1) { - sr_err("alsa: Failed to read samples"); + sr_err("Failed to read samples"); return FALSE; } if (!(outb = g_try_malloc(sample_size * count))) { - sr_err("alsa: %s: outb malloc failed", __func__); + sr_err("%s: outb malloc failed", __func__); return FALSE; } @@ -309,7 +317,7 @@ static int hw_dev_acquisition_start(int dev_index, void *cb_data) ret = snd_pcm_hw_params_set_access(ctx->capture_handle, ctx->hw_params, SND_PCM_ACCESS_RW_INTERLEAVED); if (ret < 0) { - sr_err("alsa: can't set access type (%s)", snd_strerror(ret)); + sr_err("Can't set access type (%s).", snd_strerror(ret)); return SR_ERR; } @@ -317,51 +325,51 @@ static int hw_dev_acquisition_start(int dev_index, void *cb_data) ret = snd_pcm_hw_params_set_format(ctx->capture_handle, ctx->hw_params, SND_PCM_FORMAT_S16_LE); if (ret < 0) { - sr_err("alsa: can't set sample format (%s)", snd_strerror(ret)); + sr_err("Can't set sample format (%s).", snd_strerror(ret)); return SR_ERR; } ret = snd_pcm_hw_params_set_rate_near(ctx->capture_handle, ctx->hw_params, (unsigned int *)&ctx->cur_rate, 0); if (ret < 0) { - sr_err("alsa: can't set sample rate (%s)", snd_strerror(ret)); + sr_err("Can't set sample rate (%s).", snd_strerror(ret)); return SR_ERR; } ret = snd_pcm_hw_params_set_channels(ctx->capture_handle, ctx->hw_params, NUM_PROBES); if (ret < 0) { - sr_err("alsa: can't set channel count (%s)", snd_strerror(ret)); + sr_err("Can't set channel count (%s).", snd_strerror(ret)); return SR_ERR; } ret = snd_pcm_hw_params(ctx->capture_handle, ctx->hw_params); if (ret < 0) { - sr_err("alsa: can't set parameters (%s)", snd_strerror(ret)); + sr_err("Can't set parameters (%s).", snd_strerror(ret)); return SR_ERR; } ret = snd_pcm_prepare(ctx->capture_handle); if (ret < 0) { - sr_err("alsa: can't prepare audio interface for use (%s)", + sr_err("Can't prepare audio interface for use (%s).", snd_strerror(ret)); return SR_ERR; } count = snd_pcm_poll_descriptors_count(ctx->capture_handle); if (count < 1) { - sr_err("alsa: Unable to obtain poll descriptors count"); + sr_err("Unable to obtain poll descriptors count."); return SR_ERR; } if (!(ufds = g_try_malloc(count * sizeof(struct pollfd)))) { - sr_err("alsa: %s: ufds malloc failed", __func__); + sr_err("%s: ufds malloc failed", __func__); return SR_ERR_MALLOC; } ret = snd_pcm_poll_descriptors(ctx->capture_handle, ufds, count); if (ret < 0) { - sr_err("alsa: Unable to obtain poll descriptors (%s)", + sr_err("Unable to obtain poll descriptors (%s)", snd_strerror(ret)); g_free(ufds); return SR_ERR;