diff options
Diffstat (limited to 'sound')
-rw-r--r-- | sound/core/pcm_lib.c | 70 |
1 files changed, 26 insertions, 44 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 786f88145ee8..a21aa0050e4d 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c | |||
@@ -1163,12 +1163,6 @@ int snd_pcm_hw_constraint_pow2(struct snd_pcm_runtime *runtime, | |||
1163 | 1163 | ||
1164 | EXPORT_SYMBOL(snd_pcm_hw_constraint_pow2); | 1164 | EXPORT_SYMBOL(snd_pcm_hw_constraint_pow2); |
1165 | 1165 | ||
1166 | /* To use the same code we have in alsa-lib */ | ||
1167 | #define assert(i) snd_assert((i), return -EINVAL) | ||
1168 | #ifndef INT_MIN | ||
1169 | #define INT_MIN ((int)((unsigned int)INT_MAX+1)) | ||
1170 | #endif | ||
1171 | |||
1172 | static void _snd_pcm_hw_param_any(struct snd_pcm_hw_params *params, | 1166 | static void _snd_pcm_hw_param_any(struct snd_pcm_hw_params *params, |
1173 | snd_pcm_hw_param_t var) | 1167 | snd_pcm_hw_param_t var) |
1174 | { | 1168 | { |
@@ -1228,7 +1222,6 @@ int snd_pcm_hw_param_value(const struct snd_pcm_hw_params *params, | |||
1228 | *dir = i->openmin; | 1222 | *dir = i->openmin; |
1229 | return snd_interval_value(i); | 1223 | return snd_interval_value(i); |
1230 | } | 1224 | } |
1231 | assert(0); | ||
1232 | return -EINVAL; | 1225 | return -EINVAL; |
1233 | } | 1226 | } |
1234 | 1227 | ||
@@ -1260,10 +1253,8 @@ static int _snd_pcm_hw_param_first(struct snd_pcm_hw_params *params, | |||
1260 | changed = snd_mask_refine_first(hw_param_mask(params, var)); | 1253 | changed = snd_mask_refine_first(hw_param_mask(params, var)); |
1261 | else if (hw_is_interval(var)) | 1254 | else if (hw_is_interval(var)) |
1262 | changed = snd_interval_refine_first(hw_param_interval(params, var)); | 1255 | changed = snd_interval_refine_first(hw_param_interval(params, var)); |
1263 | else { | 1256 | else |
1264 | assert(0); | ||
1265 | return -EINVAL; | 1257 | return -EINVAL; |
1266 | } | ||
1267 | if (changed) { | 1258 | if (changed) { |
1268 | params->cmask |= 1 << var; | 1259 | params->cmask |= 1 << var; |
1269 | params->rmask |= 1 << var; | 1260 | params->rmask |= 1 << var; |
@@ -1292,7 +1283,7 @@ int snd_pcm_hw_param_first(struct snd_pcm_substream *pcm, | |||
1292 | return changed; | 1283 | return changed; |
1293 | if (params->rmask) { | 1284 | if (params->rmask) { |
1294 | int err = snd_pcm_hw_refine(pcm, params); | 1285 | int err = snd_pcm_hw_refine(pcm, params); |
1295 | assert(err >= 0); | 1286 | snd_assert(err >= 0, return err); |
1296 | } | 1287 | } |
1297 | return snd_pcm_hw_param_value(params, var, dir); | 1288 | return snd_pcm_hw_param_value(params, var, dir); |
1298 | } | 1289 | } |
@@ -1307,10 +1298,8 @@ static int _snd_pcm_hw_param_last(struct snd_pcm_hw_params *params, | |||
1307 | changed = snd_mask_refine_last(hw_param_mask(params, var)); | 1298 | changed = snd_mask_refine_last(hw_param_mask(params, var)); |
1308 | else if (hw_is_interval(var)) | 1299 | else if (hw_is_interval(var)) |
1309 | changed = snd_interval_refine_last(hw_param_interval(params, var)); | 1300 | changed = snd_interval_refine_last(hw_param_interval(params, var)); |
1310 | else { | 1301 | else |
1311 | assert(0); | ||
1312 | return -EINVAL; | 1302 | return -EINVAL; |
1313 | } | ||
1314 | if (changed) { | 1303 | if (changed) { |
