ALSA: emu10k1: hide absent 2nd pointer-offset register set from /proc

The 2nd register set belongs to the P16V chip (or embedded P17V module),
so there is nothing to show when no such part is present. Gen2 E-MU
cards have a P17V, but it's entirely unused, so we hide it there as
well.

Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230526101659.437969-2-oswald.buddenhagen@gmx.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c
index 89ea3ad..6cf4a7e 100644 (file)
--- a/sound/pci/emu10k1/emuproc.c
+++ b/sound/pci/emu10k1/emuproc.c
@@ -561,15 +561,19 @@ int snd_emu10k1_proc_init(struct snd_emu10k1 *emu)
        snd_card_rw_proc_new(emu->card, "ptr_regs00b", emu,
                             snd_emu_proc_ptr_reg_read00b,
                             snd_emu_proc_ptr_reg_write00);
-       snd_card_rw_proc_new(emu->card, "ptr_regs20a", emu,
-                            snd_emu_proc_ptr_reg_read20a,
-                            snd_emu_proc_ptr_reg_write20);
-       snd_card_rw_proc_new(emu->card, "ptr_regs20b", emu,
-                            snd_emu_proc_ptr_reg_read20b,
-                            snd_emu_proc_ptr_reg_write20);
-       snd_card_rw_proc_new(emu->card, "ptr_regs20c", emu,
-                            snd_emu_proc_ptr_reg_read20c,
-                            snd_emu_proc_ptr_reg_write20);
+       if (!emu->card_capabilities->emu_model &&
+           (emu->card_capabilities->ca0151_chip || emu->card_capabilities->ca0108_chip)) {
+               snd_card_rw_proc_new(emu->card, "ptr_regs20a", emu,
+                                    snd_emu_proc_ptr_reg_read20a,
+                                    snd_emu_proc_ptr_reg_write20);
+               snd_card_rw_proc_new(emu->card, "ptr_regs20b", emu,
+                                    snd_emu_proc_ptr_reg_read20b,
+                                    snd_emu_proc_ptr_reg_write20);
+               if (emu->card_capabilities->ca0108_chip)
+                       snd_card_rw_proc_new(emu->card, "ptr_regs20c", emu,
+                                            snd_emu_proc_ptr_reg_read20c,
+                                            snd_emu_proc_ptr_reg_write20);
+       }
 #endif
        
        snd_card_ro_proc_new(emu->card, "emu10k1", emu, snd_emu10k1_proc_read);