--- i810_audio.c.herbert	2004-05-11 12:36:05.674715334 -0400
+++ i810_audio.c	2004-05-11 12:41:50.101624990 -0400
@@ -2186,6 +2186,10 @@
 #if defined(DEBUG) || defined(DEBUG_MMAP)
 		printk("SNDCTL_DSP_SETTRIGGER 0x%x\n", val);
 #endif
+		if (!(file->f_mode & FMODE_READ ))
+			val &= ~PCM_ENABLE_INPUT;
+		if (!(file->f_mode & FMODE_WRITE ))
+			val &= ~PCM_ENABLE_OUTPUT;
 		if((file->f_mode & FMODE_READ) && !(val & PCM_ENABLE_INPUT) && dmabuf->enable == ADC_RUNNING) {
 			stop_adc(state);
 		}
@@ -2193,7 +2197,7 @@
 			stop_dac(state);
 		}
 		dmabuf->trigger = val;
-		if((file->f_mode & FMODE_WRITE) && (val & PCM_ENABLE_OUTPUT) && !(dmabuf->enable & DAC_RUNNING)) {
+		if((val & PCM_ENABLE_OUTPUT) && !(dmabuf->enable & DAC_RUNNING)) {
 			if (!dmabuf->write_channel) {
 				dmabuf->ready = 0;
 				dmabuf->write_channel = state->card->alloc_pcm_channel(state->card);
@@ -2214,7 +2218,7 @@
 			i810_update_lvi(state, 0);
 			start_dac(state);
 		}
-		if((file->f_mode & FMODE_READ) && (val & PCM_ENABLE_INPUT) && !(dmabuf->enable & ADC_RUNNING)) {
+		if((val & PCM_ENABLE_INPUT) && !(dmabuf->enable & ADC_RUNNING)) {
 			if (!dmabuf->read_channel) {
 				dmabuf->ready = 0;
 				dmabuf->read_channel = state->card->alloc_rec_pcm_channel(state->card);