1315 | params->cmask |= 1 << var; | 1304 | params->cmask |= 1 << var; |
1316 | params->rmask |= 1 << var; | 1305 | params->rmask |= 1 << var; |
@@ -1339,7 +1328,7 @@ int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm, | |||
1339 | return changed; | 1328 | return changed; |
1340 | if (params->rmask) { | 1329 | if (params->rmask) { |
1341 | int err = snd_pcm_hw_refine(pcm, params); | 1330 | int err = snd_pcm_hw_refine(pcm, params); |
1342 | assert(err >= 0); | 1331 | snd_assert(err >= 0, return err); |
1343 | } | 1332 | } |
1344 | return snd_pcm_hw_param_value(params, var, dir); | 1333 | return snd_pcm_hw_param_value(params, var, dir); |
1345 | } | 1334 | } |
@@ -1356,39 +1345,32 @@ EXPORT_SYMBOL(snd_pcm_hw_param_last); | |||
1356 | * first access, first format, first subformat, min channels, | 1345 | * first access, first format, first subformat, min channels, |
1357 | * min rate, min period time, max buffer size, min tick time | 1346 | * min rate, min period time, max buffer size, min tick time |
1358 | */ | 1347 | */ |
1359 | int snd_pcm_hw_params_choose(struct snd_pcm_substream *pcm, struct snd_pcm_hw_params *params) | 1348 | int snd_pcm_hw_params_choose(struct snd_pcm_substream *pcm, |
1360 | { | 1349 | struct snd_pcm_hw_params *params) |
1361 | int err; | 1350 | { |
1362 | 1351 | static int vars[] = { | |
1363 | err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_ACCESS, NULL); | 1352 | SNDRV_PCM_HW_PARAM_ACCESS, |
1364 | assert(err >= 0); | 1353 | SNDRV_PCM_HW_PARAM_FORMAT, |
1365 | 1354 | SNDRV_PCM_HW_PARAM_SUBFORMAT, | |
1366 | err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_FORMAT, NULL); | 1355 | SNDRV_PCM_HW_PARAM_CHANNELS, |
1367 | assert(err >= 0); | 1356 | SNDRV_PCM_HW_PARAM_RATE, |
1368 | 1357 | SNDRV_PCM_HW_PARAM_PERIOD_TIME, | |
1369 | err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_SUBFORMAT, NULL); | 1358 | SNDRV_PCM_HW_PARAM_BUFFER_SIZE, |
1370 | assert(err >= 0); | 1359 | SNDRV_PCM_HW_PARAM_TICK_TIME, |
1371 | 1360 | -1 | |
1372 | err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_CHANNELS, NULL); | 1361 | }; |
1373 | assert(err >= 0); | 1362 | int err, *v; |
1374 | |||
1375 | err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_RATE, NULL); | ||
1376 | assert(err >= 0); | ||
1377 | |||
1378 | err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_PERIOD_TIME, NULL); | ||
1379 | assert(err >= 0); | ||
1380 | |||
1381 | err = snd_pcm_hw_param_last(pcm, params, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, NULL); | ||
1382 | assert(err >= 0); | ||
1383 | |||
1384 | err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_TICK_TIME, NULL); | ||
1385 | assert(err >= 0); | ||
1386 | 1363 | ||
1364 | for (v = vars; *v != -1; v++) { | ||
1365 | if (*v != SNDRV_PCM_HW_PARAM_BUFFER_SIZE) | ||
1366 | err = snd_pcm_hw_param_first(pcm, params, *v, NULL); | ||
1367 | else | ||
1368 | err = snd_pcm_hw_param_last(pcm, params, *v, NULL); | ||
1369 | snd_assert(err >= 0, return err); | ||
1370 | } | ||
1387 | return 0; | 1371 | return 0; |
1388 | } | 1372 | } |
1389 | 1373 | ||
1390 | #undef assert | ||
1391 | |||
1392 | static int snd_pcm_lib_ioctl_reset(struct snd_pcm_substream *substream, | 1374 | static int snd_pcm_lib_ioctl_reset(struct snd_pcm_substream *substream, |
1393 | void *arg) | 1375 | void *arg) |
1394 | { | 1376 | { |