From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen-Yu Tsai Subject: [PATCH 04/12] ASoC: dapm: Introduce DAPM_DOUBLE_R dual channel dual register control type Date: Mon, 3 Oct 2016 19:07:56 +0800 Message-ID: <20161003110804.28235-5-wens@csie.org> References: <20161003110804.28235-1-wens@csie.org> Reply-To: wens-jdAy2FN1RRM@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org In-Reply-To: <20161003110804.28235-1-wens-jdAy2FN1RRM@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Rob Herring , Mark Rutland , Russell King , Maxime Ripard Cc: Chen-Yu Tsai , alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Id: devicetree@vger.kernel.org A DAPM_DOUBLE_R control type can be used for dual channel mixer input selectors / mute controls across 2 registers, possibly toggling both channels together. The control is meant to be shared by 2 widgets, 1 for each channel, such that the mixer control exposed to userspace remains a combined stereo control. Signed-off-by: Chen-Yu Tsai --- include/sound/soc-dapm.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index f74ec19687f8..a466f4bdc835 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -277,6 +277,11 @@ struct device; .info = snd_soc_info_volsw, \ .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ .private_value = SOC_DOUBLE_VALUE(reg, lshift, rshift, max, invert, 0) } +#define SOC_DAPM_DOUBLE_R(xname, lreg, rreg, shift, max, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_volsw, \ + .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ + .private_value = SOC_DOUBLE_R_VALUE(lreg, rreg, shift, max, invert) } #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ .info = snd_soc_info_volsw, \ -- 2.9.3